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

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? 6-9th week The pulmonary formation occurs when? 8-12th week Growth of the septum secundum occurs when? 6th week (when PFO can occur) What is considered the embryonic period? first 2 months (1st 8 wks) What is considered the fetal period? months of development after the 2nd week How many cells are present around the morula by the end of the 3rd day of cleavage? 16 ***During the later stages of pregnancy, maternal blood is separated from frtal blood by? a)syncytiotrophoblast only b) cytotrophoblast only c) syncytioytophoblast and cytotrophoblast d) syncytiotrophoblast and fetal endothelium e) cytotrophoblast and fetal endothelium syncytiotrophoblast and fetal endothelium The maternal and fetal components of the placenta are? a) decidua basalis and secondary chorionic villi b) decidua capsularis and secondary chorionic villi c) decidua parietalis and tertiary chorionic villi d) decidua capsularis and villous chorion e) decidua basalis and villous chorion decidua basalis and villous chorion ***The intervillous space of the placenta contains? a) maternal blood b) fetal blood c) maternal and fetal blood d) amniotic fluid e) maternal blood and amniotic fluid