dermatomes and more!

Question 1

lateral shoulder

Answer 1

C5

Question 2

anterior thigh

Answer 2

L3, L4

Question 3

index, middle fingers

Answer 3

C7

Question 4

dorsal foot

Answer 4

L5

Question 5

nipple

Answer 5

T4

Question 6

ring, little fingers

Answer 6

C8, T1

Question 7

umbilicus

Answer 7

T10

Question 8

lateral foot, sole

Answer 8

S1

Question 9

thumb

Answer 9

C6

Question 10

biceps reflex

Answer 10

C5, C6

Question 11

achiles reflex

Answer 11

S1, S2

Question 12

quads (patellar knee jerk)

Answer 12

L2, L3, L4

Question 13

brachioradialis

Answer 13

C5, C6

Question 14

finger flexors

Answer 14

C8, T1

Question 15

triceps

Answer 15

C7,C8

Question 16

Interossei, flexor digitorum (finger flexors)

Answer 16

C8, T1

Question 17

Tibialis anterior (foot dorsiflexor)

Answer 17

L4, L5

Question 18

Iliopsoas (hip flexor), quadriceps

Answer 18

L2, L3, L4

Question 19

Gastrocnemius (foot plantar flexor)

Answer 19

S1, S2

Question 20

which is general and which local pain? extramedullary or intramedullary lesions of the spinal cord

Answer 20

general: intramedullary
loca: extramedullary

Question 21

A suspended pattern of deficit with sacral sparing indicates an

Answer 21

intramedullary lesion within the spinal cord itself (because sacrum is so lateral on spinal cord)

Question 22

anterior spinal artery occlusion usually happens where in spinal cord?

Answer 22

lower thoracic, upper lumbar spinal cord

Question 23

posterior lateral syndrome occurs where in spinal cord

Answer 23

thoracic

Question 24

are reflexes lost in tabes dorsalis?

Answer 24

eventually, since the afferent reflex arcs are disrupted.

Question 25

extrapyramidal system refers to mostly

Answer 25

the basal ganglia