Module 13

Question 1

In the RAAS system:
A. Renin mediates cleavage of angiotensin II to aldosterone.
B. ACE mediates conversion of angiotensin I to angiotensin II.
C. Renin is released from the adrenal cortex.
D. The higher the blood pressure, the more aldosterone is released.

Answer 1

B. ACE mediates conversion of angiotensin I to angiotensin II.

Question 2

How quickly does the baroreceptor reflex respond to an increase in blood pressure?
 A. Minutes
 B. Hours
 C. Days
 D. Weeks

Answer 2

A. Minutes

Question 3

Which of the following has a beneficial effect on blood pressure?
 A. Sodium
 B. Potassium
 C. Glucose
 D. None are beneficial

Answer 3

B. Potassium

Question 4

What device is used to measure blood pressure?
 A. Mamometer
 B. Ankle Brachial Device
 C. Sphygmomanometer
 D. Glucometer

Answer 4

C. Sphygmomanometer

Question 5

Which of the following do direct renin inhibitors decrease?
 A. Angiotensin I formation
 B. Angiotensin II formation
 C. Aldosterone secretion
 D. All choices are decreased

Answer 5

D. All choices are decreased

Question 6

How do calcium channel blockers lower blood pressure
A. Suppress the RAAS pathway.
B. Stimulate sympathetic outflow from the brainstem.
C. Relax vascular smooth muscle.
D. Decreasing renin release from juxtaglomerular cells.

Answer 6

C. Relax vascular smooth muscle.

Question 7

Which of the following blood pressure readings would you classify as stage 1 hypertension?
 A. 118/78 mmHg
 B. 128/92 mmHg
 C. 161/111 mmHg
 D. 165/115 mmHg

Answer 7

B. 128/92 mmHg

Question 8

Which of the following is NOT a mechanism by which beta blockers decrease blood pressure?
A. Decreasing cardiac output.
B. Decreasing renin release from juxtaglomerular cells.
C. Reducing peripheral resistance.
D. By blocking the binding of angiotensin II to its receptor.

Answer 8

D. By blocking the binding of angiotensin II to its receptor.

Question 9

Which one of the following is true concerning blood pressure?
A. Diastole is the time where the heart is contracting.
B. When the heart contracts more forcefully, blood pressure increases.
C. When the sympathetic nervous system is stimulated, blood pressure decreases.
D. Most cases of hypertension have a known cause.

Answer 9

B. When the heart contracts more forcefully, blood pressure increases.

Question 10

Which of the following drugs should not be used in combination with potassium supplements?
 A. A thiazide diuretic
 B. A loop diuretic
 C. A potassium sparing diuretic
 D. A beta blocker

Answer 10

C. A potassium sparing diuretic