nervous system: brain&protection of the CNS

Question 1

4 major areas of the brain

Answer 1

-cerebrum
-diencephalon
-brain stem
-cerebellum

Question 2

where is cerebrum gray and white?

Answer 2

gray on the outside and white on the inside

Question 3

cerebral cortex

Answer 3

made up of gray matter
-outermost portion of the cerebrum
white matter:
-makes up the bulk of the cerebrum
-located right below the cerebral cortex

Question 4

what are the markings of the cerebrum

Answer 4

-gyrus (convolution)
-fissures (sulci)
>central
>lateral
>longitudinal

Question 5

frontal lobe

Answer 5

-“the executive”: orders, dictates actions
-behavior
-personality
-motor control

Question 6

frontal lobe motor activity

Answer 6

-primary motor area (precentral gyrus)
-frontal eye field
-motor speech area (Broca’s are)

Question 7

motor homunculus

Answer 7

represents the amount of brain tissue that corresponds to a motor function of a particular body

Question 8

parietal lobe

Answer 8

-somatosensory area (somatic sensation)
-gustatory area (taste)

Question 9

temporal lobe

Answer 9

-auditory cortex
-gustatory area
-olfactory area

Question 10

occipital lobe

Answer 10

visual cortex