Term
The ability of body systems to increase their function given the need to adapt is known as what? |
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Definition
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Term
What can ensure that the systems that are essential to adaptation function adequately? |
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Definition
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Term
two most common manifestations of an alteration in the sleep—wake cycle are? |
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Definition
insomnia sleep deprivation or increased somnolence |
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Term
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Definition
describes a personality characteristic that includes a sense of having control over the environment, a sense of having a purpose in life, an ability to conceptualize stressors as a challenge rather than a threat |
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Term
Core body temperature is maintained within a range of? |
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Definition
97.0 - 99.5 degrees Fahrenheit |
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Term
Properly protected, the body can function in environmental conditions that range from? |
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Definition
-58 degrees Fahrenheit to +122 degrees Fahrenheit |
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Term
What is the thermal control center of the body? |
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Definition
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Term
Core temperatures above________ or below ________usually mean that the body’s ability to thermoregulate has been impaired. |
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Definition
Above 105.8 degrees F Below 93.2 F |
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Term
Spinal cord injuries that transect the cord where, can seriously impair temperature regulation and why? |
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Definition
at T6 or above because the thermoregulatory centers in the hypothalamus can no longer control skin blood flow and sweating. |
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Term
The body contracts or dilates superficial blood vessels for heat loss? |
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Definition
Dilates the blood vessels |
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Term
What are the responses of the body to being over heated? |
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Definition
Superficial blood vessel dilation Sweating |
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Term
What neurotransmitters are released when the body needs an increase in body temperature, to shift body metabolism to heat production rather than energy generation? |
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Definition
Norepinephrine Epinephrine |
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Term
What is the difference between hyperthermia and fever? |
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Definition
Fever is due to an upward displacement of the thermostatic set-point Hyperthermia is where the set-point is unchanged, but the mechanisms that control body temperature are ineffective |
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Term
Phagocytic cells digest the bacterial products and then release what? |
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Definition
Pyrogenic cytokines: principally interleukin-1 (IL-1), interleukin-6 (IL-6), and tumor necrosis factor –alpha (TNF-alpha) |
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Term
What is considered to be the final fever mediator in the hypothalamus? |
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Definition
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Term
Prostaglandin E2 (PGE2) is a metabolite of what? |
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Definition
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Term
rhinoviruses responsible for the common cold are cultured best at what temp? Which is similar to the temperature where in the body? |
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Definition
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Term
intermittent fever is what? |
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Definition
One in which temperature returns to normal at least once every 24 hours |
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Term
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Definition
the temperature does not return to normal and varies a few degrees in either direction |
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Term
sustained or continuous fever is what? |
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Definition
the temperature remains above normal with minimal variations (usually less than 1 degree F) |
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Term
recurrent or relapsing fever is what? |
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Definition
one in which there is one or more episodes of fever, each as long as several days, with one or more days of normal temperature between episodes. |
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Term
Normally, a 1 degree F raise in temperature produces what increase in HR? |
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Definition
10 bpm increase in heart rate |
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Term
A heart rate that is slower than anticipated relative to the fever can occur with what disease? |
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Definition
Legionnaire’s disease Drug fever |
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Term
A heart rate that is more rapid than anticipated relative to the fever can be caused by what? |
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Definition
Hyperthyroidism Pulmonary embolism |
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Term
Fever of unknown origin (FUO) is defined as? |
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Definition
A temperature elevation 101 degrees F or higher that is present for 3 weeks or longer |
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Term
What are some causes of FUO? |
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Definition
Malignancy Drug fever HIV/TB, abscessed infections Cirrhosis Gallbladder disease (most common) |
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Term
What is the most common cause of FUO? |
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Definition
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Term
What are the levels of heat exhaustion, in order of severity? |
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Definition
Heat cramps Heat exhaustion Heat stroke |
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Term
Malignant hyperthermia describes a rare genetic disorder of? |
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Definition
anesthetic-related hyperthermia |
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Term
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Definition
The temperature that the body senses when both the temperature and humidity are combined. |
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Term
What is the rectal temp, usually, during heat exhaustion? |
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Definition
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Term
If the individual has water depleted heat exhaustion and is hypernatremic, rehydration needs to occur at a regulated rate to reduce what? |
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Definition
Development of iatrogenic cerebral edema |
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Term
The core body temp during a heat stroke is usually what? |
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Definition
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Term
What are 3 reasons infants or young children cannot lower body temp as quickly as adults? |
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Definition
lack sufficient body surface area to dissipate excess heat, have a lower rate of sweating, have a slower rate of acclimatization |
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Term
Tissue damage ensues when core temperature rises above? |
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Definition
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Term
The most common cause of drug fever is? |
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Definition
Hypersensitivity reaction |
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Term
How long must you be exposed to a medication before developing drug fever? Does it depend on the dose of the drug? |
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Definition
Several weeks It is not dose dependent |
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Term
Malignant hyperthermia is usually associated with what type of anesthetic agents? |
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Definition
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Term
Strenuous exercise lowers the production of what nonessential amino acid? |
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Definition
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Term
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Definition
