Pediatrics: Active Recall

Question 1

When does surfactant production begin? Appear in amniotic fluid? Achieve mature levels?

Answer 1

20 wk AoG
24-32 wk AoG
35 wk AoG

Question 2

These are vesiculopustular lesions found in neonates which contain eosinophils.

Answer 2

Erythema toxicum

Question 3

Mottled appearance of neonatal skin when subjected to cold temperatures

Answer 3

Cutis marmorata

Question 4

What is the enzyme that is deficient in phenylketonuria?

Answer 4

Phenylalaphrine hydroxylase

Question 5

Enumerate the six diseases included in the original newborn screening package.

Answer 5

Mnemonic: C2G2PM
CAH
Congenital hypothyroidism
Galactosemia
G6PD Deficiency
Phenylketonuria
MSUD

Question 6

Which essential amino acid causes the maple syrup odor of urine in MSUD?

Answer 6

Isoleucine

Question 7

Most commonly deficient enzyme in Galactosemia

Answer 7

Galactose-1-phosphate uridyltransferase deficiency

GALT

Question 8

Galactosemia patients presenting with cataracts are deficient of this enzyme

Answer 8

Galactokinase (GALK)

Question 9

Hydrocoeles resolve at what age?

Answer 9

12mos

Question 10

Where does fluid accumulate in hydrocoele?

Answer 10

Tunica vaginalis

Question 11

Cut-off age for undescended testes after which it is unlikely to descend

Answer 11

4 mos

Question 12

Most common cause of jaundice in neonates

Answer 12

Physiologic jaundice

Question 13

Immunoglobulin found in breastmilk

Answer 13

IgA

Question 14

Whey to Casein ration in mature human milk

Answer 14

3:2

Question 15

Oval or triangular spot of keratinized epithelium in

the conjunctiva

Answer 15

Bitot spot