13 EOC

Question 1

What’s present in a nerve?

Answer 1

Neuron axons, Schwann cells, facicles, nodes of ranvier

Question 2

What nerve is mixed?

Answer 2

Vagus

Question 3

A nerve plexus consists of joined

Answer 3

Ventral Rami

Question 4

What isn’t needed for a spinal reflex arc?

Answer 4

Brain

Question 5

What is true about a stretch reflec?

Answer 5

Stretched muscle where reflex begins will contract, it’s monosynaptic, doesn’t require an interneuron, can lead to reciprocal inhibition of antagonist.

Question 6

What’s true about body’s largest nerve?

Answer 6

Sciatic, miced, arises from lumbar plexus, runs deep to gluteus maximus

Question 7

Cranial neve that innervates most effectors

Answer 7

Vagus

Question 8

What reflex accompanies a withdrawal reflex?

Answer 8

Crossed extensor

Question 9

What cranial nerves control eye movement?

Answer 9

Number VI, oculomotor, trochlear, number IV

Question 10

What nerves arise from brachial plexus?

Answer 10

Musculocutaneous, ulnar, median, radial

Question 11

How many cranial nerve pairs are sensory?

Answer 11

3

Question 12

Which peripheral nerves has axons passing through a plexus

Answer 12

Brachial, sciatic, femoral, musculocutaneous

Question 13

Reciprocal inhibition of the X muscles occur during a knee jerk reflex

Answer 13

Leg flexor

Question 14

X reflex follows a flexor

Answer 14

Crossed extensor

Question 15

Spinal nerves pass through the X

Answer 15

Intervertebral formina

Question 16

Pairings of cranial nerves and classification

Answer 16

XIII- Sensory
v- Mixed
II- Sensory
XII- Motor

Question 17

What cranial nerve has 5 major branches in the cephalic region

Answer 17

Facial

Question 18

What’s part of a polysynaptic reflex arc and monosynaptic reflex arc?

Answer 18

Sensory receptor, spinal cord horn, nerve, motor neuron

Question 19

Longest spinal nerve roots are

Answer 19

Inferior to conus medullaris

Question 20

A X connects a spinal nerve to the spinal cord and contains only sensory axons

Answer 20

Dorsal root

Question 21

A X reflex involves skeletal muscles

Answer 21

Somatic

Question 22

X nerves innervate the diaphragm and control breathing

Answer 22

Phrenic

Question 23

The X nerve innervates intrinsic muscles of the eye

Answer 23

Oculomotor

Question 24

The X is a connective tissue in a nerve that surrounds individual axons

Answer 24

Endoneureim

Question 25

Voluntary, skeletal muscles are not part of autonomic, aka X reflexes

Answer 25

Visceral

Question 26

The X nerve conducts sensory impulses related to hearing and balance and equilibrium

Answer 26

Vestibulocochlear

Question 27

Cranial nerves 3, 4, and X conduct impulses for eyeball movement

Answer 27

6

Question 28

Dense, irregular nerve tissue surrounding an axon within a nerve is called

Answer 28

Endoneurium

Question 29

The cranial nerve that innervates the most effectors is the X nerve

Answer 29

Vagus

Question 30

All nerve plexuses give rise to X nerves

Answer 30

Peripheral

Question 31

The stretch reflex is initiated with a receptor called a X X depolarizes to threshold

Answer 31

Muscle spindle

Question 32

T/F- impulses travel towards a spinal nerve through ventral rami

Answer 32

True

Question 33

Are cell bodies of somatic motor neurons found w/in ganglia?

Answer 33

No

Question 34

Do vagus nerve roots contain axons that pass through ventral roots?

Answer 34

No

Question 35

Does stimulating a pain receptor cause a flexor reflex?

Answer 35

YesA

Question 36

Are cevical nerves cranial nerves that innervate neck muscles?

Answer 36

No

Question 37

Do thoracic (intercostal nerves) innervate the diaphraghm?

Answer 37

No

Question 38

Do impulses passing through dorsal roots stimulate neuron dendrites in dorsal horns of the spinal cord?

Answer 38

Yes

Question 39

Do roots, rami, nerve plexuses, and ganglia only show up in PNS?

Answer 39

Yes

Question 40

Are all spinal reflexes polysynaptic?

Answer 40

No

Question 41

During reciprocal inhibition, do somatic motor neurons send impulses that hyperpolarize skeletal muscles?

Answer 41

No