Biology

Pregnancy and Childbirth

964 Questions

This hub covers essential biology questions on pregnancy, fetal development, and childbirth. Topics include the placenta, maternal physiology, and the stages of labor. These concepts are frequently tested in general science sections of various competitive examinations.

Placenta and fetal nutritionStages of laborMaternal immune systemPregnancy complications

Pregnancy and Childbirth Questions

Multiple choice

Consider the following statements: (a) The main blood vessel from placenta enter the foetus through a thick cord called umbilical cord. (b) Menstruation is also called weeping of uterus for the lost ovum. (c) Labia minora fuses posteriorly to form a membranous fold called fourchette. Which of the above statements is / are incorrect?

  1. Only (b) and (c)

  2. Only (a) and (b)

  3. Only (a) and (c)

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Statement (a) is correct. The main blood vessel from placenta enter the foetus through a thick cord called umbilical cord. Statement (b) is correct. Menstruation is also called weeping of uterus for the lost ovum. Statement (c) is correct. Labia minora fuses posteriorly to form a membranous fold called fourchette. All the three statements are correct.

Multiple choice

Expand the term MTP.

  1. Medical treatment of patient

  2. Medical termination of pregnancy

  3. Medical treatment of pregnancy

  4. Method of treatment of pregnancy

  5. Method of termination of pregnancy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is the correct full form of MTP.

Multiple choice

When can Erythroblastosis foetalis occur?

  1. Man is Rh positive and woman is Rh negative

  2. Man is Rh positive and woman is Rh positive

  3. Man is Rh negative and woman is Rh negative

  4. Man is Rh negative and woman is Rh positive

  5. Blood group of the man is O positive
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Erythroblastosis foetalis can occur when man is Rh positive and woman is Rh negative.

Multiple choice

In which of the following techniques do eggs and sperm are collected and injected directly into the upper regions of the oviducts, where fertilization normally takes place?

  1. Gamete intrafallopian transfer (GIFT)

  2. Intracytoplasmic sperm injection (ICSI)

  3. Zygote intrafallopian transfer (ZIFT)

  4. Embryo transfer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In gamete intrafallopian transfer (GIFT)eggs and sperm are collected and injected directly into the upper regions of the oviducts, where fertilization normally takes place.

Multiple choice

Consider the following statements:

  1. Antibodies are also received by foetus from mother's milk.
  2. Antibodies are basically protein molecules.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 1 is correct. Breast milk contains antibodies and lymphocytes that help the baby to resist infections. Statement 2 is also correct. Antibiotics are mainly protein molecules.

Multiple choice

IVF technique is useful for those couples that

  1. can produce sperms but no eggs

  2. cannot produce eggs and sperms and cannot fertilise due to blocked oviducts

  3. cannot produce sperms but can produce eggs

  4. cannot produce eggs and sperms but can fertilise due to open oviducts

  5. can produce sperms and eggs but fertilisation cannot take place due to blocked oviducts.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

IVF technique is useful for those couples that can produce sperms and eggs.

Multiple choice

Which of the following events takes place during a molar pregnancy?

  1. Tumour develops into the uterus.

  2. Foetus slips into the abdominal cavity.

  3. Foetus implants inside the uterus.

  4. Two eggs are fertilised, one outside the uterus and one inside.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Molar pregnancies result in the development of a tumour in the uterus. A molar pregnancy starts when an egg is fertilised, but instead of a normal, viable pregnancy resulting, the placenta develops into an abnormal mass of cysts. Eventually, the embryo dies.

Multiple choice

Which of the following characterises dystocia?

  1. Complicated gestation period

  2. Complicated labour and delivery

  3. Complication in conceiving

  4. Complication in placenta
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dystocia is a term used for complicated labour and delivery. The baby does not exit the pelvis during childbirth due to being physically blocked. It can lead to the death of the baby and is a risk to the mother.

Multiple choice

Wertheim-Meigs operation is performed for

  1. placental tube abnormalities

  2. cervical cancer

  3. ovarian cancer

  4. removal of ovaries
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Wertheim-Meigs operation is a surgical procedure for the treatment of cervical cancer. It is performed by way of an abdominal incision.

Multiple choice

In which of the following complications of pregnancy is placenta inserted partially or wholly in the lower uterine segment?

  1. Abruptio placentae

  2. Placenta previa

  3. Placental insufficiency

  4. Placental infarction
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In placenta previa, placenta is inserted partially or wholly in the lower uterine segment. It is hypothesised to be related to abnormal vascularisation of the endometrium caused by scarring or atrophy from previous trauma, surgery or infection.