Hypercoagulablility state Vessel injury Stasis of venous flow |
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Term
What two striated muscles provide for movement of the eyelids |
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Definition
Levator palpebrae superioris Orbicularis oculi |
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Term
levator palpebrae superioris, innervated by, what cranial nerve, serves to raise the upper lid? |
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Definition
Oculomotor nerve (CN III) |
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Term
orbicularis oculi muscle, which is supplied by what cranial nerve, closes the eyelids |
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Definition
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Term
What is delicate mucous membrane that lines the anterior surface of both eyelids |
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Definition
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Term
What is the main function of the conjunctiva? |
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Definition
its main function is the production of a lubricating mucus that bathes the eye and keeps it moist. |
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Term
A major part of the refraction (i.e. bending) of light rays and focusing of vision occurs in the what? |
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Definition
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Term
How does the cornea obtain nutrients? |
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Definition
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Term
Corneal epithelium is heavily innervated by what sensory neurons? |
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Definition
Trigeminal nerve (CN V), ophthalmic division (CN V1) |
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Term
The uveal tract is made up of what 3 sections? |
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Definition
Iris Ciliary body The choroid |
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Term
Changes in pupil size are controlled by what? |
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Definition
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Term
What is miosis? What nervous system produces this? |
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Definition
Pupillary constriction Parasympathetic |
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Term
What is mydriasis? What nervous system produces this? |
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Definition
Pupillary dilation Sympathetic |
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Term
Intraocular pressure is largely regulated by what? |
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Definition
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Term
aqueous humor is produced by what? |
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Definition
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Term
Aqueous humor leaves through the what? |
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Definition
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Term
Intraocular pressure maintained within a normal range of what? |
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Definition
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Term
What is the most common form of glaucoma? |
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Definition
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Term
What causes open-angle glaucoma? |
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Definition
Abnormality of the trabecular meshwork that controls the flow of aqueous humor into the canal of schlemm |
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Term
A lesion on the right optic nerve causes a vision loss on which side? |
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Definition
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Term
The external acoustic meatus is what shape? |
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Definition
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Term
The middle ear is connected anteriorly with the nasopharynx by what? |
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Definition
Eustachian tube, also called the pharyngotympanic tube |
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Term
What are the three tiny bones of the ear? |
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Definition
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Term
What are the 3 basic functions of the eustachian tube? |
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Definition
Ventilation of pressures Drainage of secretions of the nasopharynx Protection |
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Term
Receptors for hearing are contained in the what? |
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Definition
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Term
What are the receptive organs that generate nerve impulses in response to sound vibrations? |
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Definition
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Term
What is sense in the vestibular apparatus? |
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Definition
Acceleration and head position |
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Term
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Definition
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Term
What are the two types of neurons and what do they do? |
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Definition
Afferent (sensory neurons) - carry information to the CNS Efferent (motor neurons) - carry information from CNS to effector organs |
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Term
interneurons or internuncial neurons) do what? |
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Definition
modulate and control the body’s response to sensory input from the internal and external environments |
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Term
what produces the myelin? |
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Definition
oligodendrocytes in the CNS and Schwann cells in the PNS |
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Term
Myelin has a high_________content, which gives it what color? |
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Definition
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Term
In what pathologic conditions is the myelin degenerated or destroyed? |
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Definition
Multiple sclerosis in the CNS Guillain-Barre syndrome in the PNS |
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Term
nervous system appears in what developmental stage? |
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Definition
very early in the embryonic development |
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Term
What becomes functional approximately the second year of life, and it includes the pathways needed for bladder training? |
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Definition
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Term
The spinal cord terminates at where? |
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Definition
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Term
Dorsal horns contain what? |
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Definition
IA neurons that receive afferent impulses through the dorsal roots and other connecting neurons |
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Term
Ventral horns contain what? |
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Definition
OA neurons and the efferent LMNs that leave the cord thorough the ventral roots |
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Term
How many spinal nerves are at each section? Cervical, thoracic, lumbar, sarcral, coccygeal? |
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Definition
Cervical - 8 Thoracic - 12 Lumbar - 5 Sacrum - 5 Coccygeal - 2 |
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Term
The myostatic or stretch reflex does what? |
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Definition
Controls muscle tone and helps maintain posture |
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Term
All surfaces of the spinal cord, brain, and segmental nerves are convered with a delicate connective tissue layer called what? |
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Definition
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Term
A second, very delicate, nonvascular, and waterproof layer, called the what , encloses the entire CNS? |
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Definition
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Term
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Definition
In the subarachnoid space. |
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Term
Immediately outside the arachnoid is the continuous sheath of strong connective tissue,_______________ , which provides the major protection for the brain and spinal cord |
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Definition
The dura matter (i.e. “tough layer”) |
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Term
What two carriers, provide the means for maintaining the stable chemical environment of the brain? |
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Definition
