Neonatology

Question 1

What part of the uterus does implantation usually occur in?

Answer 1

Anterior or superior walls

Question 2

How much amniotic fluid is normal at term?

Answer 2

600mls

Question 3

Associated with Hutchinson Teeth and Mulberry Molars

Answer 3

Congenital syphilis

Question 4

How does the foraemen ovale close?

Answer 4

Foramen ovale closure - First breath -> decrease in pulmonary vasculature pressure- > left atrial pressure greater than right -> closure of foramen ovale

Question 5

How does the ductus arteriosus close?

Answer 5

Ductus arteriosus closure - First breath -> increase in oxygen -> decrease in prostaglandins -> closure of ductus arteriosus

Question 6

Origins of neural tube and nape of neck?

Answer 6

Ectoderm

Question 7

Which factors increase surfactant production?

Answer 7

Steroids and epidermal growth factor

Question 8

Which factors decrease surfactant production?

Answer 8

Testosterone and insulin