Gestational ages of development

Question 1

Gestational ages of development of TEF (most common type and symptoms?)

Answer 1

4th week

MC is proximal blind pouch and distal TEF - see distended abdomen, hypersalivation

Question 2

Gestational ages of development of Malro

Answer 2

between 6-12th week

Question 3

Gestational ages of development of Bronchopulmonary sequestration

Answer 3

embryonic or pseudoglandular

Question 4

Gestational ages of development CPAM

Answer 4

pseudoglandular

Question 5

Gestational ages of omphalocele/gastroschisis

Answer 5

10th week

Question 6

Abdominal contents return to abdomen at what gestational age?

Answer 6

10th week

Question 7

When does the fetal thyroid begin hormone synthesis

Answer 7

13-14 weeks (T3 and T4)

Question 8

Virilization complete at what gestational age?

Answer 8

12 weeks

Question 9

When do the testes descend?

Answer 9

28 weeks

Question 10

Heart starts beating?
When does septation occur?
When does heart formation complete?

Answer 10

3rd week
3rd-5th week
8 weeks

Question 11

Alveolar capillary dysplasia forms at what lung stage?

Answer 11

canalicular (when angiogenesis starts)

Question 12

What two reflexes are present around 36 weeks?

Answer 12

Tonic neck and placing/stepping

Question 13

CDH?

Answer 13

pseudoglandular (CeuDoglandular)

Question 14

when do terminal bronchioles finish branching?

Answer 14

17th week

Question 15

when do respiratory bronchioles finish branching?

Answer 15

3 years

Question 16

when do most alveoli develop?

Answer 16

term - 8 years

Question 17

what are reflexes early to disappear?

Answer 17

crossed extensor, placing/stepping

Question 18

When does myelomeningocele happen?

Answer 18

3-4 weeks