ch 13-14

Question 1

The cardiac and respiratory control centers are located in the:

Answer 1

medulla oblongata

Question 2

Myelination of the nerve fibers in the PNS is the job of:

Answer 2

schwann cells

Question 3

Which cranial nerve initiates contraction of the facial muscles?

Answer 3

CN VII

Question 4

A spinal nerve has:

Answer 4

Dorsal and ventral roots

Question 5

Clusters of nerve cell bodies within the PNS are:

Answer 5

ganglion

Question 6

A reflex is:

Answer 6

involuntary movement in response to stimulus

Question 7

The largest part of the brain is:

Answer 7

cerebrum

Question 8

What part of the diencephalon is responsible for regulation of body temperature, water balance, metabolism, and emotion?

Answer 8

hypothalamus

Question 9

The large fibrous tract of the brain that allows the communication between the cerebral hemispheres is the:

Answer 9

corpus callosum

Question 10

The layers of the meninges, beginning with the outermost are:

Answer 10

dura mater

Question 11

If someone has a tumor of the cerebellum, what symptoms should be expected?

Answer 11

Trouble walking, no precise movements, problems in swallowing, speech, and eyes

Question 12

If someone has damage to the motor area of the cerebrum on the left fide, what parts of the body will be affected?

Answer 12

right

Question 13

Cerebral spinal fluid is formed by the:

Answer 13

choroid plexus

Question 14

Which of the following is not controlled by the autonomic nervous system?

Answer 14

skeletal muscles

Question 15

What part of the brain coordinates voluntary muscle movement?

Answer 15

cerebellum

Question 16

The efferent division of the PNS:

Answer 16

somatic or motor division

Question 17

Myelinated nerve fibers appear:

Answer 17

Gray white patches on the anterior surface

Question 18

The limbic system plays a key role in:

Answer 18

Anxiety and emotional memory

Question 19

Action potentials are conducted more rapidly:

Answer 19

40 mm diameter myelinated axons

Question 20

Cerebrospinal fluid flows within the

Answer 20

the fourth ventricle into the cisterns of the subarachnoid space surrounding CNS

Question 21

In the condition______
, a virus infects dorsal root ganglia, causing a painful
rash whose distribution corresponds to that of the affected sensory nerves as seen in their dermatomes.

Answer 21

varicella-zoster

Question 22

If a person has a crush injury to the C3-CS spinal segments, you would expect that he

Answer 22

difficulty moving and breathing properly

Question 23

All of the following are true of neural reflexes, except that they

Answer 23

cannot modified by the brain

Question 24

Tina falls while climbing a tree and lands on her back. Her frightened parents take her to the emergency room, where she is examined. Her knee-jerk reflex is normal and she exhibits a plantar reflex (negative Babinski reflex). These results suggest that

Answer 24

She suffered no damage to her spinal cord

Question 25

The layer of the meninges that closely follows every gyrus and sulcus is the

Answer 25

pia mater

Question 26

Joe begins to experience mood swings and disturbed thirst and hunger. Imaging studies indicate that a brain tumor is the likely cause of these disorders. In what part of the brain is the tumor most likely located?

Answer 26

hypothalamus

Question 27

Which of the following is not a property of the limbic system?

Answer 27

regulation of body temperature

Question 28

Parkinson’s disease is the result of

Answer 28

loss of nerve cells in the substantia nigra part of the brain

Question 29

After suffering a stroke, Mary finds that she cannot move her right arm. This would suggest that the stroke damage is in the area of the ____lobe.

Answer 29

left frontal

Question 30

• The highest levels of information processing occur in the

Answer 30

frontal lobe

Question 31

• A(n).
___
is a printed record of the brain’s electrical activity over a period of
time.

Answer 31

EEG