1. Renin is released from the

a. macula densa cells

b. juxtaglomerular cells

c. hepatic cells

d. none of the above

2. JG cells are located in which of the following locations?

a. DCT

b. efferent arterioles

c. afferent arterioles

d. proximal tubules

3. When blood pressure decreases

a. renin release is decreased

b. renin release is increased

c. ACE activity is decreased

d. none of the above

4. When angiotensin II increases, the radius of the efferentarteriole

a. decreases

b. increases

c. does not change

d. There is no relationship between the radius of thearteriole and angiotensin II levels

5. Efferent arteriolar vasoconstriction

a. increases GFR

b. decreases GFR

c. decreases the hydrostatic pressure in theglomerular capillaries

d. none of the above

6. Ang I has how many amino acids?

a. 10

b. 8

c. 14

d. 12

7. The lungs contain which of the followingenzymes?

a. ACE Inhibitor

b. ACE

c. renin

d. none of the above

8. Angiotensin 2is a secondary secretagogue for therelease of which of the following hormones?

a. thyroxine

b. aldosterone

c. ACTH

d. none of the above

9. Aldosterone

a. increases sodium reabsorption

b. decreases water reabsorption

c. decreases blood pressure

d. increases hematocrit

10. Which of the following hormone islipid-soluble?

a. insulin

b. aldosterone

c. ACTH

d. PTH