Dermatomes and Childhood Reflexes

Question 1

C2

Answer 1

Posterior half of skull

Question 2

C3

Answer 2

High turtleneck

Diaphragm and gallbladder referred pain to the right shoulder via phrenic

Question 3

C4

Answer 3

Low collar shirt

Question 4

C6

Answer 4

Includes thumbs

thumbs up looks like a 6

Question 5

T4

Answer 5

At the nipple

T4 at the pore

Question 6

T7

Answer 6

Xiphoid process

Question 7

T10

Answer 7

At the umbilicus (belly butTEN)

important point of referred pain in early appendicitis

Question 8

L1

Answer 8

at the inguinal ligament

Question 9

L4

Answer 9

Includes the kneecaps

Down on ALL 4’s

Question 10

S2,S3,S4

Answer 10

Sensation of penile and anal zones

S2, 3, 4 keep penis off the floor

Question 11

Moro Reflex

Answer 11

Abduct/extend arms when startled then draw together

Question 12

Rooting Reflex

Answer 12

Move head toward one side if cheek or mouth is stroked

Question 13

Sucking Reflex

Answer 13

Sucking response when roof of mouth is touched

Question 14

Palmar Reflex

Answer 14

Curling of fingers if palm is stroked

Question 15

Plantar Reflex

Answer 15

Dorsiflexion of large toe and fanning of others with plantar sign (UMN lesion in adult)

Question 16

Galant Reflex

Answer 16

Stroking along one side of spine when newborn is in ventral suspension causes lateral flexion of lower body toward stimulated side