The drugs called beta blockers are competitive antagonists often used in medicine to prevent epinephrine from binding to beta adrenergic receptors, and in turn leading to decrease of blood pressure and heart rate. When beta blockers are used in the patient they change
A) receptors' affinity for epinephrine
B) receptors' specificity for epinephrine
C) number of receptors bound to epinephrine
D) adrenergic receptor saturation

Question

Quizplus · Accepted Answer

Beta blockers compete with epinephrine for binding to beta adrenergic receptors, reducing the number of receptors bound to epinephrine.

The Drugs Called Beta Blockers Are Competitive Antagonists Often Used