Drug X Interferes with the Action of Norepinephrine at Synapses

question 38

Multiple Choice

Drug X interferes with the action of norepinephrine at synapses. Which of the following mechanisms would NOT explain the effects of 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.

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