Hello students, our next topic for the given MCQ is ‘PLACENTA’. An organ that connects the foetus is called as Placenta. It connects foetus via the umbilical cord to the uterine wall of the mother. The exchange between the maternal and fetal blood takes place here. The placenta provides oxygen and required nutrients to the foetus. Also the waste material such as takes away from the foetus.
When the fertilized egg have total sixteen cells then it is called as morula. The next dividation to form a structure is called as Blastula and when the blastocyst reaches the uterus it just floats around for a few days. The trophoblasts will form the placenta and blood vessels that will nourish baby.
The MCQ below will give more required information about the MCQ.
MCQ.1): The placenta or umbilical cord both are ………………………..……. for substances between the mother and the foetus.
a) Nervous system
b) Transporting system
c) Spiracle system
d) Digestive gland
MCQ.2): In Endometrium of gravid uterus, the part which forms maternal placenta is …………………………………
a) Decidua reflexa
b) Decidua parietalis
c) Decidua capsularis
d) Decidua basalis
MCQ. 3): The …………………………………will increase in number, enlarge, branch and form the fetal part of the placenta.
a) Yolk plate
b) Villous chorion
c) Maternal larvae
d) Patternal yolk
MCQ.4): After the ….……………………… placenta is always inspected for missing cotyledons.
a) Birth
b) Period
c) Culture
d) Ingestion
MCQ.5): The placenta and foetal membranes that are expelled are known as …………………………………….
a) After birth
b) Secundina
c) Only a) and b)
d) Adenexa
MCQ.6): Umbilical cord blood is also known as ……………………………………
a) Period blood
b) Placental blood
c) After birth bleeding
d) Last period blood
MCQ.7): …………………………………..Is the rich source of stem cells when compared to adult stem cells.
a) Cellular blood
b) Tissue blood
c) Bone marrow blood
d) Umbilical cord blood
MCQ.8): The stem cells which contains cord blood is sent for the processing and preservation either in private or public place and that place is ………………………..
a) Blood bank
b) Cord blood bank
c) Sperm bank
d) Ovum bank
MCQ.9): When the cord blood is collected from a placenta it is called as cord blood unit and it ranges from ……………………………………….
a) 500 to 520 ml
b) 360 to 420 ml
c) 120 to 220 ml
d) 60 to 120 ml
MCQ.10): In the placenta, waste products like urea, uric acid, creatinine are excreted to maternal blood by simple diffusion and this is …………………….
a) Respiratory function
b) Excretory function
c) Nutritive function
d) Neurons function
MCQ.11): In feto-placental-maternal, the major hormone involved is ………………..
a) Insulin
b) Creatinine
c) Estrogen
d) Uric acid
MCQ.12: The period from the fertilization to birth is ……………………………….
a) Pregnancy
b) Fertilization
c) Blastulation
d) Gastrulation
Answer
1)b) Transporting system
2) d) Decidua basalis
3) b) Villous chorion
4) a) Birth
5) c) Only a) and b)
6) b) Placental blood
7) d) Umbilical cord blood
8) b) Cord blood bank
9) d) 60 to 120 ml
10) b) Excretory function
11)c) Estrogen
12) a) Pregnancy