Neuromuscular Part One

Question 1

broca’s area function

Answer 1

controls motor aspect of speech

Question 2

the precentral and prefrontal cortexes are in the…

Answer 2

frontal lobe

Question 3

insula: where is it and what does it do

Answer 3

deep within lateral sulcus

associated with visceral fucntions

Question 4

what does the dura mater form

Answer 4

falx tentorium

Question 5

(carotid system)

brain blood flow starting with common carotids

Answer 5

common carotids

->

internal carotids

->

anterior/middle cerebral arteries

Question 6

what does the longititudinal cerebral fissure divide

Answer 6

two hemispheres

Question 7

sacral plexus levels

Answer 7

L4-S3

Question 8

the central sulcus divides

Answer 8

frontal

from

parietal

Question 9

afferent neurons AKA

Answer 9

sensory

Question 10

limbic system function

Answer 10

instincts and emotions (preservation of the individual)

Question 11

gyri are…

Answer 11

crests

Question 12

sulci are…

Answer 12

fissures

Question 13

occipital lobe function

Answer 13

primary visual cortex (receives/processes visual stimuli)

Question 14

Lumbar plexus levels

Answer 14

T12-L4

Question 15

brachial plexus levels

Answer 15

C5-T1

Question 16

function of prefrontal cortex

Answer 16

controls emotions and judgements

Question 17

what does the subarachnoid space contain

Answer 17

CSF

Question 18

posterior horns contain _____ neurons

Answer 18

afferent

Question 19

the cerebral hemispheres are made of

Answer 19

convolutions of gray matter

Question 20

cervical plexus levels

Answer 20

C1-C4

Question 21

broca’s area is in…

Answer 21

frontal lobe

Question 22

what is Wernicke’s area for

Answer 22

language comprehension

Question 23

Wernicke’s area is in the…

Answer 23

temporal lobe

Question 24

efferent neurons are AKA

Answer 24

motor neurons

Question 25

the type of nerve fiber that is not myelinated and is slowest conducting

Answer 25

C

Question 26

what is an action potential in terms of ions

Answer 26

more Na+ in the cell more K+ out of the cell

Question 27

the gray matter that the cerebral hemispheres are made of...

Answer 27

gyri sulci

Question 28

what is the arachnoid mater

Answer 28

delicate & vascular membrane

Question 29

what level of the spine does the spinal cord end

Answer 29

L1

Question 30

what does pia mater form

Answer 30

tela choroidea of ventricles

Question 31

what are dendrites

Answer 31

receptive surface area to receive info

Question 32

CSF functions

Answer 32

provides mechanical support (cushions brain) controls brain excitability (by regulating ionic composition) aids in exchange of nutrients and waste

Question 33

what does the third ventricle communicate with and how does it get there

Answer 33

fourth ventricle cerebral aqueduct

Question 34

(vertebrobasillar system) brain blood flow starting with subclavian arteries

Answer 34

subclavian --> vertebral arteries --> basillar artery --> PCA

Question 35

what cranial nerves are purely sensory

Answer 35

1 2 8

Question 36

three meninges of the brain

Answer 36

dura mater arachnoid mater pia mater

Question 37

function of the postcentral gyrus

Answer 37

primary sensory cortex for integration of sensation

Question 38

three main types of nerve fibers

Answer 38

A B C

Question 39

describe all types of A nerve fibers

Answer 39

Alpha - proprioception, somatic motor Beta - touch, pressure Gamma - motor to muscle spindles Delta - pain, temperature, touch

Question 40

resting membrane potential of a neuron

Answer 40

-70 mV

Question 41

temporal lobe function

Answer 41

primary auditory cortex (receives and processes auditory stimuli)

Question 42

what are axons

Answer 42

conduct impulses away from cell body

Question 43

what do the lateral ventricles communicate with and how do they get there

Answer 43

third ventricle foramen of monro

Question 44

anterior horns of the spinal cord give rise to _____ neurons

Answer 44

efferent (motor)

Question 45

where is CSF produced

Answer 45

choroid plexuses in ventricles

Question 46

function of precentral gyrus

Answer 46

primary motor cortex for voluntary muscle activation

Question 47

repolarization results from activation of ___ channels

Answer 47

K+

Question 48

what does an action potential do to the inside of the neuron

Answer 48

makes it more positive (about +35 MV when all is said and done)

Question 49

what does the lateral central fissure divide

Answer 49

temporal from frontal and parietal

Question 50

the postcentral gyrus is in...

Answer 50

the parietal lobe

Question 51

what does the PCA supply

Answer 51

brainstem cerebellum occipital lobe thalamus