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Questions and Answers
Where do many of the preganglionic neurons synapse?
Where do many of the preganglionic neurons synapse?
- In the parasympathetic ganglia
- In the adrenal glands
- In the spinal cord
- In the sympathetic chain with the postganglionic neurons (correct)
What is the neurotransmitter released by the preganglionic neurons?
What is the neurotransmitter released by the preganglionic neurons?
- Acetylcholine (Ach) (correct)
- Dopamine
- Epinephrine (E)
- Norepinephrine (NE)
What is the difference between epinephrine (E) and norepinephrine (NE)?
What is the difference between epinephrine (E) and norepinephrine (NE)?
- One more hydroxyl group in epinephrine than norepinephrine
- Epinephrine is released by preganglionic neurons, while norepinephrine is released by postganglionic neurons
- Norepinephrine has a catechol ring, while epinephrine does not
- One more methyl group in epinephrine than norepinephrine (correct)
Where do postganglionic neurons pass from after synapsing?
Where do postganglionic neurons pass from after synapsing?
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What are the two types of sympathetic motor neurons between the spinal cord and the organ innervated?
What are the two types of sympathetic motor neurons between the spinal cord and the organ innervated?
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What is the primary neurotransmitter released by the adrenal medulla into the blood?
What is the primary neurotransmitter released by the adrenal medulla into the blood?
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In response to which of the following does the sympathetic nervous system secrete norepinephrine (NE) directly into specific effector organs?
In response to which of the following does the sympathetic nervous system secrete norepinephrine (NE) directly into specific effector organs?
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What triggers the simultaneous secretion of epinephrine (E) and norepinephrine (NE) by the adrenal medulla into the blood?
What triggers the simultaneous secretion of epinephrine (E) and norepinephrine (NE) by the adrenal medulla into the blood?
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