Blood brain barrier and the CSF-brain barrier |
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Term
Only what enters the brain with relative ease? |
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Definition
water, carbon dioxide, and oxygen |
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Term
What division of the ANS is responsible for the Fight or Flight response? |
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Definition
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Term
What division of the ANS is responsible for conservation of energy and resource replenishment? |
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Definition
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Term
What is the neurotransmitter for the preganglionic neurons for both ANS divisions as well as the postganglionic neurons of the parasympathetic nervous system? |
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Definition
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Term
What are the neurotransmitters for most sympathetic post ganglionic neurons? |
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Definition
Norepinephrine and epinephrine |
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Term
Two types of cholinergic receptors are known as? |
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Definition
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Term
sweat glands are innervated by what nervous system? |
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Definition
the sympathetic nervous system. |
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Term
These receptors are found in the autonomic ganglia and the end plates of skeletal muscle? |
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Definition
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Term
Acetylcholine is excitatory to most muscarinic and nicotinic receptors, except those where? |
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Definition
in the heart and lower esophagus, where it has an inhibitory effect. |
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Term
The drug ___________ is an antimuscarinic or muscarinic cholinergic blocking drug that prevents the action of acetylcholine at excitatory and inhibitory muscarinic receptor sites. |
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Definition
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Term
vascular smooth muscle, excitation of alpha receptors causes vaso___________, and excitation of beta receptors causes vaso___________ |
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Definition
Vasoconstriction Vasodilation |
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Term
Beta receptors are most prevalent where? |
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Definition
Heart, the blood vessels of skeletal muscle, and the bronchioles |
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Term
Alpha 1 summary, where do they act, what do they do? |
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Definition
Peripheral vascular - constriction |
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Term
b-adrenergic receptors are found primarily where? |
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Definition
in the heart - increase HR |
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Term
Beta 2-adrenergic receptors are found where? |
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Definition
in the bronchioles, dilate Peripheral vasculature - dilate |
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Term
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Definition
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Term
________order neurons transmit sensory information from the periphery to the CNS |
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Definition
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Term
__________order neurons communicate with various reflex networks and sensory pathways in the spinal cord and travel directly to the thalamus |
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Definition
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Term
__________order neurons relay information from the thalamus to the cerebral cortex |
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Definition
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Term
Three families of endogenous opioid peptides have been identified, what are they? |
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Definition
enkephalins endorphins, dynophins |
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Term
This region of the brain is responsible for higher levels of thought, understanding, speaking, remembering, motor function, visualizing |
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Definition
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Term
Diencephalon is made up of what? |
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Definition
Thalamus, hypothalamus, epithalamus |
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Term
Brain stem is made up of what? Cranial nerves are intimately associated with this area. |
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Definition
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Term
This region of the brain is responsible for coordination? |
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Definition
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Term
What lobe of the brain deals with learning and language? |
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Definition
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Term
What lobe of the brain deals with integration of sensory information (shape, size, weight, texture, temperature = metal key)? |
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Definition
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Term
What lobe of the brain is responsible for hearing and equilibrium? |
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Definition
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Term
What lobe of the brain is responsible for vision? |
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Definition
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Term
What region of the brain is responsible for taste and autonomic functions? |
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Definition
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Term
Which hemisphere: logical, linear thinking and mathematical calculations, problem solving, language-motor and interpretive? |
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Definition
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Term
Which hemisphere: Spatial, three-dimensional function as in drawing, painting, especially recognizing faces. Musical ability as in playing musical instruments and singing? |
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Definition
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Term
Emotional tone added to language in which hemisphere? |
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Definition
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Term
What area controls the larynx, lips and tongue? |
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Definition
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Term
Patient may speak fluently although content may be unrelated to current conversation because they cannot understand spoken words, not even their own speech, what area has been injured? |
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Definition
Wernicke - Sensory aphasia |
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Term
Respiratory rhythm control centers, cardiac rate control centers, sleep/wakefulness cycling, is the main functions for what? |
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Definition
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Term
The hallmark of a brainstem lesion is what? |
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Definition
paralysis of one side of the head with paralysis of the contralateral side of the torso |
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Term
What inhibits unwanted movements? |
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Definition
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Term
Parkinson's Disease- degeneration of substantia nigra, because of what neurotransmitter deprivation? |
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Definition
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Term
loss of coordination, especially of rapid hand and finger movements, intention tremor, would come from damage to which tract? |
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Definition
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Term
lesion from which tract can result in nystagmus (oscillatory eye movements), vertigo (dizziness), ataxic (staggering) gait? |
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Definition
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Term
cerebellar lesions have what type of deficits? |
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Definition
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Term
cerebral hemisphere is connected via motor tracts to which side of the body |
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Definition
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Term
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Definition
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Term
