chapter 15-The autonomic nervous system

Question 1

Autonomic means

Answer 1

self-governed

Question 2

Autonomic nervous system is also called

Answer 2

visceral nervous system

Question 3

Autonomic nervous system controls

Answer 3

glands, cardiac muscle, and
smooth muscle

Question 4

Primary organs of the ANS are all of the following EXCEPT
1. Viscera of thoracic and abdominal cavities
2. Cutaneous blood vessels
3. Sweat glands
4. Piloerector muscles
5. Veins

Answer 4

5. Veins

Question 5

Autonomic nervous system is
1. voluntary
2. unvoluntary
3. Both

Answer 5

2. unvoluntary

Question 6

exaggerated responses of cardiac and smooth muscle if
autonomic nerves are severed is called

Answer 6

Denervation hypersensitivity

Question 7

The two divisions of the autonomic nervous system are

Answer 7

sympathetic and parasympathetic divisions

Question 8

is responsible for “fight or flight”

Answer 8

Sympathetic

Question 9

Responsible for “resting and digesting”

Answer 9

parasympathetic

Question 10

normal background rate of
activity that represents the balance of the two
systems according to the body’s needs is called

Answer 10

autonomic tone

Question 11

• Maintains smooth muscle tone in intestines
• Holds resting heart rate down to about 70 to
  80 beats per minute

Answer 11

parasympathetic tone

Question 12

Keeps most blood vessels partially constricted
and maintains blood pressure

Answer 12

sympathetic tone

Question 13

Nerve fibers leave the sympathetic chain by three routes. What are they?

Answer 13

spinal, sympathetic, and splanchnic nerves

Question 14

Three major collateral ganglia in this abdominal aortic plexus are

Answer 14

Celiac,
superior mesenteric,
inferior mesenteric

Question 15

What is the collective name for the celiac and
superior mesenteric ganglia?

Answer 15

solar plexus