Autonomic Nervous System Quizzes: Test Your Knowledge

Question 1

Which of the following is a neurotransmitter released by both divisions of the autonomic nervous system?

Accepted Answer

Acetylcholine

Answer

Noradrenaline

Answer

Dopamine

Answer

Serotonin

Question 2

Parasympathetic ganglia are located:

Accepted Answer

Near the target organ

Answer

Within the central nervous system

Answer

In the spinal cord

Answer

In the sympathetic ganglia

Question 3

Which of the following is NOT a mechanism of action for adrenergic drugs?

Accepted Answer

Increasing intracellular cGMP levels

Answer

Altering receptor conformation

Answer

Increasing intracellular cAMP levels

Answer

Inhibiting neurotransmitter release

Question 4

In the parasympathetic nervous system, which neurotransmitter is primarily responsible for impulse transmission?

Accepted Answer

Acetylcholine

Answer

Norepinephrine

Answer

Dopamine

Answer

Epinephrine

Question 5

Which characteristic typically applies to the postganglionic neurons of the sympathetic nervous system?

Accepted Answer

Adrenergic

Answer

Cholinergic

Answer

Dopaminergic

Answer

Histaminergic

Question 6

Among the following, which is NOT a function of the parasympathetic nervous system?

Accepted Answer

Increased heart rate

Answer

Pupil constriction

Answer

Bronchial dilation

Answer

Gastric secretion stimulation

Question 7

Which type of adrenergic receptor is involved in mediating vasoconstriction?

Accepted Answer

Alpha-1

Answer

Alpha-2

Answer

Beta-1

Answer

Beta-2

Question 8

Cholinergic drugs are known to mimic the effects of which neurotransmitter?

Accepted Answer

Acetylcholine

Answer

Norepinephrine

Answer

Serotonin

Answer

Dopamine

Question 9

In the treatment of gastrointestinal disorders, which drug is commonly used as an anticholinergic agent?

Accepted Answer

Atropine

Answer

Propranolol

Answer

Salbutamol

Answer

Pilocarpine

Question 10

Which division of the autonomic nervous system is responsible for triggering the "fight or flight" response?

Accepted Answer

Sympathetic

Answer

Parasympathetic

Answer

Enteric

Answer

Central

Question 11

Which of the following is an example of a beta-blocker drug?

Accepted Answer

Propranolol

Answer

Pilocarpine

Answer

Salbutamol

Answer

Atropine

Question 12

In the sympathetic nervous system, which neurotransmitter is primarily released from the adrenal medulla?

Accepted Answer

Epinephrine

Answer

Acetylcholine

Answer

Norepinephrine

Answer

Dopamine

Question 13

Which drug is used in the treatment of hypertension by blocking alpha-1 adrenergic receptors?

Accepted Answer

Prazosin

Answer

Salmeterol

Answer

Albuterol

Answer

Bethanechol

Question 14

Which parasympathomimetic drug is commonly used to treat glaucoma?

Accepted Answer

Pilocarpine

Answer

Epinephrine

Answer

Atropine

Answer

Propranolol

Question 15

Which neurotransmitter is primarily associated with the parasympathetic division of the autonomic nervous system?

Accepted Answer

Acetylcholine

Answer

Norepinephrine

Answer

Epinephrine

Answer

Dopamine

Question 16

Where do drugs that block muscarinic acetylcholine receptors exert their primary effect?

Accepted Answer

Gastrointestinal tract

Answer

Heart

Answer

Blood vessels

Answer

Lungs

Question 17

Which action is NOT associated with beta-adrenergic agonists?

Accepted Answer

Increased blood glucose levels

Answer

Increased heart rate

Answer

Bronchial dilation

Answer

Smooth muscle relaxation

Question 18

Which neurotransmitter is primarily released by postganglionic neurons of the sympathetic division?

Accepted Answer

Norepinephrine

Answer

Acetylcholine

Answer

Epinephrine

Answer

Dopamine

Question 19

What is the primary effect of sympathetic nervous system stimulation on blood pressure?

Accepted Answer

Increase

Answer

Decrease

Answer

No change

Answer

Variable

Question 20

Which drug selectively blocks alpha 1-adrenergic receptors?

Accepted Answer

Terazosin

Answer

Phenoxybenzamine

Answer

Salmeterol

Answer

Albuterol

Question 21

Which type of ganglion is involved in the sympathetic nervous system?

Accepted Answer

Sympathetic

Answer

Parasympathetic

Answer

Sensory

Answer

Motor

Question 22

What is the primary function of the adrenal medulla in the autonomic nervous system?

Accepted Answer

Releasing epinephrine and norepinephrine

Answer

Receiving signals from the hypothalamus

Answer

Controlling body temperature

Answer

Regulating blood sugar levels