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MOD B Week 4 - The Senses
Chapter 25 Book Terms
51
Medical
Undergraduate 1
04/12/2014

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Term
____, commonly known nearsightedness, is a defect in vision so that objects can only be seen when very near. The opposite of this is ____, or farsightedness.
Definition
Myopia, hyperopia
Term
____ is a condition known commonly as lazy eye.
Definition
Amblyopia
Term
Sound waves vibrate the membrane and the ____ (hammer) attached to it's inner surface. This in turn "strikes" the ____ (anvil), which moves the ____ (stirrups).
Definition
Malleus (hammer)
Incus (anvil)
Stapes (stirrups)
Term
The middle ear is connected to the throat via the ____ tubes.
Definition
Eustachian tubes
Term
The gradual loss of hearing that occurs normally as part of the aging process is known as ____.
Definition
Presbyopia
Term
____ causes pain and hearing loss; two types include externa and media.
Definition
Otitis
Term
The most common cause of conductive deafness is ____.
Definition
Presbycusis
Term
What are the five senses of the human body?
Definition
Sight, sound, taste, smell, and touch.
Term
What is the pathway of light through the eye?
Definition
Cornea, aqueous humor, pupil, lens, vitreous humor, and retina.
Term
____ (anterior) humor is a salty, clear watery fluid that circulates between the chambers.
Definition
Aqueous humor
Term
____ humor is a thick, jellylike substance, and fills the cavity behind the lens.
Definition
Vitreous
Term
____ ____ is a reaction to airborne allergens.
Definition
Allergic rhinitis
Term
____ polyps are benign growths on either side of the inside of the nose.
Definition
Nasal
Term
What are the 7 senses perceived by the body?
Definition
Touch, pain, heat, cold, pressure, traction, and tickle.
Term
A scratch from foreign bodies or injury to the cornea is known as ____ abrasion.
Definition
Corneal
Term
Red-rimmed, crusted eyelids with scales, itching, and burning is known as ____.
Definition
Blepharitis
Term
Aching, loss of peripheral vision, visual halos around lights is known as ____.
Definition
Glaucoma
Term
Visual deviation of the eyeball, blurred or double vision is known as ____.
Definition
Strabismus
Term
Drooping of the upper eyelid is known as ____.
Definition
Ptosis
Term
Inward turning of one eye with blurred vision is known as ____.
Definition
Amblyopia
Term
Redness, pain, and occasional discharge caused by an infectious microbe is known as ____.
Definition
Conjunctivitis
Term
Painless, gradual visual blurring, and loss of vision is known as ____.
Definition
Cataract
Term
Pain, especially on blinking; excessive tearing; exudate; irregular cornea; blurred vision is known as ____ ulcers.
Definition
Corneal
Term
Red, painful swelling of gland of the eyelid is known as ____.
Definition
Hordoleum
Term
Inability to accommodate for near vision is known as ____.
Definition
Presbyopia
Term
Visual floating spots, light flashes, and gradual vision loss is known as ____ retina.
Definition
Detached
Term
Glare, blurred vision, reduced visual acuity; eventual blindness is known as ____ retinopathy.
Definition
Diabetic
Term
A thin grayish-white circle at edge of cornea is known as ____ senilis.
Definition
Arcus
Term
Gradual loss of central vision is known as ___-____ macular degeneration. It is also the leading cause of blindness in the US.
Definition
Age-related
Term
Vision is blurred except close objects due to misshapen eyeball is known as ____.
Definition
Myopia
Term
____ disease symptoms include severe vertigo, tinnitus, nerve hearing loss, nausea, and vomiting.
Definition
Meniere's Disease
Term
____ externa is an infection in the auditory canal, pain, fever, and conduction hearing loss.
Definition
Otitis
Term
____ media is severe, deep, throbbing pain; fever, hearing loss; nausea and vomiting, dizziness, and bulging ear drum.
Definition
Otitis
Term
____ is slow, progressive conduction hearing loss.
Definition
Otosclerosis
Term
____ is the loss of ability to hear high-frequency sounds, tinnitus, and possible depression.
Definition
Presbycusis
Term
The eye works like a ____ and is protected by a bony ____ in the skull.
Definition
Camera, sockets
Term
The iris acts like a the ____ in a camera, and is the colored portion of the eye.
Definition
Aperture
Term
____ determines color.
Definition
Melanin
Term
The ____ is the transparent extension of the sclera in front of the pupil.
Definition
Cornea
Term
The ____ is the mucous membrane that lines the inner surface of the eyelids and causes sclera. It also protects the eye.
Definition
Conjunctiva
Term
The ____ is the inside layer of multilayered nervous tissue.
Definition
Retina
Term
____ are sensitive to colors, and function best in well-lit areas.
Definition
Cones
Term
____ are very sensitive to light and best in dark areas.
Definition
Rods
Term
A hordeolum is also known as a ____.
Definition
Stye
Term
The ear controls functions of ____ and ____.
Definition
Hearing and balance
Term
The ____ or auricle is the visible part of the ear that picks up vibration.
Definition
Pinna
Term
The ____ auditory canal is the canal from the outer ear to the tympanic membrane.
Definition
External
Term
The ____ membrane vibrates when sound hits it.
Definition
Tympanic
Term
____ bone vibrates from tympanic membrane, and in turn the ____ is struck by the malleus.
Definition
Malleus, incus
Term
The ____ is shaped like a snail's shell, and contains the organ of ____. This is the receptor for sound waves.
Definition
Cochlea, Corti
Term
There are three ____ canals that are responsible for for maintaining equilibrium.
Definition
Semicircular
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