FA Peds

Question 1

Primordial atrium is divided into L and R by

Answer 1

Septa primum and secundum

Question 2

What forms the valve of the foramen ovale, wh/ closes about 3 mos after birth?

Answer 2

Septum primum

Question 3

Formamen ovale connects RA and

Answer 3

Aorta

Question 4

Failure of the foramen oval to close results in

Answer 4

ASD

Question 5

When does the foramen oval normally close?

Answer 5

By about 3 mos after birth

Question 6

The ductus venosus connects the umbilical vein with the

Answer 6

IVC

Question 7

The ductus arteriosus connects the pulmonary trunk with the

Answer 7

aorta

Question 8

When does the ductus arterious normally close?

Answer 8

within the first few days of life (PA pressure drops because the lungs expand, which reduces flow across DA, which causes it to close)

Question 9

Horseshoe kidney gets caught on the

Answer 9

IMA during ascent

Question 10

insufficient rotation fo teh midgut

Answer 10

malrotation

Question 11

incomplete separation of foregut and primitive airway

Answer 11

TEF

Question 12

failure of intestine to return to abdomen –> full thickness abdominal wall defect with extruded intestine

Answer 12

gastroschisis

Question 13

Primitave alveoli and surfactant production begin at 24 weeks, but babies born prior to X weeks need surfactant their moms need steroids

Answer 13

30

Question 14

failure of casual neural tube to close completely

Answer 14

spina bifuda

Question 15

Lecithin to sphingomyelin ratio in the amniotic fluid greater than X indicates fetal lung maturity

Answer 15

3

Question 16

Fetal portion of placenta is formed from

Answer 16

chorionic sac

Question 17

Maternal portion of placenta is derived from

Answer 17

endometrium

Question 18

What things CAN’T pass through placenta?

Answer 18

heparin and insulin

Question 19

maternal AFP is high in

Answer 19

multiple gestations, fetal neural tube defects, gastroschisis

Question 20

maternal AFP is low in

Answer 20

Down and Edwards (trisomy 18)

Question 21

Most common cause of abnormal AFP

Answer 21

incorrect dates

Question 22

Neonate w/ microcephaly, hydrocephalus, intracranial calcifications, chorioretinitis, and seizures

Answer 22

Toxo

Question 23

Neonate w/ meningoencephalitis, microcephaly, cataracts, sensorineural hearing loss, and CONGENITAL HEART DISEASE (PDA and PAS)

Answer 23

Rubella

Question 24

Neonate w/ IUGR, petechiae and purpura, jaundice, HSM, microcephaly, chorioretinitis, intracranial calcifications

Answer 24

CMV

Question 25

Neonate w/ chorioretinitis and intracranial calcificiations

Answer 25

Toxo (plus hydrocephalus) OR CMV (plus IUGR, petechiae/purpura, jaundice, HSM)

Question 26

Neonate w/ hearing loss

Answer 26

could be rubella (earlier) or CMV (later)

Question 27

Neonate w/ depressed nasal bridge, flat philtrum, long upper lip, thin vermilion border

Answer 27

FAS

Question 28

Neonate w. irritability, nasal stuffiness, coarse tremors, poor feeding, diarrhea

Answer 28

cocaine or heroin withdrawal

Question 29

High-pitched cry + irritability + tachy

Answer 29

Cocaine withdrawal

Question 30

Yawning and sneezing + irritability + tremor

Answer 30

Opiate withdrawal (heroin)

Question 31

Cocaine use is a/w

Answer 31

placental abruption

Question 32

Fetal hydratoin syndrome = IUGR, MR, dysmorphic faces, hypoplasia of nails and distal phalanges

Answer 32

Phenytoin

Question 33

Infants of narcotic abusing mothers should never be given WHAT in the delivery room bc it may precipitate seizures?.

Answer 33

Narcan (naloxone)

Question 34

Treat hyper coagulability in pregnant woman with

Answer 34

heparin, NOT warfarin

Question 35

Maternal lupus is a/w

Answer 35

first-degree AV block

Question 36

when umbilical cord is clamped and cut, absent blood flow with the umbilical vein -->

Answer 36

closure of DV

Question 37

newborn pustular rash distributed over the run, face and extremities that resolves in a week

Answer 37

erythema toxicum

Question 38

anterior fontanelle closes at

Answer 38

9-12 months

Question 39

bulging fontanelle is seen with

Answer 39

increased intracranial pressure, hydrocephalus, meningitits

Question 40

large AF with

Answer 40

hypothyroidism, OI

Question 41

absent AF with

Answer 41

craniosynostosis

Question 42

Large tongue seen with

Answer 42

hypothyroidism, Down;s, Beckwith-Widemann

Question 43

neonate with coarse facial features

Answer 43

mucopolysarccharidoses

Question 44

salt-and-pepper speckling of iris seen in Down syndrome

Answer 44

Brushfield spots

Question 45

white pupil is called

Answer 45

leukocoria

Question 46

compare brachial with femoral pulse to r/o aortic arch obstruction such as

Answer 46

AS, coarctation (femoral pulses will be weak or absent)

Question 47

umbilical cord should have how many vessels?

Answer 47

3! two umbilical arteries and one umbilical vein

Question 48

macrosomic infants have BW >

Answer 48

4 kg

Question 49

ddx LGA

Answer 49

diabetic mother, postmature, Beckwith-Wiedermann syndrome, constitutional

Question 50

Which can cross suture lines - caput or cephalo?

Answer 50

CAPUT CAN CROSS SUTURE LINES

Question 51

area of edema over the presenting portion of the scale during a vertex delivery; a/w bruising and petechiae, can cross suture lines

Answer 51

Caput succedaneum