Chapter 22: The vascular system

Chapter 22: The vascular system

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. Which vasoconstrictor substance is produced by vascular endothelial cells?

1. nitric oxide
2. bradykinin
3. prostacyclin
4. natriuretic peptide
5. endothelin

Answer e: endothelin

1. The opening of membrane potassium channels by minoxidil leads to

1. increased potassium influx
2. increased calcium influx
3. inactivation of calcium channels
4. membrane depolarization
5. formation of cyclic GMP

Answer c: inactivation of calcium channels

1. Both valsartan and enalapril

1. increase serum potassium levels
2. often cause a dry cough
3. block angiotensin AT₁ receptors
4. inhibit formation of angiotensin II
5. increase bradykinin levels

Answer a: increase serum potassium levels

1. Bosentan is an antagonist of

1. endothelin ET_A and ET_B receptors
2. angiotensin AT₁ receptors
3. angiotensin AT₂ receptors
4. nitric oxide receptors
5. prostaglandin FP receptors

Answer a: endothelin ET_A and ET_B receptors