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Sympathetic Nervous System Anatomy

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Questions and Answers

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?

Acetylcholine (Ach) (correct)

Dopamine

Epinephrine (E)

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?

Directly into the organ innervated Signup and view all the answers

What are the two types of sympathetic motor neurons between the spinal cord and the organ innervated?

Preganglionic and postganglionic neurons Signup and view all the answers

What is the primary neurotransmitter released by the adrenal medulla into the blood?

Epinephrine (E) Signup and view all the answers

In response to which of the following does the sympathetic nervous system secrete norepinephrine (NE) directly into specific effector organs?

Pain Signup and view all the answers

What triggers the simultaneous secretion of epinephrine (E) and norepinephrine (NE) by the adrenal medulla into the blood?

Oxygen lack Signup and view all the answers

Sympathetic Nervous System Anatomy

Choose a study mode

Podcast

Questions and Answers

Where do many of the preganglionic neurons synapse?

What is the neurotransmitter released by the preganglionic neurons?

What is the difference between epinephrine (E) and norepinephrine (NE)?

Where do postganglionic neurons pass from after synapsing?

What are the two types of sympathetic motor neurons between the spinal cord and the organ innervated?

What is the primary neurotransmitter released by the adrenal medulla into the blood?

In response to which of the following does the sympathetic nervous system secrete norepinephrine (NE) directly into specific effector organs?

What triggers the simultaneous secretion of epinephrine (E) and norepinephrine (NE) by the adrenal medulla into the blood?

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Parasympathetic Nervous System Anatomy

Anatomy of the Nervous System

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