Fetal circulation Flashcards
1
Q
What is the pathways of venous blood from the SVC in fetal circulation?
A
SVC to R atrium to RV to pulmonary trunk through ductus arteriosus to aorta
2
Q
What maintains a patent ductus arteriosus?
A
Prostaglandin
3
Q
What is the function of Wharton’s jelly after birth?
A
Acts as a natural clamp to constrict umbilical vessels
4
Q
What is needed to close PDA?
A
Bradykinin