Chapter 15: The Autonomic Nervous System (Quiz)

Question 1

What are adrenergic neurons, and what do they produce?

Answer 1

It is a neuron for which the neurotransmitter is either adrenaline (epinephrine), noradrenaline or dopamine. They secrete norepinephrine.

Question 2

Give 2 reasons as to why the effects of the activation of the sympathetic divisions are longer lasting and more widespread than those of the parasympathetic division.

Answer 2

1. Norepinephrine is slowly metabolized after release.
2. It may enter the bloodstream.

Question 3

Describe the function of the parasympathetic nervous system.

Answer 3

It generally promotes reactions that restore and conserve energy in the body.

Question 4

The output component of the ANS has 2 principal divisions. What are they?

Answer 4

1. Sympathetic.
2. Parasympathetic

Question 5

What % of cateholamine hormones released by medullae is norepinephrine?

Answer 5

20%

Question 6

What is the adrenal medulla stimulated by?

Answer 6

Sympathetic preganglionic neurons.

Question 7

What is a characteristic of the sympathetic nervous system?

Answer 7

The liver splits glycogen into glucose.