NERVOUS SYSTEM HISTOLOGY, BRAIN, CRANIAL NERVES

Question 1

Hills create surface
area necessary for the massive amount of cerebral
cortex tissue

Answer 1

gyrus

Question 2

Valleys create surface
area necessary for the massive amount of cerebral
cortex tissue

Answer 2

sulcus

Question 3

Derives its color from unmyelinated axons

Answer 3

gray matter

Question 4

Derives its color from the myelin in the myelinated
axons;

Answer 4

white matter

Question 5

Line that separates cerebral hemispheres

Answer 5

longitudinal fissure

Question 6

Provides the primary white matter
communication link between the cerebral hemispheres

Answer 6

corpus callosum

Question 7

Anterior portion of the cerebral cortex; primarily concerned with voluntary motor functions, concentration, verbal communication, decision
making, planning and personality

Answer 7

frontal lobe

Question 8

Portion of the frontal lobe that houses the primary motor cortex, where neurons control voluntary skeletal muscle activity

Answer 8

precentral gyrus

Question 9

Boundary between frontal and parietal lobes

Answer 9

central sulcus

Question 10

Portion of the cerebral cortex involved with
general sensory functions

Answer 10

parietal lobe

Question 11

Portion of the parietal lobe that houses the primary somatosensory cortex, where neurons receive somatic sensory information from touch, pressure, pain, and temperature receptors

Answer 11

postcentral gyrus

Question 12

Boundary between parietal lobes and occipital lobe

Answer 12

parieto-occipital
sulcus

Question 13

Posterior portion of the cerebral cortex responsible for processing incoming visual information and storing visual memories

Answer 13

occipital lobe

Question 14

Boundary between frontal/parietal lobes and temporal lobe

Answer 14

lateral sulcus

Question 15

Portion of the cerebral cortex deep to the lateral
sulcus

Answer 15

insula

Question 16

Lateral portion of the cerebral cortex involved with hearing and smell

Answer 16

temporal lobe

Question 17

Thin tract of white matter involved in limbic system functions

Answer 17

fornix