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Autonomic Nervous System – Quiz 2

Question 1 of 30

Which division of the ANS is responsible for 'rest and digest'?

Select one answer.

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Autonomic Nervous System – Quiz 2 Practice Questions

Review these Autonomic Nervous System – Quiz 2 nursing practice questions with answer choices and explanations.

Question 1

Which division of the ANS is responsible for 'rest and digest'?

  1. Sympathetic
  2. Parasympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic system promotes rest and digestion.

Question 2

Which neurotransmitter is released by all preganglionic neurons?

  1. Norepinephrine
  2. Dopamine
  3. Acetylcholine
  4. Serotonin
View answer and explanation

Correct answer:

  1. Acetylcholine

Explanation: All preganglionic neurons release acetylcholine.

Question 3

Where are autonomic ganglia located?

  1. In muscles
  2. In CNS only
  3. Outside CNS
  4. In bones
View answer and explanation

Correct answer:

  1. Outside CNS

Explanation: ANS ganglia are located outside the CNS.

Question 4

Sympathetic preganglionic neurons originate in:

  1. Brainstem
  2. Thoracolumbar region
  3. Sacral region
  4. Cervical region
View answer and explanation

Correct answer:

  1. Thoracolumbar region

Explanation: Sympathetic division is thoracolumbar.

Question 5

Parasympathetic preganglionic neurons originate in:

  1. Thoracic
  2. Lumbar
  3. Craniosacral
  4. Cervical
View answer and explanation

Correct answer:

  1. Craniosacral

Explanation: Parasympathetic is craniosacral.

Question 6

Which system decreases heart rate?

  1. Sympathetic
  2. Parasympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic slows the heart.

Question 7

Which receptor responds to norepinephrine?

  1. Muscarinic
  2. Nicotinic
  3. Adrenergic
  4. Cholinergic
View answer and explanation

Correct answer:

  1. Adrenergic

Explanation: Adrenergic receptors bind norepinephrine.

Question 8

Which system causes bronchodilation?

  1. Parasympathetic
  2. Sympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Sympathetic

Explanation: Sympathetic activation dilates bronchi.

Question 9

Parasympathetic ganglia are located:

  1. Near spinal cord
  2. Far from organs
  3. Near target organs
  4. In brain only
View answer and explanation

Correct answer:

  1. Near target organs

Explanation: Parasympathetic ganglia are close to organs.

Question 10

Sympathetic ganglia are located:

  1. In organs
  2. Near spinal cord
  3. In brain
  4. In limbs
View answer and explanation

Correct answer:

  1. Near spinal cord

Explanation: Sympathetic ganglia are near spinal cord.

Question 11

Which division uses short preganglionic fibers?

  1. Parasympathetic
  2. Sympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Sympathetic

Explanation: Sympathetic fibers are short before ganglion.

Question 12

Which division uses long preganglionic fibers?

  1. Sympathetic
  2. Parasympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic fibers are long.

Question 13

Which receptor type is always excitatory?

  1. Muscarinic
  2. Adrenergic
  3. Nicotinic
  4. Alpha
View answer and explanation

Correct answer:

  1. Nicotinic

Explanation: Nicotinic receptors always excite.

Question 14

Which neurotransmitter is used at parasympathetic effector organs?

  1. Norepinephrine
  2. Dopamine
  3. Acetylcholine
  4. Serotonin
View answer and explanation

Correct answer:

  1. Acetylcholine

Explanation: Parasympathetic uses acetylcholine.

Question 15

Which receptor type is found in skeletal muscle?

  1. Muscarinic
  2. Nicotinic
  3. Adrenergic
  4. Alpha
View answer and explanation

Correct answer:

  1. Nicotinic

Explanation: Somatic system uses nicotinic receptors.

Question 16

Which system increases blood pressure?

  1. Parasympathetic
  2. Sympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Sympathetic

Explanation: Sympathetic causes vasoconstriction.

Question 17

Which system increases digestion?

  1. Sympathetic
  2. Parasympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic enhances digestion.

Question 18

Which receptor causes vasoconstriction?

  1. Beta2
  2. Muscarinic
  3. Alpha1
  4. Nicotinic
View answer and explanation

Correct answer:

  1. Alpha1

Explanation: Alpha1 receptors constrict vessels.

Question 19

Which receptor causes bronchodilation?

  1. Alpha1
  2. Beta2
  3. Muscarinic
  4. Nicotinic
View answer and explanation

Correct answer:

  1. Beta2

Explanation: Beta2 dilates airways.

Question 20

Which system controls involuntary functions?

  1. Somatic
  2. Autonomic
  3. Central
  4. Peripheral
View answer and explanation

Correct answer:

  1. Autonomic

Explanation: ANS controls involuntary actions.

Question 21

Which system controls skeletal muscle?

  1. Autonomic
  2. Somatic
  3. Central
  4. Sympathetic
View answer and explanation

Correct answer:

  1. Somatic

Explanation: Somatic system controls skeletal muscle.

Question 22

Which division conserves energy?

  1. Sympathetic
  2. Parasympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic conserves energy.

Question 23

Which division prepares the body for stress?

  1. Parasympathetic
  2. Sympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Sympathetic

Explanation: Sympathetic prepares for stress.

Question 24

Which receptor is found on parasympathetic targets?

  1. Nicotinic
  2. Muscarinic
  3. Alpha
  4. Beta
View answer and explanation

Correct answer:

  1. Muscarinic

Explanation: Muscarinic receptors are parasympathetic.

Question 25

Which fibers are myelinated?

  1. Postganglionic
  2. Preganglionic
  3. Both
  4. None
View answer and explanation

Correct answer:

  1. Preganglionic

Explanation: Preganglionic fibers are myelinated.

Question 26

Which fibers are unmyelinated?

  1. Preganglionic
  2. Postganglionic
  3. Both
  4. None
View answer and explanation

Correct answer:

  1. Postganglionic

Explanation: Postganglionic fibers are unmyelinated.

Question 27

Which system shows mass activation?

  1. Parasympathetic
  2. Sympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Sympathetic

Explanation: Sympathetic has widespread effects.

Question 28

Which neurotransmitter is used by sympathetic postganglionic neurons?

  1. Acetylcholine
  2. Norepinephrine
  3. Dopamine
  4. Serotonin
View answer and explanation

Correct answer:

  1. Norepinephrine

Explanation: Sympathetic uses norepinephrine.

Question 29

Which system decreases pupil size?

  1. Sympathetic
  2. Parasympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic constricts pupils.

Question 30

Which system increases pupil size?

  1. Parasympathetic
  2. Sympathetic
  3. Somatic
  4. Central
View answer and explanation

Correct answer:

  1. Sympathetic

Explanation: Sympathetic dilates pupils.