APMLE Recall Questions Physiology and
Answers Exam 2026
1. What hormone is secreted by the zona glomerulosa of the adrenal gland Zona
fasciculate Zona reticularis - Correct answer-Adrenal medulla? Aldosterone,
Glucocorticoids, Androgens, Catecholamines
2. Where is erythropoietin made Hormone made to promote formation of RBC -
Correct answer-Kidney
3. What increases diffusion - Correct answer-Solubility
4. Comparison of pulmonary and systemic circulation - Correct answer-Blood flow
volume is equal
5. What does aldosterone do - Correct answer-Increased reabsorption of Na+ and
decreased secretion of K+
6. What is the fastest conducting axon - Correct answer-Large myelinated
7. Which of the following require energy - Correct answer-Active transport
8. Which ion is a clotting factor - Correct answer-Calcium
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, 9. Rapid repolarization is result of - Correct answer-K+ efflux
10. What is lacking in smooth muscle - Correct answer-Troponin
11. Competitive inhibition can be reversed by - Correct answer-Increasing
substrate
12. Iron is carried in the blood by - Correct answer-Transferrin
13. Best measure of excretion capacity of kidneys - Correct answer-Creatinine
clearance
14. What aids the absorption of Vit B12 from intestine - Correct answer-Intrinsic
factor
15. What is the dicrotic notch - Correct answer-Closure of aortic valve and
accompanying back pressure
16. Best way to build up skeletal muscle is - Correct answer-Exercise
17. ADH (vasopressin) is secreted by what part of the pituitary gland - Correct
answer-Posterior lobe
18. What secretes rennin - Correct answer-Juxtaglomerular cells adjacent to
afferent arterioles
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Answers Exam 2026
1. What hormone is secreted by the zona glomerulosa of the adrenal gland Zona
fasciculate Zona reticularis - Correct answer-Adrenal medulla? Aldosterone,
Glucocorticoids, Androgens, Catecholamines
2. Where is erythropoietin made Hormone made to promote formation of RBC -
Correct answer-Kidney
3. What increases diffusion - Correct answer-Solubility
4. Comparison of pulmonary and systemic circulation - Correct answer-Blood flow
volume is equal
5. What does aldosterone do - Correct answer-Increased reabsorption of Na+ and
decreased secretion of K+
6. What is the fastest conducting axon - Correct answer-Large myelinated
7. Which of the following require energy - Correct answer-Active transport
8. Which ion is a clotting factor - Correct answer-Calcium
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, 9. Rapid repolarization is result of - Correct answer-K+ efflux
10. What is lacking in smooth muscle - Correct answer-Troponin
11. Competitive inhibition can be reversed by - Correct answer-Increasing
substrate
12. Iron is carried in the blood by - Correct answer-Transferrin
13. Best measure of excretion capacity of kidneys - Correct answer-Creatinine
clearance
14. What aids the absorption of Vit B12 from intestine - Correct answer-Intrinsic
factor
15. What is the dicrotic notch - Correct answer-Closure of aortic valve and
accompanying back pressure
16. Best way to build up skeletal muscle is - Correct answer-Exercise
17. ADH (vasopressin) is secreted by what part of the pituitary gland - Correct
answer-Posterior lobe
18. What secretes rennin - Correct answer-Juxtaglomerular cells adjacent to
afferent arterioles
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
