Deck 17: Gross Anatomy of the Brain and Cranial Nerves

Question 1

The corpus callosum .

A)separates the lateral ventricles of the cerebral hemispheres
B)consists of fibers that connect the cerebral hemispheres
C)passes between the diencephalon and basal ganglia
D)is an important cerebral hemisphere nucleus

Answer 1

B

Question 2

This purely sensory cranial nerve carries signals associated with vision.

A)trigeminal
B)facial
C)optic
D)oculomotor

Answer 2

C

Question 3

The precentral gyrus .

A)is important for somatosensation
B)is the cortical area to which taste sensations come
C)is a major motor area of the brain
D)is a center for audition

Answer 3

C

Question 4

The thalamus and the hypothalamus are structures found in the .

A)cerebral hemispheres
B)cerebellum
C)brain stem
D)diencephalon

Question 5

Cerebrospinal fluid formed in the lateral ventricles travels through the to reach the third ventricle.

A)median aperture
B)central canal
C)cerebral aqueduct
D)interventricular foramen

Question 6

The surface of the cerebral hemispheres consists of ridges and grooves. The shallow grooves are called .

A)sulci
B)fissures
C)gyri

Question 7

The cerebrum develops from the whereas the cerebellum develops from the .

A)midbrain, hindbrain
B)forebrain, midbrain
C)forebrain, hindbrain

Question 8

Which of the cranial nerves below is purely sensory?

A)vestibulocochlear
B)glossopharyngeal
C)accessory
D)trochlear

Question 9

This part of the brain stem consists primarily of fiber tracts. It resembles a bridge.

A)medulla oblongata
B)midbrain
C)pons

Question 10

What true about cranial nerves III, IV, and VI?

A)They carry the sensation of taste.
B)They control structures in the thorax and abdomen.
C)They are the major sensory nerves of the face.
D)They move the eyeball.

Question 11

What is the function of the corpora quadrigemina?

A)They are important for maintaining balance.
B)They are olfactory relay centers.
C)They are important for the sense of taste.
D)They are reflex centers for visual and auditory stimuli.

Question 12

This part of the brain stem is continuous with the spinal cord.

A)cerebral peduncles
B)thalamus
C)midbrain
D)medulla oblongata

Question 13

This part of the peripheral nervous system controls smooth muscle, cardiac muscle, and glands.

A)autonomic nervous system
B)somatic division
C)spinal cord
D)sensory division

Question 14

Name the divisions of the forebrain.

A)diencephalon and mesencephalon
B)telencephalon and diencephalon
C)telencephalon, diencephalon, and mesencephalon
D)telencephalon

Question 15

The olfactory bulbs of the sheep _ .

A)are less important as a food- getting sense than those in humans
B)carry visual information
C)are located more superiorly than those in humans
D)are relatively larger than those in humans

Question 16

The sensory portion of the PNS carries electrical signals the CNS; the motor portion carries electrical signals the CNS.

A)toward, also toward
B)away from, also away from
C)away from, toward
D)toward, away from

Question 17

This cranial nerve operates the muscles of the tongue.

A)glossopharyngeal
B)facial
C)hypoglossal
D)vagus

Question 18

What is cerebral cortex?

A)deep white matter of the cerebrum
B)the outermost surface of white matter covering the cerebrum
C)the inner grey matter of the cerebrum
D)the outermost grey matter covering the cerebrum

Question 19

Many motor functions as well as primary motor cortex are located in this lobe of the brain.

A)occipital
B)frontal
C)temporal
D)parietal

Question 20

White matter of the CNS consists of .

A)fiber tracts
B)meninges
C)ventricles
D)neuron cell bodies

Question 21

The falx cerebri and tentorium cerebelli are formed by this connective tissue membrane.

A)arachnoid
B)pia mater
C)dura mater

Question 22

The brain and spinal cord make up this division of the nervous system.

A)peripheral nervous system (PNS)
B)somatic division of the peripheral nervous system
C)autonomic nervous system (ANS)
D)central nervous system (CNS)

Question 23

In which lobe of the brain is the primary visual cortex located?

A)frontal
B)temporal
C)occipital
D)parietal

Question 24

In comparing sheep brains and human brains, one notes that, in humans, .

A)the superior and inferior colliculi are relatively larger
B)the fornix is thinner than the corpus callosum
C)there is only a single mammillary body; sheep have two
D)the pons is relatively smaller

Question 25

The central sulcus of each cerebral hemisphere separates the .

A)parietal and occipital lobes
B)temporal and occipital lobes
C)frontal and parietal lobes
D)parietal and temporal lobes

Question 26

The basal nuclei (basal ganglia).

A)are located in the diencephalon, are involved in regulating voluntary motor activities, and control heart rate, respiration, blood pressure, and other autonomic functions
B)are involved in regulating voluntary motor activities
C)are located in the diencephalon
D)control heart rate, respiration, blood pressure, and other autonomic functions

Question 27

This diencephalic structure is involved in many functions including temperature regulation, water balance, and fat and carbohydrate metabolism.

A)hypothalamus
B)thalamus
C)pineal gland
D)mammillary bodies

Question 28

Three meninges cover the brain and spinal cord. The innermost one is called the .

A)pia mater
B)dura mater
C)arachnoid mater

Question 29

Coordination of skeletal muscle activity is one of the functions of the cerebellum. Another is .

A)control of balance and equilibrium
B)processing sensory information from the integument
C)conscious control of skeletal muscle
D)relaying visual information to the primary visual cortex

Question 30

Primary somatosensory cortex as well as many other sensory functions are located in this lobe of the brain.

A)temporal
B)occipital
C)frontal
D)parietal