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10 Questions

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Sympathetic Nervous System Quiz

Created by

@MarvellousBixbite

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Questions and Answers

Which neurotransmitter is released by preganglionic sympathetic axons?

Dopamine

Epinephrine

Norepinephrine

Acetylcholine (ACh) (correct)

Which type of receptors bind to epinephrine and norepinephrine?

Muscarinic receptors

Adrenergic receptors (correct)

Nicotinic receptors

Cholinergic receptors

What is the function of the sympathetic nervous system in relation to blood pressure?

Has no effect on blood pressure

Decreases blood pressure by lowering the heart rate and causing vasodilation

Increases blood pressure by raising the rate and force of contraction of the heart and causing vasoconstriction (correct)

Increases blood pressure by lowering the heart rate and causing vasodilation

What effect do sympathetic neurons have on the bronchi?

Cause bronchodilation Signup and view all the answers

Which neurotransmitter causes vasodilation of the blood vessels serving skeletal muscles?

Norepinephrine Signup and view all the answers

What neurotransmitter is released by postganglionic sympathetic axons?

Norepinephrine Signup and view all the answers

Which division of the autonomic nervous system is often referred to as the 'fight or flight' division?

Sympathetic nervous system Signup and view all the answers

What type of receptors bind to epinephrine and norepinephrine?

Adrenergic receptors Signup and view all the answers

What is the primary neurotransmitter released by preganglionic sympathetic axons?

Acetylcholine Signup and view all the answers

What effect do sympathetic neurons have on blood vessels serving skeletal muscles?

Vasodilation Signup and view all the answers

Study Notes

Sympathetic Nervous System

Acetylcholine is released by preganglionic sympathetic axons.
Alpha and beta receptors bind to epinephrine and norepinephrine.
The sympathetic nervous system increases blood pressure in response to stress.
Sympathetic neurons cause bronchodilation, which increases airflow to the lungs.
Norepinephrine causes vasodilation of the blood vessels serving skeletal muscles.
Norepinephrine is released by postganglionic sympathetic axons.
The sympathetic nervous system is often referred to as the 'fight or flight' division.
Alpha and beta receptors bind to epinephrine and norepinephrine.
Acetylcholine is the primary neurotransmitter released by preganglionic sympathetic axons.
Sympathetic neurons cause vasodilation of blood vessels serving skeletal muscles.

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Description

Test your knowledge of the sympathetic nervous system with this quiz. Explore the functions, anatomy, and neurotransmitters involved in the "fight or flight" division of the autonomic nervous system.