brain

Question 1

cns is composed of what

Answer 1

brain

spinal cord

Question 2

what are the 5 major divisions of the brain

Answer 2

cerebrum
diencephalon
basal ganglion
brainstem
cerebellum

Question 3

what is the brain composed of

Answer 3

grey matter

,white matter

Question 4

what is grey matter

Answer 4

cell bodies

Question 5

what is white matter

Answer 5

myelinated nerve fibers

Question 6

what are the brain lobes

Answer 6

frontal
temporal
occipital
parietal

Question 7

what does the frontal lobe control

Answer 7

1. intellectual function
2. awe of self, personality
3. autonomic responses related to emotion
4. primary motor function for voluntary motor activity
5. broca’s area

Question 8

where is the broca’s area located

Answer 8

frontal lobe

Question 9

where is the motor cortex (voluntary movement)

Answer 9

frontal lobe (back band)

Question 10

what is the parietal lobe control

Answer 10

sensory info such as body position, shape and texture of objects

Question 11

where is the sensory cortex located

Answer 11

parietal lobe (front band)

Question 12

what does the temporal lobe controll

Answer 12

1. written language

2. interprets auditory, visual and somatic sensory inputs that are stored in thoughts and memories

Question 13

which lobe in the intellectual area

Answer 13

frontal- awareness of self! this is why humans are special

Question 14

what is the wernicke’s area responsible for

Answer 14

comprehension of written ans spoken language

Question 15

what is the broca’s area responsible for

Answer 15

actually speaking language

Question 16

where is the wernicke’s areas located

Answer 16

temporal lobe

Question 17

what is the occipital lobe responsible for

Answer 17

1. primary visual input area

2. interprets visual info

Question 18

what are the substructurs of the diencephalon

Answer 18

thalamus
hypothalamus
epithalamus
subthalamus

Question 19

what does the thalamus do

Answer 19

relay and integration station from spinal cord to brain

Question 20

what does the hypothalamus do

Answer 20

HOMEOSTASIS

1. regulation of temp
2. hunger/ thirst
3. formation of autonomic responses
4. storage and secretion of hormones from pituitary gland

Question 21

what does the epithalamus do

Answer 21

1. contains pineal gland which causes sleepiness

2. regulates some endocrine functions

Question 22

what does the subthalamus do

Answer 22

pert of the extrapyramidal system of autonomic nervous system and basal ganglia

Question 23

what is affected with someone with parekinsons

Answer 23

1. the extraparmidal system which has to do with balance and coordination
2. substantia nigra

Question 24

where is the basal ganglia located

Answer 24

between cerebral cortex and midbrain adjacent to diencephalon

Question 25

what are the 3 components of the brainstem

Answer 25

midbrain
pons
medulla oblongata

Question 26

what is the purpose of the cerebellum

Answer 26

1. coordinating movement, equilibrium, muscle tone and proprioception

Question 27

if the right side of the cerebellum is damaged, movement of which side will be affected

Answer 27

right, same side damage- does not cross over

Question 28

the spinal cord has how many segments

Answer 28

31 segments- each giving rise to a pair of spinal nerves

Question 29

where does the spinal cord branch to lumbar and sacral

Answer 29

l1 and l2

Question 30

what is the spinal cord

Answer 30

continuation of the MO

Question 31

where does the spinal cord begin

Answer 31

at the foramen magnum and ends at the first and second lumbar vertebrae

Question 32

ascending sensory tracts to to what

Answer 32

the thalamus to parietal lobe

Question 33

cranial nerves are part of which system

Answer 33

peripheral nervous system