Physiology Practice Questions

1. Which of the following hormones causes increased atrial pressure and decreases sodium reabsorption in the kidneys?
  1. Atrial natriuretic peptide 
  2. PTH 
  3. Aldosterone 
  4. Vasopressin
2. Angiotensin I is changed by which of the following into Angiotensin II?
  1. ACE 
  2. AVT 
  3. Pepsin 
  4. Adenosine
3. Which of the following is not a cause of peripheral edema?
  1. Increased capillary permeability 
  2. Reduced levels of plasma proteins 
  3. Heart failure 
  4. Decreased capillary output
4. Which of the following during an electrocardiogram is associated with hypokalemia?
  1. QRS complex 
  2. U wave 
  3. PR segment 
  4. ST segment
5. Which of the following is not generally associated with a 2nd degree (Mobitz Type 1) AV block?
  1. Usually asymptomatic 
  2. Nonsequential (P wave then QRS complex) 
  3. Increased PR segment/interval 
  4. 70% Fatal
6. An S3 heart sound is often associated with?
  1. CHF 
  2. COPD 
  3. Atrial fib. 
  4. Ventricular fib.
7. Mean arterial pressure is the product of:
  1. TPR x SV 
  2. TPR x CO 
  3. CO/SV 
  4. SV/EDV
8. During phase 3 of the myocardial action potential which ion is moving the most?
  1. K+ 
  2. Ca+ 
  3. Na+ 
  4. Ca2+
9. An ejection fraction can be calculated as:
  1. SV/TPR 
  2. CO/TPR 
  3. SV/EDV 
  4. CO/EDV
10. Which of the following is not a bradykinin effect?
  1. Elevated capillary permeability 
  2. Elevated pain levels 
  3. Elevated vasodilation response 
  4. Elevated prothrombin secretion
11. PAH is secreted in which of the following locations?
  1. Distal tubule 
  2. Loop of Henle 
  3. Collecting tubule 
  4. Proximal tubule
12. Which of the following is not an anterior pituitary gland secretion?
  1. TSH 
  2. GH 
  3. Vasopressin 
  4. Prolactin
13. Thyroid Hormone T3 does not have which of the following functions?
  1. Stimulate bone development and growth 
  2. Create beta-adrenergic responses 
  3. Cause brain development 
  4. Decrease calcium re-absorption
14. Hypercalemia has not been linked with which of the following?
  1. Paget’s disease 
  2. Aldosterone 
  3. Sarcoidosis 
  4. Malignancy
15. Which of the following does not require the precursor progesterone?
  1. Cortisol 
  2. Testosterone 
  3. ACTH 
  4. Aldosterone
16. Which of the following is the source cell for the secretion Pepsinogen?
  1. Chief cell 
  2. Plasma cell 
  3. G cell 
  4. Parietal cell
17. Which of the following is the primary activator of zymogen secretion?
  1. Somatostatin 
  2. Secretin 
  3. Acetylcholine 
  4. Gastrin
18. Which of the following is not a function of Angiotensin II?
  1. Causes release of aldosterone 
  2. Causes vasodilation 
  3. Causes increased posterior pituitary activation 
  4. Elevates blood pressure
19. Which of the following is not a function of Progesterone?
  1. Causes increased body temperature. 
  2. Causes some smooth muscle relaxation. 
  3. Causes increased spiral artery growth 
  4. Causes activation of FSH
20. Which of the following is not a function of Estrogen?
  1. Causes breast growth. 
  2. Causes inhibition of FSH 
  3. Increased follicle development 
  4. Decreased overall transport proteins

 

Answer Key
1. A 
2. A 
3. D 
4. B 
5. D 
6. A 
7. B 
8. A 
9. C 
10. D 
11. D 
12. C 
13. D 
14. B 
15. C 
16. A 
17. C 
18. B 
19. D 
20. D