Acetylcholine and the catecholamines norepinephrine and dopamine are examples of neurotransmitters.Each of these substances has a characteristic inhibitory or excitatory effect on the postsynaptic neuron.The effect of acetylcholine is excitatory in the brain and inhibitory in the heart.

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Acetylcholine Is

Question 7

Multiple Choice

Acetylcholine is

A) excitatory in the brain and inhibitory in the heart.
B) inhibitory in the brain and excitatory in the heart.
C) excitatory in the brain and excitatory in the heart.
D) inhibitory in the brain and inhibitory in the heart.

Correct Answer: