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Autonomic Nervous System – Quiz 6

Question 1 of 30

Which system helps maintain homeostasis during stress?

Select one answer.

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Autonomic Nervous System – Quiz 6 Practice Questions

Review these Autonomic Nervous System – Quiz 6 nursing practice questions with answer choices and explanations.

Question 1

Which system helps maintain homeostasis during stress?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic system responds to stress to maintain balance.

Question 2

Which system restores the body to baseline after stress?

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

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic returns body to resting state.

Question 3

Which hormone works with the sympathetic system during stress?

  1. Insulin
  2. Epinephrine
  3. Melatonin
  4. Thyroxine
View answer and explanation

Correct answer:

  1. Epinephrine

Explanation: Epinephrine enhances sympathetic effects.

Question 4

Which system increases blood flow to skeletal muscles?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic redirects blood to muscles.

Question 5

Which system decreases blood flow to the digestive tract during stress?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic reduces digestion during stress.

Question 6

Which system is dominant after eating a meal?

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

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic promotes digestion.

Question 7

Which receptor increases heart rate and force of contraction?

  1. Alpha1
  2. Beta1
  3. Beta2
  4. Muscarinic
View answer and explanation

Correct answer:

  1. Beta1

Explanation: Beta1 increases heart rate and contractility.

Question 8

Which receptor decreases heart rate?

  1. Beta1
  2. Alpha1
  3. Muscarinic
  4. Beta2
View answer and explanation

Correct answer:

  1. Muscarinic

Explanation: Muscarinic receptors slow the heart.

Question 9

Which receptor causes bronchodilation in asthma treatment?

  1. Alpha1
  2. Beta1
  3. Beta2
  4. Muscarinic
View answer and explanation

Correct answer:

  1. Beta2

Explanation: Beta2 agonists open airways.

Question 10

Which receptor causes bronchoconstriction?

  1. Muscarinic
  2. Beta2
  3. Alpha1
  4. Beta1
View answer and explanation

Correct answer:

  1. Muscarinic

Explanation: Muscarinic activation constricts bronchi.

Question 11

Which system increases blood glucose levels?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic promotes glucose release.

Question 12

Which system promotes insulin release?

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

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic supports storage of energy.

Question 13

Which system increases metabolic rate?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic increases metabolism.

Question 14

Which system helps conserve energy stores?

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

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic conserves energy.

Question 15

Which system is activated in hypertension?

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

Correct answer:

  1. Sympathetic

Explanation: Excess sympathetic activity raises blood pressure.

Question 16

Which receptor causes vasoconstriction in hypertension?

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

Correct answer:

  1. Alpha1

Explanation: Alpha1 receptors constrict blood vessels.

Question 17

Which drug type lowers blood pressure by blocking sympathetic activity?

  1. Beta blockers
  2. Cholinergic agonists
  3. Sedatives
  4. Diuretics
View answer and explanation

Correct answer:

  1. Beta blockers

Explanation: Beta blockers reduce heart rate and BP.

Question 18

Which system is responsible for 'fight-or-flight' response?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic prepares for stress.

Question 19

Which system is responsible for 'rest and digest'?

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

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic promotes rest.

Question 20

Which system controls thermoregulation through sweating?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic regulates sweat glands.

Question 21

Which system causes vasodilation to release heat?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic can cause vasodilation via beta receptors.

Question 22

Which system causes vasoconstriction to conserve heat?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic constricts vessels to conserve heat.

Question 23

Which system reduces urine production during stress?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic conserves fluid.

Question 24

Which system increases urine production during rest?

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

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic promotes elimination.

Question 25

Which receptor type is involved in parasympathetic effects?

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

Correct answer:

  1. Muscarinic

Explanation: Muscarinic receptors mediate parasympathetic actions.

Question 26

Which receptor type is involved in sympathetic effects?

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

Correct answer:

  1. Adrenergic

Explanation: Adrenergic receptors respond to norepinephrine.

Question 27

Which system increases alertness and reaction time?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic enhances alertness.

Question 28

Which system slows heart rate during relaxation?

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

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic reduces heart rate.

Question 29

Which system promotes digestion after eating?

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

Correct answer:

  1. Parasympathetic

Explanation: Parasympathetic increases digestion.

Question 30

Which system coordinates emergency responses in the body?

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

Correct answer:

  1. Sympathetic

Explanation: Sympathetic coordinates emergency responses.