Peripartum

Question 1

How does blood get from the placenta to the fetus’ RA?

Answer 1

ductus venosus–>IVC—>RA

Question 2

Percentage of blood that crosses foramen ovale to LA–>LV—>aorta

Answer 2

66%

Question 3

Percentage of blood that supplies the pulmonary parenchyma

Answer 3

2-4%

Question 4

Allows fetal blood to bypass the lungs because of low resistance

Answer 4

ductus arteriosus

Question 5

Fetal blood vessel connecting Umbilical vein to IVC

Answer 5

ductus venosus

Question 6

Shunts highly oxygenated blood from right to left atrium

Answer 6

foramen ovale

Question 7

causes an immediate fall of blood pressure in the IVC and right atrium after birth

Answer 7

Occlusion of the placental circulation

Question 8

Result of increasing uptake of O2 by the lungs after birth

Answer 8

vasoconstriction of DA

and DV.

Question 9

Responsible for the decrease in PVR after birth

Answer 9

lung expansion

Question 10

Adult structure that is a derivative of the umbilical vein

Answer 10

ligamentum Teres

Question 11

Adult structure that is a derivative of the umbilical arteries

Answer 11

Medial umbilical ligaments

Question 12

idiopathic cardiomyopathy presenting with heart failure. Secondary to LV systolic dysfunction during the second trimester of pregnancy or up to 3 months postpartum

Answer 12

peripartum cardiomyopathy