Answer to Question 1
Ans: B, E
Feedback:
Direct renin inhibitors such as aliskiren and the drug eplerenone can cause hyperkalemia. Atenolol and metoprolol are beta blockers. Clonidine is a centrally acting adrenergic drug.
Answer to Question 2
Ans: A, B, C, D
Feedback:
The use of calcium channel blockers results in relaxation of blood vessels, increased oxygen supply to the heart, reduced workload on the heart, and decreased blood pressure.