Chapter 18 - Autonomic Nervous System

Question 1

The _____ nervous system controls involuntary actions.

Answer 1

Autonomic

Question 2

The ______ nervous system maintains internal functions.

Answer 2

Somatic

Question 3

The ANS and SNS are both part of the ______ nervous system.

Answer 3

Peripheral

Question 4

Somatic _____ neurons conduct stimulus information from a sensory receptor.

Answer 4

Sensory

Question 5

Somatic _____ neurons innervate skeletal muscle fibers.

Answer 5

Motor

Question 6

Visceral ______ neurons provide input to activate the ANS.

Answer 6

Sensory

Question 7

Visceral _____ neurons innervate glands, cardiac and smooth muscle.

Answer 7

Motor

Question 8

These neurons are before the ganglion:

Answer 8

Preganglionic

Question 9

These neurons are after the ganglion:

Answer 9

Postganglionic

Question 10

List the two divisions of the ANS:

Answer 10

Parasympathetic, sympathetic

Question 11

Which nervous division is termed rest and digest:

Answer 11

Parasympathetic

Question 12

Which nervous division is termed fight or flight:

Answer 12

Sympathetic

Question 13

Parasympathetic preganglionic neurons originate in either the lateral gray matter of the S2-S4 spinal cord regions, or the:

Answer 13

Brainstem

Question 14

Sympathetic preganglionic neurons originate in the ______ of the T1-L2 spinal cord regions.

Answer 14

Lateral horns

Question 15

Which cranial nerves are associated with the parasympathetic division:

Answer 15

Oculomotor, facial, glossopharyngeal, vagus

Question 16

The Vagus nerve deals with parasympathetic stimulation for thoracic organs and most:

Answer 16

Abdominal organs

Question 17

These house sympathetic ganglionic neuron cell bodies in the vertebral column:

Answer 17

Sympathetic trunk

Question 18

Connect the spinal nerves to each sympathetic trunk:

Answer 18

Rami communicantes

Question 19

Carry preganglionic sympathetic axon from T1-L2 spinal nerves to sympathetic trunk:

Answer 19

White rami

Question 20

Carry postganglionic sympathetic axons from the sympathetic trunk to the spinal nerve:

Answer 20

Gray rami

Question 21

Nerves composed of preganglionic sympathetic axons that run anteriorly from the sympathetic trunk to most viscera:

Answer 21

Splanchnic

Question 22

. Prevertebral ganglia are single structures and not paired, as well as located only in the _____ cavity.

Answer 22

Abdominopelvic

Question 23

List the sympathetic pathways:

Answer 23

Spinal nerve, post ganglion sympathetic nerves, splanchnic nerve, adrenal medulla

Question 24

Parasympathetic and sympathetic divisions innervate organs through specific axon bundles called:

Answer 24

Autonomic plexuses

Question 25

The ANS divisions communicate by chemical messengers called:

Answer 25

Neurotransmitters

Question 26

Collections of sympathetic postganglionic axons and parasympathetic preganglionic axons and some visceral sensory axons:

Answer 26

Autonomic plexuses

Question 27

List the plexuses:

Answer 27

Cardiac, pulmonary, esophageal, abdominal, hypogastric

Question 28

Innervate heart rate and pressure functions.

Answer 28

Cardiac

Question 29

Innervate bronchoconstriction and dilation.

Answer 29

Pulmonary

Question 30

Innervate swallowing reflex.

Answer 30

Esophageal

Question 31

Innervate celiac and mesenteric plexuses.

Answer 31

Abdominal

Question 32

Innervate pelvic area near the termination of the aorta and the beginning of the common iliac artery.

Answer 32

Hypogastric

Question 33

A postganglionic axon acetylcholine release is called:

Answer 33

Cholinergic

Question 34

A postganglionic axon norepinephrine release is called:

Answer 34

Adrenergic

Question 35

Autonomic function is influenced by these structures of the brain:

Answer 35

Cerebrum, hypothalamus, brainstem, spinal cord

Question 36

Sensory processing in the thalamus and emotional states controlled in the limbic system directly affect this structure:

Answer 36

Hypothalamus