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FA - Neurology > Neuro13 > Flashcards

Neuro13 Flashcards

Dermatomes Reflexes Primitive Reflexes

1
Q

Dermatome:

- C2

A

Posterior half of a skull “cap”

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2
Q

Dermatome:

- C3

A

High turtleneck shift

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3
Q

Dermatome:

- C4

A

Low-collar shirt

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4
Q

Dermatome:

- T4

A

Nipple

“T4 at the teat pore”

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5
Q

Dermatome:

- T7

A

Xiphoid process

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6
Q

Dermatome:

- T10

A

Ubilicus

“T10 at the belly butTEN”

*important for early appendicitis pain referral

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7
Q

Dermatome:

- L1

A

Inguinal Ligament

“L1 is IL (inguinal ligament)”

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8
Q

Dermatome:

- L4

A

Includes Kneecaps

“down on ALL 4’s (L4)

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9
Q

Dermatome:

- S2, S3, S4

A

Erection and sensation of penile and anal zones

“S2,3,4 keep the penis off the floor”

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10
Q

Dermatome:

- Xiphoid process

A

T7

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11
Q

Dermatome:

- High Turtleneck shirt

A

C3

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12
Q

Dermatome:

- Kneecaps

A

L4

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13
Q

Dermatome:

- Inguinal Ligament

A

L1

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14
Q

Dermatome:

- Posterior half of a skull “cap”

A

C2

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15
Q

Dermatome:

- Umbilicus

A

T10

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16
Q

Dermatome:

- Low collar shirt

A

C4

17
Q

Dermatome:

- Nipple

A

T4

18
Q

Dermatome:

- Erection and sensation of penile and anal zones

A

S2,S3,S4

19
Q

Clinical Reflexes:

- Biceps

A

C5 nerve root

20
Q

Clinical Reflexes:

- Triceps

A

C7 nerve root

21
Q

Clinical Reflexes:

- Brachioradialis

A

C6 nerve root

22
Q

Clinical Reflexes:

- Patella

A

L4 nerve root

23
Q

Clinical Reflexes:

- Achilles

A

S1 nerve root

24
Q

What is the pathway of the reflex arc tested by clinical reflexes?

A

1-Muscle stretch (hammer hitting tendon)
2-Intrafusal stretch (regulates muscle length)
3-Stimulates 1a Afferent (carries impulse to Dorsal Horn)
4-Synapses on alpha-motor neuron
5-Reflex Extrafusal contraction

25
Q

What are primitive reflexes?

A

CNS reflexes that are present in a healthy infant, but absent in a neurologically intact adult

*Normally disappear within 1st year of life

26
Q

Moro reflex =

A

“Hang on for life” reflex

Abduct/Extend limbs when started, and then draw together

27
Q

Rooting reflex =

A

“Nipple Seeking”

Movement of head toward one side if cheek or mouth is stroked

28
Q

Sucking reflex =

A

Sucking response when roof of mouth is touched

29
Q

Palmar reflex =

A

Curling of fingers if palm is stroked

30
Q

Plantar reflex =

A

Dorsiflexion of large toe and fanning of other toes with plantar stimulation

*Babinski sign – presence of this reflex in an adult, signifies UMN lesion

31
Q

Galant reflex =

A

Stroking along one side of spine while newborn is in ventral suspension (face-down) causes lateral flexion of lower body toward stimulated side

FA - Neurology (22 decks)

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