USMLE: Medical Science MCQs (Practice-Test 34 of 135)

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1. PAH is secreted in which of the following locations?

   1. Distal tubule

   2. Loop of Henle

   3. Collecting tubule

   4. Proximal tubule

   Answer: d

2. Which of the following is not an anterior pituitary gland secretion?

   1. TSH

   2. GH

   3. Vasopressin

   4. Prolactin

   Answer: c

3. 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

   Answer: d

4. Hypercalemia has not been linked with which of the following?

   1. Paget's disease

   2. Aldosterone

   3. Sarcoidosis

   4. Malignancy

   Answer: b

5. Which of the following does not require the pre-cursor progesterone?

   1. Cortisol

   2. Testosterone

   3. ACTH

   4. Aldosterone

   Answer: c

6. Which of the following is the source cell for the secretion Pepsinogen?

   1. Chief cell

   2. Plasma cell

   3. G cell

   4. Parietal cell

   Answer: a

7. Which of the following is the primary activator of zymogen secretion?

   1. Somatostatin

   2. Secretin

   3. Acetylcholine

   4. Gastrin

   Answer: c

8. 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

   Answer: b

9. 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

   Answer: d

10. 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: d