Term
What hormone is suppressed less effectively in patients with ulcers? |
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Definition
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Term
What regulates growth hormone synthesis? |
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Definition
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Term
What regulates growth hormone secretion? |
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Definition
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Term
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Definition
an anti-angiogenesis factor |
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Term
What is the effect of passive rectal distension? |
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Definition
increases peristaltic waves and relaxes internal anal sphincter |
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Term
What anesthetic agent can cause nephrogenic diabetes insipidus? |
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Definition
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Term
What happens to the time spent in diastole as heart rate increases? |
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Definition
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Term
What receptor is both voltage and ligand-gated? |
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Definition
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Term
Where do carotid sinus afferents lead? |
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Definition
to CN IX, then to the nucleus of the solitary tract |
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Term
How does nitrous oxide cause an erection? |
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Definition
NO -> guanylate cyclase -> cGMP -> decrease in intracellular calcium -> smooth muscle relaxation |
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Term
What is used to test for a gastrinoma? |
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Definition
secretin (increases gastrin from a gastrinoma but not fromt he antrum) |
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Term
If the GFR is constant, what is the concentration of inulin in the urine dependent upon? |
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Definition
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Term
What cells make lysozyme? |
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Definition
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Term
What cells make peroxidase? |
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Definition
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Term
What senses tension on a muscle? |
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Definition
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Term
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Definition
K cells, in response to intraluminal glucose and fatty acids |
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Term
What molecule is used to (approximately) measure renal blood flow? |
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Definition
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Term
What senses slowly-adapting pressure? |
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Definition
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Term
What senses pressure and is quickly-adapting? |
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Definition
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Term
What hormone causes lower esophageal sphincter relaxation? |
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Definition
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Term
What phase of sleep is characterized by bursts of sawtooth waves? |
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Definition
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Term
From what nerve does the palmar cutaneous branch derive? |
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Definition
median nerve - this part doesn't pass through the carpal tunnel |
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Term
What two things do parietal cells secrete? |
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Definition
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Term
What percentage of total body weight is water? |
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Definition
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Term
When does the growth of spiral arteries occur? |
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Definition
first 13-14 days of the menstrual cycle |
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Term
What does it mean if the urinary sodium concentration is less than 20mEq/L? |
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Definition
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Term
What does it mean if the urinary sodium concentration is greater than 40mEq/L and there is oliguria? |
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Definition
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Term
What can inhibit the action of ADH on the collecting duct? |
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Definition
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Term
What is in plasma that is not in serum? |
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Definition
fibrinogen, factor II, factor V, factor VIII |
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Term
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Definition
I cells of duodenum and jejunum |
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Term
What happens to oxygen use as blood flow to the kidney increases? |
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Definition
increases because increased RPF leads to increased GFR, which means more work for the kidney |
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Term
What reaction does ACTH stimulate? |
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Definition
the conversion of cholesterol to pregnenolone (by cholesterol desmolase) |
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Term
What parts of the brain get sensory information from both ears? |
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Definition
inferior colliculus, lateral lemniscus, medial geniculate, superior olive |
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Term
What steroid is made in the zona glomerulosa? |
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Definition
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Term
What steroid is made in the zona fasiculata? |
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Definition
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Term
What steroid is made in the zona reticularis? |
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Definition
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Term
What molecule on platelets binds to vWF? |
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Definition
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Term
Where is acetylcholine made in the brain? |
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Definition
basal nucleus of Meynert, medial septum, diagonal band complex, striatum |
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Term
What's an average cardiac output? |
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Definition
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Term
What's a normal effective renal plasma flow? |
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Definition
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Term
What is the mean systemic filling pressure? |
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Definition
extent to which circulatory system is filled |
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Term
What does it mean for an insulator to have a larger space constant? |
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Definition
increased passive spread of electrical flow, which translates into a faster action potential for neurons |
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Term
What is the normal bone marrow myeloid:erythroid ratio? |
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Definition
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Term
What hormone is decreased in Addison's disease? |
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Definition
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Term
What regulates migrating myoelectric complexes in the intestines? |
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Definition
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Term
What can directly inhibit pancreatic insulin secretion? |
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Definition
alpha-2 receptor agonists |
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Term
What are GnRH, FSH, and LH levels post-menopause? |
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Definition
GnRH is high, LH is high, FSH is high, estrogen is low |
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Term
What binds tissue factor in the extrinsic pathway? |
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Definition
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Term
Is adeonsine a vasodilator or vasoconstrictor? |
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Definition
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Term
What transporter in the proximal tubule reabsorbs phosphate? |
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Definition
sodium-phosphate contransporter (resorbs 80%) |
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Term
What cross-links fibrin to form a stronger clot? |
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Definition
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Term
What primarily controls ventillation rate? |
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Definition
CO2 acting on central chemoreceptors |
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Term
What type of nerve are preganglionic autonomic fibers? |
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Definition
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Term
What type of nerve are postganglionic autonomic fibers? |
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Definition
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Term
What disease results from a defect in the neural network of the myenteric plexus? |
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Definition
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Term
What two agents can be used to measure total body water? |
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Definition
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Term
What hormone can increase urinary sodium excretion? |
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Definition
atrial natriuretic factor |
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Term
What hormone does ischemic renal tissue secrete a lot of? |
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Definition
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Term
What atrial wave occurs during isovolumentric relaxation? |
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Definition
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Term
What does erythropoietin stimulate? |
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Definition
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Term
What is the air remaining after a passive expiration called? |
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Definition
functional reserve capacity |
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Term
What two hormones are structurally related to glucagon? |
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Definition
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Term
Do levels of 2,3-BPG increase or decrease with decreased red blood cell glycolysis? |
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Definition
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Term
When does crossing over occur in spermatogenesis? |
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Definition
during prophase I, meiosis of the primary spermatocyte |
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Term
What hormone peaks at the end of the follicular phase? |
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Definition
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Term
How do you calculate MCV? |
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Definition
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Term
What happens to the absorption of urea in the collecting duct when ADH increases? |
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Definition
increases to maintain high concentration gradient |
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Term
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Definition
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