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Nervous System > Peripheral Nerves (Lec 18) > Flashcards

Peripheral Nerves (Lec 18) Flashcards

1
Q

5 principal plexuses of peripheral nervous system

A
  • cervical
  • brachial
  • lumbar
  • sacral
  • coccygeal
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2
Q
  • 5 Peripheral Nerve branches of the brachial plexus
A
  • Axillary nerve
  • Musculocutaneous nerve
  • Radial nerve
  • Median nerve
  • Ulnar nerve
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3
Q

2 peripheral nerve branches of the Lumbar plexus

A
  • Femoral nerve

- Obturator nerve

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4
Q

Peripheral nerve that arises from sacral plexuses

A
  • Sciatic nerve
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5
Q

What is A

A

Posterior ramus

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6
Q

What is B

A

Anterior ramus

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7
Q

What is C

A

Rami communicates

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8
Q

When the spinal nerves emerge from the intervertebral fomamina they divide into 3 branches:

A
  • Posterior ramus
    (Sensory & motor to posterior trunk)
  • Anterior ramus
    (sensory & motor to anterolateral trunk & limbs)
  • Rami communicates
    (Axons associated w/ autonomic nervous system)
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9
Q

Peripheral nerves are derived from various combinations of ______.

A

Spinal nerves

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10
Q

What is a plexus

A

Complex network of spinal nerves that give rise to peripheral nerves

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11
Q

Sensory/ motor distribution of Brachial plexus

A

S: upper limb

M: upper limb

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12
Q

Sensory/motor distribution of lumbar plexus

A

S: abdomen, genitals, lower limb

M: abdomen, lower limb

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13
Q

Sensory/ motor distribution of sacral plexus

A

S: genitals, lower limb

M: perineum, lower limb

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14
Q

Sensory/motor distribution of coccygeal plexus

A

S: coccygeal region

M: none

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15
Q

Sensory/ motor distribution of cervical plexus

A

S: head, neck, upper chest

M: anterior neck, diaphragm

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16
Q

Sensory/Motor distribution of Axillary nerve

A

S: skin of upper lateral & posterior arm

M: deltoid & Teres minor

17
Q

Sensory/ Motor distribution of Musculocutaneous nerve

A

S: skin of lateral forearm

M: anterior army muscles

18
Q

Sensory/motor distribution of Radial nerve

A

S: skin of lower lateral & posterior arm and posterior forearm and posterolateral hand

M: posterior arm & forearm muscles

19
Q

Sensory/Motor distribution of Median nerve

A

S: skin of the anterolateral hand

M: anterior forearm muscles & hand muscles

20
Q

Sensory/Motor distribution of Ulnar nerve

A

S: skin of the medial hand

M: anterior forearm muscles & hand muscles

*funny bone *

21
Q

Sensory/Motor distribution of the Femoral nerve

A

S: skin of the anterior thigh and skin of medial thigh & medial leg/foot

M: anterior thigh muscles

22
Q

Sensory/Motor distribution of Obturator nerve

A

S: skin of the medial thigh

M: medial thigh muscles

23
Q

Sensory/Motor distribution of

A
24
Q

Terminal branches of the sciatic nerve

A
  • tibial nerve
  • superficial fibular nerve
  • deep fibular nerve
25
Q

Sensory/Motor distribution of the Sciatic nerve

A

S: none

M: posterior thigh muscles

26
Q

Sensor/Motor distribution of Tibial nerve

A

S: skin of the plantar surface of the foot

M: posterior leg muscles & foot muscles

27
Q

Sensory/Motor distribution of the superficial fibular nerve

A

S: skin of the lower lateral leg & dorsal surface of foot

M: lateral leg muscles

28
Q

Sensory/Motor distribution of the Deep Fibular nerve

A

S: skin between the 1st & 2nd toes

M: anterior leg muscles

29
Q

Sensory location of the Axillary nerve

A

A

30
Q

Sensory location for the Radial nerve

A

B

31
Q

Sensory location for the Ulnar nerve

A

C

32
Q

Sensory location for the Median nerve

A

D

33
Q

Sensory location of the femoral nerve

A

B

34
Q

Sensory location of the Tibial nerve

A

E

35
Q

Sensory location of the Superficial Fibular nerve

A

C

36
Q

Sensory location of the Deep Fibular nerve

A

D

Nervous System (7 decks)

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