lecture 10- functional anatomy of the nervous system

Question 1

portions of the CNS thst contribute to control of human movement

Answer 1

hypothalams= sleep, wake up, movement
cerebellum= recieves and processes visual information for the body in space error checker cordnation of the 4 lobes
occipital
frontal
temporal
parital

Question 2

Answer 2

Question 3

Answer 3

Question 4

Lumbar region

Answer 4

T12-S5

Question 5

cervicle region

Answer 5

C1-T4

Question 6

what is the grey matter?
purple?
white matter?

Answer 6

grey matter=body of axons
white matter= mycellium= allows action potentials to tavel quicker
purple= arachnoid CSF
Dura matter
Arachnoid
Pia matter
DAP

Question 7

2 roots that make up spinal cord pathways

Answer 7

1. motor and descending (efferent) pathways
   -pryamidal tracts
   -extrapyramidal tracts
2. sensory and assending pathways
   -dorsal column medial lemniscus system
   -spinocerebellar tracts
   -anterolateral system

Question 8

spinal nerves

Answer 8

posterior root
posterior ramus
anterior ramus
anterior root

Question 9

draw the terminla nerve branches diagram

Answer 9

remember to drink cold beer
roots
trunks
divisions
cords
terminal nerve branches
C5-T1

Question 10

brachial plexus

Answer 10

superior trunk-C5&6
middle trunk- C7
inferior trunk-C8 & T1

Question 11

brachial plexus cords

Answer 11

Question 12

brachial plexus nerve

Answer 12

musculocutaneous nerve
median nerve
axillary nerve
radial nerve
ulnar nerve

Question 13

draw the brachial plexus with nerve endings attached

Answer 13

Question 14

Answer 14

musculocutaneous

Question 15

Answer 15

axillary nerve

Question 16

Answer 16

radial nerve

Question 17

Answer 17

median nerve

Question 18

dermatones of upper limb

spinal segment/ nerve(s)
C3,C4

Answer 18

extending laterally over shoulder

descripton of deratome

Question 19

C5

Answer 19

lateral aspect of arm (superior aspect of abducted arm)

Question 20

C6

Answer 20

lateral forarm and thumb

Question 21

C7

Answer 21

middle and ring fingers (or middle three fingers) and center of posterior aspect of forearm

Question 22

C8

Answer 22

little finger, medial side of hand and forarm (interfior aspect of abducted arm)

Question 23

T1

Answer 23

medial aspect of forearm and interrior arm

Question 24

T2

Answer 24

medial aspect of superior arm and skin of axilla

Question 25

glenohumeral myotome C5

Answer 25

glenohumeral (shoulder) joint lateral rotation abduction flexion

Question 26

# myotome C6, C7, C8 glenohumeral

Answer 26

glenohumeral joint adduction medial rotation extension

Question 27

elbow joint C5, C6

Answer 27

flexion

Question 28

distal flexion extension

Answer 28

C7, C8

Question 28

wrist joint C6, C7

Answer 28

extension flexion

Question 29

elbow joint extension

Answer 29

C6, C7

Question 30

wrist pronation

Answer 30

C7, C8

Question 31

wrist supination

Answer 31

C6

Question 32

lateral abduction medial abduction

Answer 32

T1

Question 33

# name the nerve root and muscle shoulder abduction

Answer 33

C5 deltoid axiallry

Question 34

# name the nerve root and muscle elbow flexion

Answer 34

C5/C6 musculocutaneous biceps C6 brachioradialis radial

Question 35

# name the nerve root and muscle elbow extension

Answer 35

C7 tricep radial

Question 36

# name the nerve root and muscle radial wrist extension

Answer 36

C6 extensor carpi radialis loungus radial

Question 37

# name the nerve root and muscle finger extension

Answer 37

C7 extensor posterior digitorum communis interosseus nerve

Question 38

# name the nerve root and muscle finger flexion

Answer 38

C8 flexor pollicis longus+ flexoe digitorum profundus (index) anterior interossus nerve flexor digitorum profundus (ring+ little) ulnar

Question 39

# name the nerve root and muscle finger abduction

Answer 39

T1 first dorsal interosseous ulnar abductor pollicis brevis median

Question 40

# common nerve issues can be injuired with shoulder dislocation

Answer 40

axillary

Question 41

# common nerve issues can be injuired with mid-humeral fraction

Answer 41

radial

Question 42

# common nerve issues can be entrapped at the elbow or wrist

Answer 42

ulnar nerve

Question 43

# common nerve issues can be entrapped at the cubital fossa, or by pronator teres, aslo carpal tunnel

Answer 43

median nerve

Question 44

# common nerve issues can become entrapped by the coracorbrachials

Answer 44

musculocutaneous

Question 45

whats at risk during a humeral shaft fracture

Answer 45

radial nerve

Question 46

claw hand

Answer 46

lower brachia plexus injuires ulnar nerve

Question 47

waiters tip deformity

Answer 47

when the arm is medially rotated =, wrist is flexed, and fingers are bent casued by injury to the upper brachial plexus C5&C6