In clinical trials,scientists discover that use of drug X results in a decrease in norepinephrine signaling.In the process of making a list of possible mechanisms of this drug to test,which of the following is NOT a plausible explanation for the effects of drug X?
A)X inhibits synthesis of norepinephrine at the axon terminal.
B)X inhibits norepinephrine release from the terminal.
C)X blocks reuptake of norepinephrine by the terminal.
D)X is an adrenergic receptor antagonist.
E)X stimulates the catabolism of norepinephrine.

Question

In clinical trials,scientists discover that use of drug X results in a decrease in norepinephrine signaling.In the process of making a list of possible mechanisms of this drug to test,which of the following is NOT a plausible explanation for the effects of drug X?
A)X inhibits synthesis of norepinephrine at the axon terminal.
B)X inhibits norepinephrine release from the terminal.
C)X blocks reuptake of norepinephrine by the terminal.
D)X is an adrenergic receptor antagonist.
E)X stimulates the catabolism of norepinephrine.

Quizplus · Accepted Answer

Blocking the reuptake of norepinephrine would increase, not decrease, norepinephrine signaling by allowing it to remain in the synaptic cleft longer and continue to activate its receptors.

In Clinical Trials,scientists Discover That Use of Drug X Results