Exam 2

Question 1

What is the name of cranial nerve XI?

Answer 1

the accessory nerve

Question 2

What is the name of cranial nerve X?

Answer 2

the vagus nerve

Question 3

What is the primary action of cranial nerve IV?

Answer 3

inferiolateral eye movement (superior oblique muscle)

Question 4

What is the primary action of cranial nerve II?

Answer 4

vision

Question 5

The blood brain barrier isolates the brain from general circulation everywhere but:

a. Posterior pituitary gland
b. The medulla
c. The brainstem
d. The red nucleus
e. The cerebral aquaduct

Answer 5

a. Posterior pituitary gland

Question 6

The limbic system includes all of the following structures EXCEPT:

a. Hippocampus
b. Amygdala
c. Hypothalamus
d. Medulla oblongata
e. Thalamus

Answer 6

d. Medulla oblongata

Question 7

Which structure is directly fused with the periosteum of the cranial bones?

a. Superior sagittal sinus
b. Meningeal dura
c. Pia matter
d. Endosteal dura
e. Arachnoid villa

Answer 7

d. Endosteal dura

Question 8

The brain stem is made up of the:

a. Cerebellum, pons, and hypothalamus
b. Medulla oblongata, thalamus, and midbrain c. Medulla oblongata, hypothalamus, and pons
d. Medulla oblongata, pons and midbrain
e. Midbrain, hypothalamus, and thalamus

Answer 8

d. Medulla oblongata, pons and midbrain

Question 9

The cerebral hemispheres are connected internally by the:

a. Intermediate mass
b. Basal ganglia
c. Corpus callosum
d. Arachnoid villa
e. Temporal lobe

Answer 9

c. Corpus callosum

Question 10

The pineal gland belongs to:

a. the epithalamus.
b. the occipital lobe.
c. the thalamus.

Answer 10

a. the epithalamus.

Question 11

From superficial to deep, the meninges occur in this order:

a. pia mater, arachnoid, dura mater.
b. arachnoid, pia mater, dura mater.
c. pia mater, dura mater, arachnoid.
d. dura mater, pia mater, arachnoid.
e. dura mater, arachnoid, pia mater.

Answer 11

e. dura mater, arachnoid, pia mater.

Question 12

The reason hydrocephalus is so dangerous is that:

a. The brain dehydrates
b. Excess cerebrospinal fluid puts pressure on neurons, damaging them
c. It causes excessive release of hormones from the hypothalamus
d. Too many toxic products flood the brain
e. Bacteria can grow more easily in accumulated fluid

Answer 12

b. Excess cerebrospinal fluid puts pressure on neurons, damaging them

Question 13

After a stroke a patient complains about lack of sensitivity in her right hand. The stroke most likely affected the:

a. precentral gyrus in the right frontal lobe.
b. postcentral gyrus in the right temporal lobe.
c. postcentral gyrus in the left frontal lobe.
d. precentral gyrus in the left frontal lobe.
e. postcentral gyrus in the left parietal lobe.

Answer 13

e. postcentral gyrus in the left parietal lobe.

Question 14

Abstract intellectual functions such as predicting the consequences of a particular response occur in the:

a. postcentral gyrus.
b. prefrontal cortex.
c. corpus callosum.
d. precentral gyrus.
e. premotor cortex.

Answer 14

b. prefrontal cortex.

Question 15

Damage to the premotor cortex of the frontal lobe would interfere with the ability to:

a. Use scissors to cut out a picture
b. Understand spoken language
c. Sense the texture of silk
d. Understand written language
e. Clearly see visual images

Answer 15

a. Use scissors to cut out a picture

Question 16

he region of the brain that allows you to identify a flower as a daisy is:

a. Broca’s area
b. Premotor cortex
c. Visual cortex
d. Visual association area
e. Motor cortex

Answer 16

d. Visual association area

Question 17

Bob is struck on the left side of the head with a board and is knocked unconscious. When he recovers consciousness, he can hear but cannot understand what is being said to him. This implies damage to the:

a. Wernicke’s area
b. Brocca’s speech center
c. somatosensory association area
d. prefrontal cortex
e. inner ear

Answer 17

a. Wernicke’s area

Question 18

The function of cerebrospinal fluid is:

a. to regulate the chemical environment of the nervous tissue.
b. to rinse metabolic wastes from the nervous tissue.
c. to protect the brain from striking the cranium when the head is jolted.
d. to allow the brain to attain considerable size without being impaired by its own weight. e. all of the above

Answer 18

e. all of the above

Question 19

Turning your head when you hear glass breaking is coordinated by the:

a. Red nucleus
b. Inferior colliculi
c. Substantia nigra
d. Superior colliculi

Answer 19

look this up

Question 20

Most all sensory impulses synapse with what structure on their way to the cerebral cortex?

a. Basal ganglia
b. Corpus striatum
c. Hypothalamus
d. Mammillary bodies
e. Thalamus

Answer 20

e. Thalamus

Question 21

Which of the following structures plays a role in the limbic system?

a. superior colliculus
c. Mammillary body
d. septum pallucidum
e. Cerebellum

Answer 21

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Question 22

Precise location and identification of specific sensations occur in the:

a. Spinal cord
b. Thalamus
c. Brain stem
d. Cerebral cortex

Answer 22

d. Cerebral cortex?

Question 23

When you get embarrassed, which structures dilates the blood vessels in your face causing you to blush?

a. Hypothalamus
b. red nucleus
c. Thalamas
d. Mesencephalon
e. Midbrain

Answer 23

a. Hypothalamus