Autonomic quiz 2

Which neurotransmitter is used at all sympathetic preganglionic synapses?

• Somatostatin

• Dopamine

• Acetylcholine

• Epinephrine

Which neurotransmitter is used at all parasympathetic postganglionic synapses?

• Dopamine

• Serotonin

• Norepinephrine

• Acetylcholine

Which neurotransmitter is used to stimulate the adrenal medulla?

• Norepinephrine

• Serotonin

• Acetylcholine

• Dopamine

What effect does norepinephrine have on the smooth muscles of the bronchi?

• Excitatory

• Inhibitory

• 1st excitatory, then inhibitory

• It depends on the target tissue

Which receptor can be either excited or inhibited by norepinephrine?

• alpha adrenergic

• beta adrenergic

• muscarinic

• nicotinic