Question 1

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?

Accepted Answer

A)   reticular formation
B)   postcentral gyrus
C)   basal nuclei
D)   prefrontal cortex
E)   hypothalamus E

Question 2

Bob is struck on the left side of the head and is knocked unconscious. When he recovers consciousness, he can hear individual words but cannot understand the meaning of phrases or sentences. This implies damage to his

Accepted Answer

A)   vestibulocochlear nerve.
B)   temporal lobe.
C)   speech center.
D)   general interpretive area.
E)   prefrontal lobe. D

Question 3

Difficulty in swallowing may be a sign of damage to which cranial nerves)?

Accepted Answer

A)   vagus
B)   facial
C)   glossopharyngeal
D)   A, B, and C
E)   A and C only E

Question 4

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

Accepted Answer

A)   understand spoken words.
B)   sense the texture of velvet.
C)   understand visual images.
D)   understand written words.
E)   play the piano.

Question 5

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
-Which of the following is a property of the blood- brain barrier?

Accepted Answer

A)   Astrocytes surround the CNS capillaries.
B)   The capillary endothelial cells are interconnected by tight junctions.
C)   It is absent in portions of the hypothalamus.
D)   It is generally permeable to lipid- soluble compounds.
E)   all of the above

Question 6

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

Accepted Answer

A)   amygdaloid body
B)   hippocampus
C)   cingulate gyrus
D)   fornix
E)   globus pallidus

Question 7

Parkinson disease is the result of

Accepted Answer

A)   weak response of the red nuclei of the mesencephalon.
B)   hyperactivity of the limbic system.
C)   inadequate production of dopamine by substantia nigra neurons.
D)   decreased levels of acetylcholine from neurons in the substantia nigra.
E)   inadequate production of GABA by neurons in the basal nuclei.

Question 8

The anterior nuclei of the thalamus

Accepted Answer

A)   are part of the limbic system.
B)   secrete pituitary hormones.
C)   receive axon collaterals from the optic nerve.
D)   secrete melatonin.
E)   both B and C

Question 9

During embryonic development, which of the following secondary brain vesicles will form the cerebrum?

Accepted Answer

A)   diencephalon
B)   telencephalon
C)   metencephalon
D)   myelencephalon
E)   mesencephalon

Question 10

Figure 13- 2 Cranial Nerves
Use Figure 13- 2 to answer the following questions:
-The layer of the meninges that closely follows every gyrus and sulcus is the

Accepted Answer

A)   arachnoid membrane.
B)   neural cortex.
C)   dura mater.
D)   pia mater.
E)   subarachnoid mater.

Question 11

Absorption at the arachnoid granulations returns CSF to the

Accepted Answer

A)   third ventricle.
B)   venous circulation.
C)   arterial circulation.
D)   fourth ventricle.
E)   central canal.

Question 12

The ventral nuclei of the thalamus

Accepted Answer

A)   receive general sensory input.
B)   receive input from basal ganglia.
C)   receive input from cerebellum.
D)   A, B and C.
E)   B and C only

Question 13

The cranial nerves that innervate the eye muscles are

Accepted Answer

A)   III and V.
B)   II, III, and IV.
C)   I, II, and III.
D)   III, IV, and VI.
E)   II and VI.

Question 14

Damage to the preoptic area of the hypothalamus leads to which problem?

Accepted Answer

A)   production of a large volume of urine
B)   reduced ability to regulate body temperature
C)   an intense thirst
D)   an insatiable appetite
E)   an uncontrolled sex drive

Question 15

Cortical regions that interpret sensory information or coordinate motor responses are called ________areas.

Accepted Answer

A)   commissural
B)   processing
C)   sensory
D)   association
E)   somesthetic

Question 16

The reflex movement of the head toward a loud noise is directed by the mesencephalon. Which nuclei accomplish this?

Accepted Answer

A)   red nuclei
B)   tectum
C)   inferior colliculi
D)   superior colliculi
E)   substantia nigra

Question 17

Divisions of the cerebral hemispheres that are named after the overlying skull bones are

Accepted Answer

A)   fissures.
B)   sinuses.
C)   gyri.
D)   sulci.
E)   lobes.

Question 18

The sense of taste projects to the gustatory cortex located in the and .

Accepted Answer

A)   insula; frontal lobe
B)   frontal lobe; temporal lobe
C)   insula; parietal lobe
D)   corpus callosum; fornix
E)   precentral gyrus; prefrontal cortex.

Question 19

The concentrations of sodium, potassium, calcium, and magnesium ions in the blood and CSF are the same.

Accepted Answer

A) True 
 B)False

Question 20

What contains a spiderweb like network of cells and fibers through which cerebrospinal fluid flows?

Accepted Answer

A)   pia mater
B)   dural sinus
C)   subarachnoid space
D)   falx cerebri
E)   subdural space

Exam 13: The Brain and Cranial Nerves