NERVES

Question 1

Mixed nerves

Answer 1

Motor and sensory nerves

Question 2

Motor nerves

Answer 2

axons with only motor neurons

Question 3

sensory nerves

Answer 3

axons with only sensory neurons

Question 4

how many spinal nerves?

Answer 4

31 pairs

almost all are mixed

Question 5

how many cranial nerves?

Answer 5

12 pairs

Question 6

Spinal nerve

Answer 6

Anterior root
Posterior root
Posterior root ganglion
Spinal nerve

Question 7

Sensory info

Answer 7

Travels into spinal cord POSTERIOR root

Question 8

Motor info

Answer 8

travels out from spinal cord ANTERIOR root

Question 9

Posterior horn

Answer 9

interneurons and sensory nerves

Question 10

Lateral horn

Answer 10

autonomic motor neurons

Question 11

Nerve plexuses

Answer 11

Brachial
Lumbar
Sacral

Question 12

plexus

Answer 12

intertwine to create a network of nerves

Question 13

Bracial Plexus

Answer 13

Radial nerve
Median nerve
Ulnar nerve

Question 14

Ulnar nerve

Answer 14

Motor:
hand muscles, a few finger flexors

Sensory:
skin on 1/2 of hand
temperature, pain, touch sensations start there then travel ulnar nerve to spinal cord and then to brain

Question 15

Median nerve

Answer 15

Motor:
forearm. pronation, wrist flexors, finger flexors, thumb movers

Sensory:
some of the hand. mainly fingers

Question 16

Radial nerve

Answer 16

Motor:
supinator, wrist extenders, thumb extenders, trcieps, brachiaradilis

Sensory:
Skin on back of arm, triceps, hand, knuckles

Question 17

Lumbar Plexus

Answer 17

Femoral nerve & Obturator nerve

Question 18

Femoral nerve

Answer 18

MMotor:
Quar, sactorius, iliopsoas, pectineus

Sensory:
front of thigh and moving medially down to foot

Question 19

Obturator Nerve

Answer 19

Motor:
Leg adductor

Sensory:
small medial side of thight

Question 20

Sacral Plexus

Answer 20

Tibial nerve & common fibular

Question 21

Tibial nerve

Answer 21

Motor:
Back of leg
hamstring
Plantor flexors

Sensory:
BOTTOM OF FOOT

Question 22

Common fibular nerve

Answer 22

Motor:
Front of leg, biceps femoris, fibularis muscles, tibias anterior, toe extenders

Sensory:
bottom half of leg, lateral area & front area and top of foot

Question 23

Cranial Nerves

Answer 23

Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal

Question 24

Olfactory nerve

Answer 24

CN I

Sensory: SMELL

Question 25

Optic

Answer 25

CN II | Sensory VISION

Question 26

Oculomotor

Answer 26

CN III Motor Move eyeballs & muscles in eyeballs

Question 27

Trochlear

Answer 27

CN IV | Muscles that move eyeballs

Question 28

Abducens

Answer 28

CN VI | muscles that move eyeballs

Question 29

Trigeminal

Answer 29

CN V Sensory: info from head & face Motor: chewing

Question 30

Facial

Answer 30

CN VII Sensory: tongue, anterior, taste touch temp Motor: facial expression

Question 31

Vestibulocochlear

Answer 31

CN VIII Sensory: equilibrium hearing from cochlea

Question 32

glossopharyngeal

Answer 32

CN IX Sensory: 1/3 posterior tongue: taste touch temp Motor: throat muscles, swallowing

Question 33

vagus

Answer 33

CN X Sensory: pharynx, larynx, esophagus, & viscera of the thorax and abdomen Motor: Swallowing, autonomic info: heart, smooth muscle, glands

Question 34

accessory

Answer 34

CN XI motor neck and shoulder muscles

Question 35

hypoglossal

Answer 35

CN XII Motor muscles BELOW tongue, moving tongue