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Anatomy > NERVES > Flashcards

NERVES Flashcards

1
Q

Mixed nerves

A

Motor and sensory nerves

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2
Q

Motor nerves

A

axons with only motor neurons

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3
Q

sensory nerves

A

axons with only sensory neurons

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4
Q

how many spinal nerves?

A

31 pairs

almost all are mixed

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5
Q

how many cranial nerves?

A

12 pairs

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6
Q

Spinal nerve

A

Anterior root
Posterior root
Posterior root ganglion
Spinal nerve

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7
Q

Sensory info

A

Travels into spinal cord POSTERIOR root

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8
Q

Motor info

A

travels out from spinal cord ANTERIOR root

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9
Q

Posterior horn

A

interneurons and sensory nerves

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10
Q

Lateral horn

A

autonomic motor neurons

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11
Q

Nerve plexuses

A

Brachial
Lumbar
Sacral

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12
Q

plexus

A

intertwine to create a network of nerves

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13
Q

Bracial Plexus

A

Radial nerve
Median nerve
Ulnar nerve

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14
Q

Ulnar nerve

A

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

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15
Q

Median nerve

A

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

Sensory:
some of the hand. mainly fingers

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16
Q

Radial nerve

A

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

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

17
Q

Lumbar Plexus

A

Femoral nerve & Obturator nerve

18
Q

Femoral nerve

A

MMotor:
Quar, sactorius, iliopsoas, pectineus

Sensory:
front of thigh and moving medially down to foot

19
Q

Obturator Nerve

A

Motor:
Leg adductor

Sensory:
small medial side of thight

20
Q

Sacral Plexus

A

Tibial nerve & common fibular

21
Q

Tibial nerve

A

Motor:
Back of leg
hamstring
Plantor flexors

Sensory:
BOTTOM OF FOOT

22
Q

Common fibular nerve

A

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

23
Q

Cranial Nerves

A 
Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal
24
Q

Olfactory nerve

A

CN I

Sensory: SMELL

25
Q

Optic

A

CN II

Sensory VISION

26
Q

Oculomotor

A

CN III
Motor
Move eyeballs & muscles in eyeballs

27
Q

Trochlear

A

CN IV

Muscles that move eyeballs

28
Q

Abducens

A

CN VI

muscles that move eyeballs

29
Q

Trigeminal

A

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

30
Q

Facial

A

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

31
Q

Vestibulocochlear

A

CN VIII
Sensory:
equilibrium
hearing from cochlea

32
Q

glossopharyngeal

A

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

33
Q

vagus

A

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

34
Q

accessory

A

CN XI
motor
neck and shoulder muscles

35
Q

hypoglossal

A

CN XII
Motor
muscles BELOW tongue, moving tongue

Anatomy (14 decks)

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