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Anatomy Final Exam !!!! > Chapter 14/15/16 : Peripheral NS > Flashcards

Chapter 14/15/16 : Peripheral NS Flashcards

0
Q

what are the types of nerves that may be found?

A

mixed, motor, sensory

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1
Q

what is inside a nerve?

A

organized bundles of axons

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2
Q

what are nerves called that are connected to the spinal cord?

A

spinal nerves

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3
Q

how many spinal nerves are there?

A

31 pairs

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4
Q

nerves that connect to the brain or brainstem are called what?

A

cranial nerves

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5
Q

how many cranial nerves are there?

A

12 pairs

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6
Q

almost all the nerves in the spinal cord are what kind of nerves?

A

mixed

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7
Q

what are the components of spinal nerve attachments?

A
  • anterior and posterior root
  • posterior root ganglion
  • spinal nerve
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8
Q

what are the connections between spinal nerves called?

A

ganglion of sympathetic chain

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9
Q

what connects the ganglion of sympathetic chains to the spinal nerve that are only found on spinal nerves in thoracic regions.

A

rami communicantes

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10
Q

sensory information travels into the spinal cord along what?

A

posterior root

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11
Q

motor information travels out from the spinal cord along what?

A

anterior root

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12
Q

what neurons come from the lateral horn in the spine?

A

autonomic motor neurons

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13
Q

what neurons come from the posterior horn?

A

interneurons and sensory axons

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14
Q

what neurons comes from the anterior horn?

A

somatic motor neurons

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15
Q

spinal nerves in certain areas of spinal cord intertwine to create a network called a ___

A

plexus

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16
Q

what are the three major plexus that we are going to focus on?

A
  • brachial plexus
  • lumbar plexus
  • sacral plexus
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17
Q

what are the major nerves we need to know in the brachial plexus?

A
  • radial nerve
  • median nerve
  • ulnar nerve
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18
Q

what is movements/muscles innervated by the ulnar nerve?

A
  • mostly hand muscles

- a few finger/wrist flexors

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19
Q

what are the cutaneous (sensory) innervations of the ulnar nerve?

A

medial third of hand, little finger, and medial half of ring finger

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20
Q

what is movements/muscles innervated by the median nerve?

A
  • forearm pronators
  • wrist flexors
  • finger flexors
  • thumb movers
21
Q

what cutaneous (sensory) innervation are controlled by the median nerve?

A
  • lateral two thirds of palm
  • thumb
  • lateral half of the ring finger
  • dorsal tips of the same finger
22
Q

what is movements/muscles innervated by the radial nerve?

A
  • triceps brachii (all heads)
  • wrist extenders
  • finger/thumb extenders
  • supinator
  • brachioradialis
23
Q

what cutaneous (sensory) innervations does the radial nerve control?

A
  • posterior surface of arm and forearm

- lateral two-thirds of dorsum of hand

24
Q

what main nerves do we need to know in the lumbar plexus?

A
  • femoral nerve
  • obturator nerve
  • saphenous nerve (continuation of femoral nerve)
25
Q

what is movements/muscles innervated by the femoral nerve?

A
  • quadriceps muscles
  • sartorius
  • Iliopsoas
  • pectineus
26
Q

what are the cutaneous (sensory) innervations of the femoral nerve?

A
  • anterior lateral branches supply the anterior and lateral thigh
  • saphenous branch supplies the medial leg and foot
27
Q

what is movements/muscles innervated by the obturator plexus

A

leg adductors (except pectineus)

28
Q

what are the cutaneous (sensory) innervations from the obturator nerve?

A

superior medial side of thigh

29
Q

what are the main nerves we need to know from the sacral plexus?

A
  • sciatic nerve
  • common fibular nerve
  • tibial nerve
30
Q

the common fibular nerve and the tibial nerve are both divisions of what nerve?

A

sciatic

31
Q

what is movements/muscles innervated by the tibial nerve?

A
  • hamstring muscles (except short head of biceps femoris
  • plantarflexors (gastrocnemius, soleus, Tibialis posterior)
  • toe flexors
32
Q

what is the cutaneous (sensory) innervations by the tibial nerve?

A

sole of foot

33
Q

what is movements/muscles innervated by the common fibular nerve?

A
  • short head of the biceps femoris
  • fibularis muscles
  • tibialis anterior
  • toe extensors
34
Q

what cutaneous (sensory) innervations are controlled by the common fibular nerve?

A
  • lateral surface of knee
  • dorsal anterior third of leg and dorsum of foot
  • great and second toe
35
Q

what are the types of cranial nerves?

A

sensory
motor
mixed

36
Q

what are the names of all the cranial nerves?

A 
I olfactory nerve
II optic
III oculomotor
IV trochlear 
V trigeminal 
VI abducens
VII facial  
VIII vestibulocochlear 
IX glossopharyngeal 
X vagus
XI accessory 
XII hypoglossal
37
Q 
for each of the nerves, tell wether that are sensory, motor, or both. 
I olfactory nerve
II optic
III oculomotor
IV trochlear 
V trigeminal 
VI abducens 
VII vestibulocochlear 
IX glossopharyngeal 
X vagus
XI accessory 
XII hypoglossal
A 
I - sensory 
II - sensory 
III - motor
IV - motor 
V - both 
VI - motor
VII - both 
VIII - sensory 
IX - both 
X - both  
XI - motor 
XII - motor
38
Q

__ are sensory fibers that transmit impulses associated with the sense of smell

A

I olfactory nerve

39
Q

__ are sensory fibers that transmit impulses associated with the sense of vision.

A

II optic nerve

40
Q

__ are motor fibers that transmit impulses to muscle that raise eyelids, move eyes, adjust the amount os light entering the eyes, focus lens

A

III oculomotor nerve

41
Q

__ are motor fibers that transmit impulses to muscles that move eyes

A

IV trochlear nerve

42
Q

__ are sensory fibers transmit impulses from the surface of the eyes, tear glands, scalp, forehead, and upper eyelids. sensory fibers transmit impulses from the upper teeth, upper gum, upper lip, lining of the palate, and skin of the face. sensory fibers transmit impulses from the skin of the jaw, lower teeth, lower gum, and lower lip.

A

V trigeminal nerve

43
Q

__ are motor fibers that transmit impulses to muscles that move the eyes

A

VI abducens

44
Q

__ are sensory fibers that transmit impulses associated with taste receptors of the anterior tongue. Motor fibers transmit impulses to muscles of facial expression, tear glands, and salivary glands.

A

VII facial nerve

45
Q

__ are sensory fibers that transmit impulses associated with the sense of equilibrium. sensory fibers transmit impulses associated with the sense of hearing.

A

VIII vestibulocochlear nerve

46
Q

__ are sensory fibers that transmit impulses from the pharynx, tonsils, posterior tongue, and carotid arteries. motor fibers transmit impulses to muscle of the pharynx used in swallowing and to salivary glands

A

IX glossopharyngeal nerve

47
Q

__ are somatic motor fibers that transmit impulses to muscles associated with speech and swallowing ; autonomic motor fibers transmit impulses to the heart, smooth muscles, and glands in the thorax and abdomen. sensory fibers transmit impulses from the pharynx, larynx, esophagus, and viscera of the thorax and abdomen.

A

X vagus nerve

48
Q

__ are motor fibers that transmit impulses to muscles of the soft palate, pharynx, and larynx and to the muscles of the neck and back.

A

XI accessory nerve

49
Q

__ are motor fibers that transmit impulses to muscles that move the tongue.

A

XII hypoglossal

Anatomy Final Exam !!!! (5 decks)

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