ABCP BOARD EXAM TEST QUESTION WITH VERIFIED SOLUTIONS 100% LATEST UPDATE 2023

What good substances cross the placental membrane? O2, CO2, H2O, bilirubin, maternal serum proteins, RBc, IgG, IgA What harmful substances cross the placental membrane? 1) viruses: rubella, HIV, measles, oral conraception, WARFARIN, DILANTIN, Xanax, cocaine, heroin, RH-antibodies What does not cross the placental membrane? maternal chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria Which vessel supplies blood to the fetus? umbilical vein Which vessels return blood from the fetus? umbilical arteries The development of the IV septum begins when? 27th day of gestation the blood begins to circulate in the cardiac system by when? by end of 3rd week The division of the truncus arteriosus occurs when? 28th day of gestation Growthof the atrial septum primum (heart folding) occurs when? 4th week The aortic formation occurs when?