CN II-XII emerge from where? |
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Definition
diencephalon and brain stem |
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Term
What matter contains Neuronal cell bodies and synapses |
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Definition
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Term
A LMN lesion would be ipsilateral or contralateral? |
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Definition
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Term
Which tract does not cross over? |
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Definition
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Term
Spinocerebellar lesion would affect which side |
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Definition
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Term
Which tract deals with Pain and temperature? |
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Definition
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Term
A lesion of the spinothalamic tract results in a loss of pain/temperature sensation to which side below level of lesion? |
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Definition
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Term
Where does the Posterior (Dorsal) Columns System cross? |
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Definition
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Term
Biceps and brachioradialis reflexes assess what nerves? |
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Definition
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Term
Triceps reflex assess what nerves? |
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Definition
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Term
Patellar reflex assess what nerves? |
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Definition
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Term
Achilles reflex assess what nerves? |
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Definition
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Term
Where does the Posterior (Dorsal) Columns System cross? |
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Definition
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Term
Biceps and brachioradialis reflexes assess what nerves? |
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Definition
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Term
Triceps reflex assess what nerves? |
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Definition
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Term
Patellar reflex assess what nerves? |
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Definition
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Term
Achilles reflex assess what nerves? |
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Definition
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Term
granular cells are the cells that secrete what hormone? |
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Definition
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Term
What reabsorbs about two thirds of the filtered water, sodium, and chloride. |
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Definition
proximal tubule (convoluted and straight portions) |
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Term
Cells of the cortical collecting tubule are strongly responsive to and are regulated by what hormones |
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Definition
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Term
A typical glomerular filtration rate (GFR) is what? mL/min |
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Definition
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Term
What factors determine GFR? |
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Definition
Permeability of glomerular capillary walls Net filtration pressure vascular pressure |
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Term
Typical glomerular pressures are near what? |
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Definition
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Term
peritubular pressures are closer to what? |
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Definition
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Term
When the 2 resistances both change in the same direction, the most common state of affairs, their effects on RBF will be what? |
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Definition
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Term
Constriction of the efferent arteriole _________ resistance to outflow from the glomeruli and ___________ the glomerular pressure and GFR. |
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Definition
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Term
Constriction of the afferent arteriole causes a __________ in the renal blood flow, glomerular filtration pressure, and GFR. |
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Definition
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Term
Angiotensin II ___________afferent and efferent arterioles and __________ RBF and GFR |
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Definition
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Term
The gold standard for measuring GFR is what? |
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Definition
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Term
What is the site of action of aldosterone (sodium reabsorption) and ADH (water reabsorption)? |
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Definition
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Term
The gold standard for measuring GFR is what? |
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Definition
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Term
What is the site of action of aldosterone (sodium reabsorption) and ADH (water reabsorption)? |
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Definition
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Term
Which nervous system promotes bladder emptying? |
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Definition
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Term
Which nervous system promotes bladder filling? |
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Definition
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Term
What is the muscle of micturition? |
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Definition
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Term
Reason females more likely to have urinary tract infections (UTI) is what? |
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Definition
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Term
Assessment of a patient's acid–base status requires measurement of what? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
High pH + High Bicarb = ? |
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Definition
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Term
Primary respiratory disorders affect blood acidity by changes in_________, and primary metabolic disorders are disturbances in __________ concentration |
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Definition
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Term
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Definition
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Term
What is the anion gap equation? |
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Definition
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Term
Male gonads have what function? |
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Definition
the production of germ cells (gametogenesis) the secretion of sex hormones |
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Term
secretion of testosterone is under the control of what? |
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Definition
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Term
testes are normally maintained at a temperature of about what? |
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Definition
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Term
Hereditary baldness often fails to develop unless what is present? |
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Definition
dihydrotestosterone (DHT) |
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Term
most potent naturally occurring estrogen in humans is what? |
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Definition
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Term
In postmenopausal women, the principal source of circulating estrogen is what? |
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Definition
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Term
What are the principal source of circulating estrogen premenopausal? |
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Definition
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Term
GnRH causes the release of what hormones? |
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Definition
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Term
Corpus luteum produces large amounts of what? |
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Definition
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Term
There is a narrow "window of implantation," spanning days ________of the endometrial cycle |
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Definition
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