Chapter 14 Corrected

Question 1

The largest portion of the brain, composed of the cerebral hemispheres, includes the cerebral cortex, the basal nuclei, and the internal capsule.

Answer 1

Cerebrum

Question 2

The posterior portion of the mesencephalon, containing the cerebellar hemispheres, includes the arbor vitae, cerebellar nuclei, and cerebellar cortex.

Answer 2

Cerebellum

Question 3

The portion of the metencephalon that is anterior to the cerebellum.

Answer 3

Pons

Question 4

The most caudal of the brain regions, also called the myelencephalon.

Answer 4

Medulla Oblongata

Question 5

A division of the brain that includes the epithalamus, thalamus, and hypothalamus.

Answer 5

Diencephalon

Question 6

The midbrain; the region between the diencephalon and pons.

Answer 6

Mesencephalon

Question 7

A fluid-filled chamber; in the heart, one of the large chambers discharging blood into the pulmonary or systemic circuits; in the brain, one of four fluid-filled interior chambers.

Answer 7

Ventricles

Question 8

The isolation of the central nervous system from the general circulation; primarily the result of astrocyte regulation of capillary permeabilities.

Answer 8

Blood-Brain Barrier

Question 9

The floor of the diencephalon; the region of the brain containing centers involved with the subconscious regulation of visceral functions, emotions, drives, and the coordination of neural and endocrine function.

Answer 9

Hypothalamus

Question 10

A pair of expanded portions of the cerebrum covered in neural cortex.

Answer 10

Cerebellar Hemispheres

Question 11

The nerve fiber bundles on the ventrolateral surfaces of the mesencephalon.

Answer 11

Cerebellar Peduncles

Question 12

The group of nuclei and centers in the cerebrum and diencephalon that are involved with emotional states, memories, and behavioral drives.

Answer 12

Limbic System

Question 13

A prominent fold or ridge of neural cortex on the surfaces of the cerebral hemispheres.

Answer 13

Gyri

Question 14

A groove or furrow.

Answer 14

Sulci

Question 15

An elongated groove or opening.

Answer 15

Fissures

Question 16

Some of the neurons in the general interpretive area innervate here, also called the Broca area or the motor speech area. this center lies along the edge of the premotor cortex in the same hemisphere as the general interpretive area.

Answer 16

Speech Center

Question 17

A printed record of the brain’s electrical activity over time.

Answer 17

Electroencephalogram

Question 18

The first pair of cranial nerves, carry special sensory information responsible for the sense of smell.

Answer 18

Olfactory Nerves

Question 19

The second cranial nerve, which carries signals from the retina of the eye to the optic chiasm.

Answer 19

Optic Nerves

Question 20

Cranial nerve III, which controls the extra-ocular muscles other than the superior oblique and the lateral rectus muscles.

Answer 20

Oculomotor Nerves

Question 21

Cranial nerve IV, controlling the superior oblique muscle of the eye.

Answer 21

Trochlear Nerves

Question 22

Cranial Nerve V, which provides sensory information from the lower portions of the face (including the upper and lower jaws) and delivers motor commands to the muscles of mastication.

Answer 22

Trigeminal Nerves

Question 23

Cranial nerve VI, which innervates the lateral rectus muscle of the eye.

Answer 23

Abducens Nerves

Question 24

Are mixed nerves. The cell bodies of sensory neurons are located in the geniculate ganglia, and the motor nuclei are in the pons.

Answer 24

Facial Nerves

Question 25

Are also known as the acoustic nerves, the auditory nerves, and the state-acoustic nerves.

Answer 25

Vestibulocochlear Nerves

Question 26

Cranial nerve IX. Innervates the tongue and pharynx.

Answer 26

Glossopharyngeal Nerves

Question 27

Arise immediately posterior to the attachment of the glossopharyngeal nerves.

Answer 27

Vagus Nerves

Question 28

Leaves the cranium through the hypoglossal canal; the nerve then curves to reach the skeletal muscles of the tongue.

Answer 28

Hypoglossal Nerves