PHYS - Fertilization and Implantation Flashcards
1
Q
How many umbilical arteries are there, how many umbilical veins, and describe the blood in each
A
2 umbilical arteries carry deoxygenated blood to the placenta (artery implies direction of flow [away from heart] rather than content of blood
1 umbilical vein, carries oxgenated blood to the heart
2
Q
What molecules are passively exchanged between mother and fetus>
A
Non protein nitrogenous molecules
Lipid soluble hormones
3
Q
What molecules require trnasfer via receptro mediated endocytosis?
A
Large molecules
Peptide hormones, LDLs, antibodies
4
Q
What molecules require facilitated diffusion for transfer?
A
GLucose to the fetus
5
Q
What molecules use primary and secondary active trasnport?
A
Amina Acids
Vitamins
Minerals
