Lab Final

Question 1

effect of increasing stimulus voltage on isolated skeletal muscle

Answer 1

increased stimulus=increased active force produced by the muscle

Question 2

treppe

Answer 2

when muscle comes to rest before contracting again but each contraction is stronger than the next

Question 3

wave summation

Answer 3

rapid stimulation without full rest in between

Question 4

unfused tension

Answer 4

incomplete tetanus

Question 5

fused tension

Answer 5

complete tetanus

Question 6

what happens to force when muscle fatigues

Answer 6

decline in maximal force of muscle

Question 7

what are major causes of fatigue

Answer 7

ion imbalance
accumulation of lactic acid in muscle

Question 8

isometric contraction

Answer 8

muscle remains same length as tension is produced

Question 9

isotonic contraction

Answer 9

muscle shortens when tension is produced

Question 10

white matter in brain location

Answer 10

inner

Question 11

grey matter in brain

Answer 11

outer

Question 12

white matter

Answer 12

fast signaling

Question 13

grey matter

Answer 13

slower

Question 14

meninges of brain

Answer 14

pia mater
arachnoid mater
dura mater

Question 15

nerve coverings

Answer 15

group of axons covered by fascicle
group of fascicles covered by perineurium
bundles of fascicles and blood vessels covered by epineurium

Question 16

grey matter vertebrae location

Answer 16

inner

Question 17

white matter vertebrae location

Answer 17

outer

Question 18

dorsal horn of spinal cord

Answer 18

sensory information from periphery

Question 19

ventral horn of spinal cord

Answer 19

where motor output originates

Question 20

lesser occipital nerve serves

Answer 20

skin of posterolateral aspect of neck

Question 21

greater auricular nerve serves

Answer 21

skin of ear and skin of parotid gland

Question 22

transverse cervical nerve serves

Answer 22

skin of anterolateral aspect of neck

Question 23

supraclavicular nerve serves

Answer 23

skin of shoulder and clavicular region

Question 24

ansa cervicalis nerve serves

Answer 24

infrahyoid muscles

Question 25

segmental branches nerve serves

Answer 25

deep muscles of neck

Question 26

phrenic nerve serves

Answer 26

diaphragm

Question 27

axillary nerve serves

Answer 27

deltoid

Question 28

musculocutaneous nerve serves

Answer 28

flexor muscles of arm

Question 29

median nerve serves

Answer 29

flexor muscles, palm and digital muscles

Question 30

ulnar nerve serves

Answer 30

flexor carpi ulnaris, intrinsic hand muscles

Question 31

radial nerve serves

Answer 31

posterior muscles of hand and forearm

Question 32

dorsal scapular nerve serves

Answer 32

levator scapulae

Question 33

long thoracic nerve serves

Answer 33

serratus anterior

Question 34

subscapular nerve serves

Answer 34

teres major, subscapularis

Question 35

suprascapular nerve serves

Answer 35

supraspinatus, infraspinatus

Question 36

pectoral nerve serves

Answer 36

pectoralis major and minor

Question 37

illiohypogastric nerve serves

Answer 37

skin of lower abdomen and hip

Question 38

ilioinguinal nerve serves

Answer 38

skin of external genetalia

Question 39

genitofemoral nerve serves

Answer 39

skin of external genitalia

Question 40

lateral femoral cutaneous nerve serves

Answer 40

skin of lateral thigh

Question 41

obturator nerve serves

Answer 41

muscles of medial thigh

Question 42

femoral nerve serves

Answer 42

skin of anterior medial thigh

Question 43

sciatic nerve serves

Answer 43

tibial: skin of posterior leg common fibular: skin of anteriolateral leg

Question 44

superior gluteal nerve serves

Answer 44

gluteus medius/minimus

Question 45

inferior gluteal nerve serves

Answer 45

gluteus maximus

Question 46

posterior femoral cutaneous nerve serves

Answer 46

skin of butt, posterior thigh

Question 47

pudendal nerve serves

Answer 47

skin of external genitalia

Question 48

origin of parasympathetic

Answer 48

brain stem, sacral region

Question 49

origin of sympathetic

Answer 49

lateral horns of gray matter in thoracic and lumbar

Question 50

location of parasympathetic ganglia

Answer 50

close to target organ

Question 51

location of sympathetic ganglia

Answer 51

close to spinal cord

Question 52

length of parasympathetic axons

Answer 52

long preganglionic short postganglionic

Question 53

length of sympathetic axons

Answer 53

short preganglionic long postganglionic

Question 54

parasympathetic branching

Answer 54

minimal

Question 55

sympathetic branching

Answer 55

extensive

Question 56

functional role of parasympathetic syst

Answer 56

rest and digest

Question 57

functional role of sympathetic syst

Answer 57

fight or flight

Question 58

neurotransmitter of parasympathetic

Answer 58

acetylcholine

Question 59

neurotransmitter of sympathetic

Answer 59

pre- ACh post- ACh, epinephrine, norepinephrine

Question 60

effect of parasympathetic

Answer 60

specific, local

Question 61

effect of sympathetic

Answer 61

widespread

Question 62

cervical plexus

Answer 62

lesser occipital 2-3 greater auricular 2-3 transverse cervical 2-3 supraclavicular 3-4 segmental branches 1-5 phrenic 3-5

Question 63

brachial plexus

Answer 63

auxillary C5-6 musculocutaneous C5-7 ulnar C8-T1 radial C5-8, T1 median C8-T1, C5-7 dorsal scapular C5 long thoracic C5-7 Subscapular C5-6 suprascapular C5-6 pectoral C5-T1

Question 64

lumbar plexus

Answer 64

iliohypogastric L1 ilioinguinal L1 genitofemoral L1-2 lateral femoral cutaneous L2-3 obturator L2-4 Femoral L2-4

Question 65

Sacral plexus

Answer 65

sciatic L4-S3 superior gluteal L4-S1 inferior gluteal L5-S3 posterior femoral cutaneous S1-3 pudendal S2-4

Question 66

cranial nerves

Answer 66

olfactory optic oculomotor trochlear trigeminal abducens facial vestibulocochlear glossopharyngeal vagus accessory hypoglossal