ABCP BOARD REVIEW EXAMPREP 2026
QUESTIONS AND COMPLETE VERIFIED
ANSWERS
What does not cross the placental membrane? Answer: maternal
chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria
What does not cross the placental membrane? Answer: maternal
chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria
Which vessel supplies blood to the fetus? Answer: umbilical vein
Which vessel supplies blood to the fetus? Answer: umbilical vein
Which vessels return blood from the fetus? Answer: umbilical arteries
Which vessels return blood from the fetus? Answer: umbilical arteries
The development of the IV septum begins when? Answer: 27th day of
gestation
The development of the IV septum begins when? Answer: 27th day of
gestation
,the blood begins to circulate in the cardiac system by when? Answer: by
end of 3rd week
the blood begins to circulate in the cardiac system by when? Answer: by
end of 3rd week
The division of the truncus arteriosus occurs when? Answer: 28th day of
gestation
The division of the truncus arteriosus occurs when? Answer: 28th day of
gestation
Growthof the atrial septum primum (heart folding) occurs when?
Answer: 4th week
Growthof the atrial septum primum (heart folding) occurs when?
Answer: 4th week
The aortic formation occurs when? Answer: 6-9th week
The aortic formation occurs when? Answer: 6-9th week
The pulmonary formation occurs when? Answer: 8-12th week
,The pulmonary formation occurs when? Answer: 8-12th week
Growth of the septum secundum occurs when? Answer: 6th week (when
PFO can occur)
Growth of the septum secundum occurs when? Answer: 6th week (when
PFO can occur)
What is considered the embryonic period? Answer: first 2 months (1st 8
wks)
What is considered the embryonic period? Answer: first 2 months (1st 8
wks)
What is considered the fetal period? Answer: months of development
after the 2nd week
What is considered the fetal period? Answer: months of development
after the 2nd week
How many cells are present around the morula by the end of the 3rd day
of cleavage? Answer: 16
, How many cells are present around the morula by the end of the 3rd day
of cleavage? Answer: 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 Answer: syncytiotrophoblast
and fetal endothelium
***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 Answer: 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
QUESTIONS AND COMPLETE VERIFIED
ANSWERS
What does not cross the placental membrane? Answer: maternal
chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria
What does not cross the placental membrane? Answer: maternal
chplesterol, Insulin, Succinylcholine, HEPARIN, bacteria
Which vessel supplies blood to the fetus? Answer: umbilical vein
Which vessel supplies blood to the fetus? Answer: umbilical vein
Which vessels return blood from the fetus? Answer: umbilical arteries
Which vessels return blood from the fetus? Answer: umbilical arteries
The development of the IV septum begins when? Answer: 27th day of
gestation
The development of the IV septum begins when? Answer: 27th day of
gestation
,the blood begins to circulate in the cardiac system by when? Answer: by
end of 3rd week
the blood begins to circulate in the cardiac system by when? Answer: by
end of 3rd week
The division of the truncus arteriosus occurs when? Answer: 28th day of
gestation
The division of the truncus arteriosus occurs when? Answer: 28th day of
gestation
Growthof the atrial septum primum (heart folding) occurs when?
Answer: 4th week
Growthof the atrial septum primum (heart folding) occurs when?
Answer: 4th week
The aortic formation occurs when? Answer: 6-9th week
The aortic formation occurs when? Answer: 6-9th week
The pulmonary formation occurs when? Answer: 8-12th week
,The pulmonary formation occurs when? Answer: 8-12th week
Growth of the septum secundum occurs when? Answer: 6th week (when
PFO can occur)
Growth of the septum secundum occurs when? Answer: 6th week (when
PFO can occur)
What is considered the embryonic period? Answer: first 2 months (1st 8
wks)
What is considered the embryonic period? Answer: first 2 months (1st 8
wks)
What is considered the fetal period? Answer: months of development
after the 2nd week
What is considered the fetal period? Answer: months of development
after the 2nd week
How many cells are present around the morula by the end of the 3rd day
of cleavage? Answer: 16
, How many cells are present around the morula by the end of the 3rd day
of cleavage? Answer: 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 Answer: syncytiotrophoblast
and fetal endothelium
***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 Answer: 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
