Neurology

Question 1

when does anterior fontanelle closes

Answer 1

9-18 mo

Question 2

when does posterior fontanelle closes?

Answer 2

6-8 weeks

Question 3

CN1 can be tested as early as?

Answer 3

32 wks AOG

Question 4

muscle tone in 28 weeks

Answer 4

all 4 extremities are extended

Question 5

muscle tone in 32 weeks

Answer 5

flexor tone in lower extremities

Question 6

muscle tone in 36 weeks

Answer 6

flexor tone in upper extremities

Question 7

muscle tone in normal term

Answer 7

flexion of all 4 extremities

Question 8

muscle tone in neonates

Answer 8

postural tone

Question 9

what are the 3 test for postural tone in neonates

Answer 9

traction response, vertical response and horizontal response

Question 10

how to do traction response? and what is the normal reaction?

Answer 10

examiner grasps infant’s hands and pulls infant to sitting position. Normal: head lags slightly behind body and then falls forward upon reaching sitting position

Question 11

how to do vertical suspension? normal response?

Answer 11

examiner holds infant by axilla without gripping thorax. Normal: infant remains suspended, lower extremity in flexion

Question 12

how to do horizontal suspension? normal response?

Answer 12

examiner holds infant prone by placing hand under abdomen. Normal: head rises, limbs flex

Question 13

what is called by initial resistance to passive motion followed by sudden release (clasp-knife phenomenon)

Answer 13

spacticity

Question 14

what is the resistance to passive movement equal in flexor and extensors (lead pipe)

Answer 14

rigidity

Question 15

age of infants where they can have 5-10 clonus

Answer 15

younger than 3 months

Question 16

1+ to 3+ reflex may be normal as long as

Answer 16

symmetrical

Question 17

what is the extension of great toe, fanning out of remaining toes

Answer 17

babinski