Superficial Reflexes

Question 1

What are the ten superficial reflexes?

Answer 1

1. Gag reflex
2. Corneal blink
3. Epigastric
4. Upper abdominal
5. Middle abdominal
6. Lower abdominal
7. cremasteric
8. Gluteal
9. Plantar
10. Anal

Question 2

What is the segmental innervation of the gag reflex?

Answer 2

CN IX & X

Question 3

What is the segmental innervation of the corneal blink reflex?

Answer 3

CN V & VII

Question 4

What is the segmental innervation of the epigastric reflex?

Answer 4

T5-T7

Question 5

What is the segmental innervation of the upper abdominal reflex?

Answer 5

T7-T9

Question 6

What is the segmental innervation of the middle abdominal reflex?

Answer 6

T9-T11

Question 7

What is the segmental innervation of the Lower abdominal reflex?

Answer 7

T11-T12

Question 8

What is the segmental innervation of the cremasteric reflex?

Answer 8

L1-L2

Question 9

What is the segmental innervation of the Gluteal reflex?

Answer 9

L4-S2

Question 10

What is the segmental innervation of the plantar reflex?

Answer 10

L4-S2

Question 11

What is the segmental innervation of the anal reflex?

Answer 11

S2-S5

Question 12

What is the Peripheral nerve of the Gag reflex?

Answer 12

CN IX & X

Question 13

What is the Peripheral nerve of the Corneal blink reflex?

Answer 13

CN V & VII

Question 14

What is the Peripheral nerve of the Epigastric reflex?

Answer 14

Intercostal

Question 15

What is the Peripheral nerve of the Upper abdominal reflex?

Answer 15

intercostal

Question 16

What is the Peripheral nerve of the middle abdominal reflex?

Answer 16

Intercostal

Question 17

What is the Peripheral nerve of the lower abdominal reflex?

Answer 17

1. Intercostal
2. Iliohypogastric
3. Ilioinguinal

Question 18

What is the Peripheral nerve of the cremasteric reflex?

Answer 18

1. ilioinguinal
2. Genitofemoral

Question 19

What is the Peripheral nerve of the gluteal reflex?

Answer 19

Inferior gluteal

Question 20

What is the Peripheral nerve of the plantar reflex?

Answer 20

Tibial

Question 21

What is the Peripheral nerve of the anal reflex?

Answer 21

Inferior hemorrhoidal

Question 22

When performing the corneal blink reflex what is the expected outcome?

Answer 22

blinking of both eyes when the cornea of one eye is touched with a cotton wisp

Question 23

what superficial reflex is associated with stimulation from the sternum towards the umbilicus?

Answer 23

epigastric reflex

Question 24

What superficial reflex is associated with stimulation from the upper abs (down and out, out and in direction)?

Answer 24

upper abdominal reflex

Question 25

What superficial reflex is associated with stimulating the skin at the level of the umbilicus from out to in, and vertical?

Answer 25

Middle abdominal reflex

Question 26

What superficail reflex involves stimulating the skin of the lower abs from an out to in direction?

Answer 26

lower abdominal reflex

Question 27

What superficial reflex should result in the umbilicus moving up and out?

Answer 27

upper abdominal reflex

Question 28

What superficial reflex should result in moving the umbilicus laterally?

Answer 28

middle abdominal reflex

Question 29

what superficial reflex should result in moving the umbilicus down and out?

Answer 29

lower abdominal reflex

Question 30

When might the cremasteric reflex be abscent?

Answer 30

1. elderly 2. hydrocele 3. varicocele

Question 31

How do you perform the test of the plantar superficial reflex?

Answer 31

stroke the plantar surface of the foot from heel to metatarsals to the big toe (in a 7 shape)

Question 32

What is the normal elicited response to the plantar reflex?

Answer 32

plantar flexion of toes and foot

Question 33

what is the abnormal response to the plantar reflex?

Answer 33

dorsiflexion of great toe and flaring of the other toes

Question 34

What is the normal elicited response to the anal reflex?

Answer 34

contracture of the external sphincter

Question 35

what could a loss of external sphincter contracture mean?

Answer 35

cauda equina syndrome

Question 36

If cauda equina syndrome or lesion of is suspected what should you do to determine the diagnosis;

Answer 36

MRI of thoracics b/c no cord in the lumbars; if there is no lesion in the thoracics do cervical MRI

Question 37

If a decrease in external sphincter contraction is unilateral vs symmetrical what should you think in terms of diagnosis?

Answer 37

unilateral = cord lesion symmetrical = brain lesion

Question 38

The babinski response is revealed with which superficial reflex test?

Answer 38

plantar