Nervous System

Question 1

CNS

Answer 1

brain and spinal cord

Question 2

PNS

Answer 2

nerves that extend from brain and spinal cord

Question 3

sensory (afferent) division function

Answer 3

impulses -> CNS

Question 4

motor (efferent) division function

Answer 4

CNS -> muscles + glands

Question 5

function of PNS motor division’s somatic system

Answer 5

-voluntary movement
-sends orders to skeletal muscles

Question 6

function of PNS motor division’s autonomic system

Answer 6

-involuntary movement
-sends orders to cardiac/smooth muscle and glands

Question 7

how many lobes does the brain have?

Answer 7

6

Question 8

what is the largest part of the brain?

Answer 8

cerebrum

Question 9

name the three parts of the brain stem

Answer 9

medulla oblongata, pons, midbrain

Question 10

what is the occipital lobe in charge of?

Answer 10

vision

Question 11

broca’s area

Answer 11

speech production

Question 12

wernicke’s area

Answer 12

speech comprehension

Question 13

what is the cerebellum in charge of?

Answer 13

balance

Question 14

what is the frontal lobe in charge of?

Answer 14

judgement, motor control

Question 15

what is the parietal lobe in charge of?

Answer 15

sensation

Question 16

what is the temporal lobe in charge of?

Answer 16

hearing

Question 17

name of structure that runs b/w the two hemispheres of the brain

Answer 17

longitudinal fissure

Question 18

what are the components of the diencaphalon?

Answer 18

thalamus, hypothalamus, epithalamus

Question 19

hippocampus function

Answer 19

memory and consolidation

Question 20

what can inhibit the reticular activating system (RAS)?

Answer 20

sleep, alcohol, drugs

Question 21

what does the RAS do?

Answer 21

keeps brain active, filters out ~99% of stimuli