MOST FREQUENTLY ASK PHYSIOLOGY QUESTION AND ANSWER 2015

MOST FREQUENTLY ASK PHYSIOLOGY QUESTION AND ANSWER 2015

1.Angiotensin I is changed by which of the following into Angiotensin II?
A. ACE
B. AVT
C. Pepsin
D. Adenosine

ans A

2.Which of the following hormones causes increased atrial pressure and decreases sodium reabsorption in the kidneys?
A. Atrial natriuretic peptide
B. PTH
C. Aldosterone
D. Vasopressin

ans A

3. Which of the following is not a cause of peripheral edema?
A. Increased capillary permeability
B. Reduced levels of plasma proteins
C. Heart failure
D. Decreased capillary output

ans D

4. Which of the following during an electrocardiogram is associated with hypokalemia?
A. QRS complex
B. U wave
C. PR segment
D. ST segment

ans B

5. Which of the following is not generally associated with a 2nd degree (Mobitz Type 1) AV block?
A. Usually asymptomatic
B. Nonsequential (P wave then QRS complex)
C. Increased PR segment/interval
D. 70% Fatal

ans D

6. An S3 heart sound is often associated with?
A. CHF
B. COPD
C. Atrial fib.
D. Ventricular fib.

ans A
7. Mean arterial pressure is the product of:
A. TPR x SV
B. TPR x CO
C. CO/SV
D. SV/EDV

ans B
8. During phase 3 of the myocardial action potential which ion is moving the most?
A. K+
B. Ca+
C. Na+
D. Ca2+

ans A
9. An ejection fraction can be calculated as:
A. SV/TPR
B. CO/TPR
C. SV/EDV
D. CO/EDV

ans C
10. Which of the following is not a bradykinin effect?
A. Elevated capillary permeability
B. Elevated pain levels
C. Elevated vasodilation response
D. Elevated prothrombin secretion

ans D
11. PAH is secreted in which of the following locations?
A. Distal tubule
B. Loop of Henle
C. Collecting tubule
D. Proximal tubule

ans D
12. Which of the following is not an anterior pituitary gland secretion?

A. TSH
B. GH
C. Vasopressin
D. Prolactin

ans C
13. Thyroid Hormone T3 does not have which of the following functions?
A. Stimulate bone development and growth
B. Create beta-adrenergic responses
C. Cause brain development
D. Decrease calcium re-absorption

ans D
14. Hypercalemia has not been linked with which of the following?
A. Paget’s disease
B. Aldosterone
C. Sarcoidosis
D. Malignancy

ans B
15. Which of the following does not require the pre-cursor progesterone?
A. Cortisol
B. Testosterone
C. ACTH
D. Aldosterone

ans C
16. Which of the following is the source cell for the secretion Pepsinogen?
A. Chief cell
B. Plasma cell
C. G cell
D. Parietal cell

ans A
17. Which of the following is the primary activator of zymogen secretion?
A. Somatostatin
B. Secretin
C. Acetylcholine
D. Gastrin

ans C
18. Which of the following is not a function of Angiotensin II?
A. Causes release of aldosterone
B. Causes vasodilation
C. Causes increased posterior pituitary activation
D. Elevates blood pressure

ans B
19. Which of the following is not a function of Progesterone?
A. Causes increased body temperature.
B. Causes some smooth muscle relaxation.
C. Causes increased spiral artery growth
D. Causes activation of FSH

ans D
20. Which of the following is not a function of Estrogen?
A. Causes breast growth.
B. Causes inhibition of FSH
C. Increased follicle development
D. Decreased overall transport proteins

ans D