APMLE Recall Questions Physiology With Correct Answers
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Course
APMLE
Institution
APMLE
APMLE Recall Questions Physiology With
Correct Answers
1. What hormone is secreted by the zona glomerulosa of the adrenal gland Zona fasciculate Zona
reticularis - answerAdrenal medulla? Aldosterone, Glucocorticoids, Androgens,
Catecholamines
2. Where is erythropoietin made Hormone made to pro...
APMLE Recall Questions Physiology With
Correct Answers
1. What hormone is secreted by the zona glomerulosa of the adrenal gland Zona fasciculate Zona
reticularis - answer✔Adrenal medulla? Aldosterone, Glucocorticoids, Androgens,
Catecholamines
2. Where is erythropoietin made Hormone made to promote formation of RBC -
answer✔Kidney
3. What increases diffusion - answer✔Solubility
4. Comparison of pulmonary and systemic circulation - answer✔Blood flow volume is equal
5. What does aldosterone do - answer✔Increased reabsorption of Na+ and decreased secretion
of K+
6. What is the fastest conducting axon - answer✔Large myelinated
7. Which of the following require energy - answer✔Active transport
8. Which ion is a clotting factor - answer✔Calcium
9. Rapid repolarization is result of - answer✔K+ efflux
10. What is lacking in smooth muscle - answer✔Troponin
11. Competitive inhibition can be reversed by - answer✔Increasing substrate
12. Iron is carried in the blood by - answer✔Transferrin
13. Best measure of excretion capacity of kidneys - answer✔Creatinine clearance
14. What aids the absorption of Vit B12 from intestine - answer✔Intrinsic factor
15. What is the dicrotic notch - answer✔Closure of aortic valve and accompanying back
pressure
16. Best way to build up skeletal muscle is - answer✔Exercise
17. ADH (vasopressin) is secreted by what part of the pituitary gland - answer✔Posterior lobe
19. 65% of glomerular filtrate is reabsorbed where - answer✔Proximal convoluted tubule
20. Where does aldosterone act - answer✔Distal tubules
21. Where is melatonin produced - answer✔Pineal gland
22. Hard contraction of muscle resulting from sustained stimulus - answer✔Tetanus
23. Which cell has the fastest AP - answer✔Nerve cell
24. What is true of both sympathetic and parasympathetic responses - answer✔Presynaptic
release of Ach
25. What represents and AV delay - answer✔Increased PR segment
26. What represents purkinje - answer✔ST segment
27. Calcium binds to which molecules to produce muscle contraction - answer✔Troponin -
skeletal m. & Calmodulin - smooth muscle
28. After an MI, what is elevated - answer✔First 6 hrs EKG is gold standard: troponin is used
w/in 1st 8 hr, CK-MB is test of choice in 1st 24 hr post MI, LDH1 is test of choice from 2-7 days
post MI. EKG changes can include ST elevation (transmural ischemia) and Q waves (transmural
infarct)
29. What degrades blood clots - answer✔Plasmin
30. What does the T wave represent - answer✔Ventricular repolarization
31. What drives the AP in neuronal cells - answer✔Na+ uptake
32. Actin and myosin are together in which band - answer✔A Band
33. Increase urinary flow by: - answer✔Dilating afferent arterioles (which will increase gfr and
rbf)
34. The major difference b/w skeletal and smooth muscle - answer✔Comparison of the
contractile filaments
35. Which hormone interferes with Na+ movement in distal tubules - answer✔Aldosterone
36. If there is a sudden large increase in venous pressure what would be the direct effect -
answer✔Increase in preload
37. If everything stayed the same what would decrease BP - answer✔Decrease blood viscosity
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