development and pregnancy II

Question 1

true or false: Circulation in the fetus and adult are different

Answer 1

true; Oxygen and nutrients are obtained from maternal blood in the placenta sin fetal digestive tract, lungs, and kidneys are not functioning

Question 2

carbon dioxide and other waste are removed from the fetus

Answer 2

by maternal blood in the placenta

Question 3

umbilical vein carries

Answer 3

O2 and nutrient- rich blood to fetus from placenta.

Question 4

Half the blood enters the _____ and half the blood enters ____ and into _____

Answer 4

liver
ductus venous
inferior vena cava

Question 5

ductus venous empties into

Answer 5

inferior vena cava

Question 6

true or false:Full blood flow through fetal liver is not necessary

Answer 6

true; Mother’sliverremoved hazardous substances before her blood enters the placenta

Question 7

Increases blood pressure in inferior vena cava and right atrium.

Answer 7

Keeps the foramen ovale open