Author Question: Which of the following is true of the relation between drug affinity and drug effects? A) A drug ... (Read 114 times)

mpobi80 · **on:** Jun 22, 2018

Which of the following is true of the relation between drug affinity and drug effects?

A) A drug with high affinity for a receptor will exert an effect only at a very high dose.
B) Drug affinity does not relate to drug activity.
C) A drug with high affinity for a receptor will exert an effect at a low dose.
D) A drug with a low affinity for a receptor will exert an effect only at a very low dose.
E) A drug that has a potent behavioral effect will have a low affinity for its receptor.

Question 2

________ refers to the capacity of a drug molecule to bind to a receptor.

A) Dynamic capacity
B) Sensitization
C) Inactivation
D) Affinity
E) Binding capacity

laurnthompson · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

Answer: C
Rationale: A drug with high affinity for a receptor will exert an effect at a low dose.

Answer to Question 2

Answer: D