Question 1

Damage to the ________ nerve would result in near paralysis of the eye.

Accepted Answer

A)   optic
B)   oculomotor
C)   trochlear
D)   olfactory
E)   abducensF) C) and D)
G) B) and E)

Question 2

The two cerebral hemispheres are separated by the

Accepted Answer

A)   longitudinal fissure.
B)   central sulcus.
C)   transverse fissure.
D)   parieto-occipital sulcus.
E)   postcentral sulcus.F) A) and B)
G) B) and E)

Question 3

Tracts of the lateral and medial pathways include all of the following, except ________ tracts.

Accepted Answer

A)   corticospinal
B)   tectospinal
C)   rubrospinal
D)   reticulospinal
E)   vestibulospinalF) B) and E)
G) B) and C)

Question 4

Peripheral adaptation ________ the number of action potentials that reach the CNS.

Accepted Answer

A)   decreases
B)   increases
C)   stabilizes
D)   neutralizesE) A) and D)
F) A) and C)

Question 5

Stimulation of a neuron that terminates in the superior region of the left postcentral gyrus would produce

Accepted Answer

A)   a sensation in the right leg.
B)   a sensation in the lips.
C)   a muscle twitch in the right leg.
D)   a muscle twitch in the lips.
E)   both sensations and muscle twitches in the right leg.F) A) and B)
G) None of the above

Question 6

The tract that links the cerebellum with the pons is the

Accepted Answer

A)   superior cerebellar peduncle.
B)   inferior cerebellar peduncle.
C)   middle cerebellar peduncle.
D)   longitudinal fibers.
E)   obverse fibers.F) B) and D)
G) A) and B)

Question 7

Damage to the substantia nigra causes a decrease in the neurotransmitter dopamine. This causes a gradual, generalized increase in muscle tone, which is the main symptom of

Accepted Answer

A)   Parkinson disease.
B)   rabies.
C)   Alzheimer disease.
D)   myasthenia gravis.
E)   tetanus.F) A) and C)
G) All of the above

Question 8

The auditory cortex is located in the

Accepted Answer

A)   frontal lobe.
B)   parietal lobe.
C)   temporal lobe.
D)   occipital lobe.
E)   insula.F) D) and E)
G) B) and D)

Question 9

Parkinson disease is the result of

Accepted Answer

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

Question 10

Cerebrospinal fluid enters the blood circulation at the

Accepted Answer

A)   jugular veins.
B)   dural drain.
C)   superior sagittal sinus.
D)   tentorium cerebelli.
E)   frontal sinus.F) A) and B)
G) C) and D)

Question 11

The visual cortex is located in the

Accepted Answer

A)   frontal lobe.
B)   parietal lobe.
C)   temporal lobe.
D)   occipital lobe.
E)   insula.F) A) and D)
G) B) and E)

Question 12

Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to

Accepted Answer

A)   receptor specificity.
B)   accessory cells.
C)   the fact that they are interoceptors.
D)   receptor potentials.
E)   both accessory cells and the fact that they are interoceptors.F) None of the above
G) C) and D)

Question 13

Figure 13-1 The Circulation of Cerebrospinal Fluid
Use Figure 13-1 to answer the following questions:
-Identify the structure labeled "10."

Accepted Answer

A)   arbor vitae
B)   central canal
C)   corpus callosum
D)   pons
E)   diencephalonF) A) and B)
G) B) and D)

Question 14

The regions of the midbrain that issue subconscious motor commands that affect upper limb position and background muscle tone are the

Accepted Answer

A)   tecta.
B)   red nuclei.
C)   cerebral peduncles.
D)   superior colliculi.
E)   inferior colliculi.F) A) and B)
G) C) and E)

Question 15

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

Accepted Answer

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

Question 16

The cells that cover the outer surfaces of CNS capillaries cells are the

Accepted Answer

A)   blastocytes.
B)   astrocytes.
C)   monocytes.
D)   leukocytes.
E)   lymphocytes.F) All of the above
G) A) and E)

Question 17

Difficulties in estimating temporal relationships between events may stem from damage to

Accepted Answer

A)   the prefrontal cortex.
B)   the general interpretive area.
C)   Broca's area.
D)   Wernicke's area.
E)   the temporal lobe.F) None of the above
G) C) and D)

Question 18

White matter fibers that pass from one gyrus to the adjacent gyrus are called

Accepted Answer

A)   arcuate fibers.
B)   longitudinal fasciculi.
C)   association fibers.
D)   commissural fibers.
E)   projection fibers.F) C) and D)
G) All of the above

Question 19

Figure 13-4 The Corticospinal Pathway
Use Figure 13-4 to answer the following questions:
-Identify the structure labeled "5."

Accepted Answer

A)   ventral root
B)   upper motor neuron
C)   first-order neuron
D)   second-order neuron
E)   dorsal rootF) B) and C)
G) A) and E)

Question 20

Tactile receptors composed of capsules that surround a core of collagen fibers intertwined with dendrites are called

Accepted Answer

A)   Ruffini corpuscles.
B)   lamellated corpuscles.
C)   tactile (Meissner)  corpuscles.
D)   tactile discs.
E)   root hair plexuses.F) A) and D)
G) A) and E)

Exam 13: The Brain and Cranial Nerves

The auditory cortex is located in the

Correct AnswerverifiedShow Answer

Damage to the substantia nigra causes a decrease in the neurotransmitter dopamine. This causes a gradual, generalized increase in muscle tone, which is the main symptom of

Correct AnswerverifiedShow Answer

The visual cortex is located in the

Correct AnswerverifiedShow Answer

Cerebrospinal fluid enters the blood circulation at the

Correct AnswerverifiedShow Answer

Peripheral adaptation ________ the number of action potentials that reach the CNS.

Correct AnswerverifiedShow Answer

Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to

Correct AnswerverifiedShow Answer

Figure 13-4 The Corticospinal Pathway Use Figure 13-4 to answer the following questions: -Identify the structure labeled "5."

Correct AnswerverifiedShow Answer

Tactile receptors composed of capsules that surround a core of collagen fibers intertwined with dendrites are called

Correct AnswerverifiedShow Answer

The tract that links the cerebellum with the pons is the

Correct AnswerverifiedShow Answer

The cells that cover the outer surfaces of CNS capillaries cells are the

Correct AnswerverifiedShow Answer

Stimulation of a neuron that terminates in the superior region of the left postcentral gyrus would produce

Correct AnswerverifiedShow Answer

Parkinson disease is the result of

Correct AnswerverifiedShow Answer

Tracts of the lateral and medial pathways include all of the following, except ________ tracts.

Correct AnswerverifiedShow Answer

Damage to the ________ nerve would result in near paralysis of the eye.

Correct AnswerverifiedShow Answer

The two cerebral hemispheres are separated by the

Correct AnswerverifiedShow Answer

Difficulties in estimating temporal relationships between events may stem from damage to

Correct AnswerverifiedShow Answer

Figure 13-1 The Circulation of Cerebrospinal Fluid Use Figure 13-1 to answer the following questions: -Identify the structure labeled "10."

Correct AnswerverifiedShow Answer

White matter fibers that pass from one gyrus to the adjacent gyrus are called

Correct AnswerverifiedShow Answer

The regions of the midbrain that issue subconscious motor commands that affect upper limb position and background muscle tone are the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified