LEA - Neurology Flashcards

1
Q

name the branches of the lumbar plexus and what ventral rami compose them

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2
Q

name the branches of the sacral plexus and what ventral rami compose them

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3
Q

what nerves make up the sciatic nerve?

A

tibial n & common peroneal n.

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4
Q

name the dermatomes of the anterior aspect of the lower extremity

A
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5
Q

name the dermatomes of the posterior aspect of the lower extremity

A
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6
Q

name the dermatomes of the dorsal foot

A
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7
Q

name the dermatomes of the plantar foot

A
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8
Q

what cutaneous nerve is responsible for the L4 dermatome?

A
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9
Q

what are the cluneal nerves?

A
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10
Q

what nerve roots are responsible for the knee jerk reflex?

A
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11
Q

what nerve roots are responsible for the Achilles reflex?

A
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12
Q

what is a positive Babinski sign in an adult suggestive of?

A
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13
Q

what action and muscle can test the integrity of the L4 spinal nerve?

A
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14
Q

what action and muscle can test the integrity of the L5 spinal nerve?

A
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15
Q

what action and muscles can test the integrity of the S1 spinal nerve?

A
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16
Q

all muscles of the plantar foot are innervated by branches of the lateral plantar nerve save for what muscles?

A
17
Q

a patient leans to his left side with each step forward.

what is this gait called and what side is affected?

A
18
Q

a patient presents with a gait that requires him/her to shift the trunk backward with each step forward on the affected side.

what is this gait called and what nerve is affected?

A
19
Q

a patient presents with a foot drop (or the inability to dorsiflex their foot at the ankle).

he/she can still evert their foot.

what nerve is potentially compromised?

A
20
Q

describe the cutaneous innervation to each interspace on the dorsum of the foot

A
21
Q

describe the autonomic innervation to the lower extremity

A