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Neuroscience 1B > Dermatomes > Flashcards

Dermatomes Flashcards

1
Q

1cm lateral to the occipital protuberance at the base of the skull
3cm behind the ear

A

C2

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2
Q

supraclavicular fossa at midclavicular line

A

C3

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3
Q

acromioclavicular joint

A

C4

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4
Q

Lateral (Radial) side of antecubital fossa

A

C5

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5
Q

At blood extraction area

A

C5

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6
Q

dorsal surface of proximal phalanx of thumb

A

C6

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7
Q

Dorsal surface of proximal phalanx of middle finger

A

C7

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8
Q

Dorsal surface of proximal phalanx of little finger

A

C8

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9
Q

Medial (ulnar) side of antecubital fossa;

proximally to the medial epicondyle of the humerus

A

T1

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10
Q

Axilla

A

T2

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11
Q

Third ICS

A

T3

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12
Q

Fourth ICS, at the level of the nipples

A

T4

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13
Q

Fifth ICS, between level of nipple and xiphoid process

A

T5

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14
Q

Horizontal level of the xiphoid process

A

T6

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15
Q

One quarter distance b/n level of xiphoid process and umbilicus

A

T7

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16
Q

One half of the distance b/n level of xiphoid process and umbilicus

A

T8

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17
Q

Three quarters of the distance b/n level of xiphoid process and umbilicus

A

T9

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18
Q

Horizontal level of the umbilicus

A

T10

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19
Q

Between the level of the umbilicus and inguinal ligament

A

T11

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20
Q

Inguinal ligament

A

T12

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21
Q

Key sensory points for T12 and L2

A

L1

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22
Q

Anterior medial thigh;

midpoint of the inguinal ligament and medial to epicondyle of femur

A

L2

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23
Q

Medial epicondyle of femur

A

L3

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24
Q

Medial malleous

A

L4

25
Q

Dorsum of the foot;

third metatarsophalangeal joint

A

L5

26
Q

Lateral aspect of calcaneus

A

S1

27
Q

Popliteal fossa

A

S2

28
Q

Tuberosity of the ischium

infragluteal fold

A

S3

29
Q

Perineal area; less than 1cm lateral to mucocutaneous zone

A

S4-S5

30
Q

Neck muscles

A

C1-4

31
Q

Diaphragm

A

C3-5

32
Q

Deltoid

Biceps

A

C5,6

33
Q

Extensor carpi radialis

A

C6,7

34
Q

Triceps

extensor digitorum

A

C7,8

35
Q

Flexor digitorum profundus

hand intrinsics

A

C8, T1

36
Q

Intercostals

A

T2-9

37
Q

Upper abdominals

A

T9,10

38
Q

Lower abdominals

A

T11,12

39
Q

Iliopsoas

A

L2,3

40
Q

Quadriceps

A

L3,4

41
Q

Medial hamstrings
posterior tibialis
extensor hallucis longus

A

L5, S1

42
Q

Gastrocnemius

A

S1,2

43
Q

Flexor digitorum

A

S2,3

44
Q

Bladder

lower bowel anal sphincter

A

S2-4

45
Q

Inspiration

A

C3,4,5

46
Q

Abduct arm <90 degree

Elbow flexion

A

C5,6

47
Q

Wrist extension

A

C6,7

48
Q

Elbow extension

Finger extension

A

C7,8

49
Q

Grasp

Abduct little finger

A

C8,T1

50
Q

Beevor’s sign

A

T9,10

T11,12

51
Q

Hip flexion

Cremasteric reflex

A

L2,3

52
Q

Knee extension

Knee jerk

A

L3,4

53
Q

Ankle dorsiflexion

A

L4,5

54
Q

Knee flexion
Foot inversion
Great toe extension

A

L5,S1

55
Q

Ankle plantarflexion

Ankle jerk

A

S1,2

56
Q

Clamp down during rectal exam

A

S2-4

57
Q

Sciatica

Herniated disc

A

Sacral and lumbar dermatome

58
Q

Lower back pain

A

Lumbar dermatome

59
Q

An area of the skin that is mainly supplied by a single spinal nerve (collection of axons in the PNS)

A

Dermatome

Neuroscience 1B (12 decks)

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