Question

which of the following is a side effect of beta blockers?
edema
bradycardia
headache
weight gain

Explanation:

Beta - blockers work by blocking the effects of adrenaline on the heart. One of the common side - effects is a decrease in heart rate, which is bradycardia. Edema, headache, and weight gain are not typical primary side - effects of beta - blockers.

Answer:

Bradycardia