CH 16 Quiz

Question 1

The sympathetic division of the ANS is also known as which of the​ following

Answer 1

thoracolumbar division

Question 2

Preganglionic fibers leave the CNS and then synapse on

Answer 2

ganglionic neurons.

Question 3

Preganglionic neurons of the autonomic nervous system are located in

Answer 3

both the brainstem and the lateral gray horns of the spinal cord.

Question 4

Ganglionic neurons innervate all of the following except

Answer 4

skeletal muscle

Question 5

A visceral motor neuron whose cell body is within the CNS is called​ a(n) ________ neuron.

Answer 5

preganglionic

Question 6

In which system are the ganglia in or near the target​ organ?

Answer 6

parasympathetic division of the ANS

Question 7

Visceral motor neuron nuclei are located in which part of the​ brain?

Answer 7

hypothalamus

Question 8

Sympathetic nerve activity would cause all of the following responses EXCEPT

Answer 8

increased stomach motility

Question 9

Sympathetic postganglionic fibers that innervate the small intestines originate from the

Answer 9

superior mesenteric ganglion.

Question 10

Sympathetic preganglionic fibers are​ ________ and have​ ________ axons.

Answer 10

​short; myelinated

Question 11

Postganglionic axons are usually

Answer 11

unmyelinated

Question 12

Collateral ganglia innervate tissues and organs in which​ cavity?

Answer 12

abdominopelvic

Question 13

Which of the following is a modified sympathetic ganglion that releases​ hormones?

Answer 13

adrenal medullae

Question 14

Splanchnic nerves

Answer 14

innervate the viscera.

Question 15

Brad was in an accident that severed the white rami communicantes of spinal nerves T1 and T2 on the left side. What​ organ(s) would you expect to be affected by this​ injury?

Answer 15

left pupil and heart

Question 16

Sympathetic axon terminals form a branching network of swollen segments called

Answer 16

varicosities.

Question 17

Stimulation of the​ beta-1 receptors on heart muscle cells results in all of the following except

Answer 17

decreased oxygen use.

Question 18

If the receptor on the postsynaptic membrane binds to​ norepinephrine, the synapse is called

Answer 18

adrenergic

Question 19

Question content area
Part A
Norepinephrine may lead to an increase or decrease in cAMP levels in a target based on the

Answer 19

type of receptor

Question 20

Which response is NOT part of sympathetic​ activation?

Answer 20

decreased muscle tone

Question 21

Which of the following statements concerning the parasympathetic division of the autonomic nervous system is false​?

Answer 21

Short preganglionic fibers and long postganglionic fibers.

Question 22

Damage to the glossopharyngeal nerve would likely cause

Answer 22

a reduction in saliva.

Question 23

The ganglia located lateral to the vertebral column are part of the sympathetic

Answer 23

chain

Question 24

Dual innervation refers to an organ receiving

Answer 24

both sympathetic and parasympathetic innervation.

Question 25

Nerve networks that include both sympathetic and parasympathetic fibers that reach the same structure are called

Answer 25

autonomic plexuses.

Question 26

A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in

Answer 26

an increase in blood flow through the vessel.

Question 27

Which of the following is NOT an example of a visceral​ reflex?

Answer 27

tendon reflex

Question 28

​Long-term memories that are with you for a lifetime are called​ ________ memories.

Answer 28

tertiary

Question 29

Conversion of a​ short-term memory to a​ long-term memory is called memory

Answer 29

consolidation

Question 30

The regulation of​ sleep-wake cycles appears to involves brain stem nuclei that use different neurotransmitters. The one that favors alertness is​ ________ and the other promoting deep sleep is​ ________.

Answer 30

norepinephrine; serotonin

Question 31

During​ ________ sleep, dreaming occurs.

Answer 31

REM

Question 32

​Huntington’s disease is caused by the destruction of basal nuclei that produce the neurotransmitters​ ________ and​ ________.

Answer 32

acetylcholine; GABA

Question 33

During deep​ sleep, which of these changes​ is/are NOT normally​ observed?

Answer 33

rapid eye movements

Question 34

​Alzheimer’s disease is characterized by all of the following except that it

Answer 34

has a clear genetic basis.

Question 35

Which of these changes DOES NOT normally accompany​ aging

Answer 35

decreased subarachnoid space