Biology

Pregnancy and Childbirth

996 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

Placentation in leguminosae is

  1. Marginal placentation

  2. Axile placentation

  3. Parietal placentation

  4. Basal placentation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ovules  are borne on the margins of the wall.

Multiple choice

Which of the following does not characterise mother-foetus Rh incompatibility problems?

  1. These can be prevented by injecting Rho-GAM into the mother's body.

  2. These are much less likely to take place during the first pregnancy of the mother.

  3. Medical treatment is about 99% effective in preventing all the related problems.

  4. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All the above statements characterise mother-fetus Rh incompatibility problems.

Multiple choice

In which of the following procedures usually a small flexible plastic tube is inserted through the vagina into the uterus?

  1. Amniocentesis

  2. Chorionic villi sampling

  3. Alpha-feto protein screening

  4. Pregnancy ultrasound
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This method is used to draw out a sample of chorion tissue for cell culturing. As with amniocentesis, ultrasound monitoring helps to prevent damage to the unborn child during the sampling procedure.

Multiple choice

Mrs. Xyz is seven months pregnant and suffering from urinary tract infection. Which of the following statements is false regarding urinary tract infection?

  1. It causes the occurrence of white cells in urine.

  2. Upper urinary tract infection is minimised during pregnancy.

  3. It can cause renal damage if it involves the kidneys.

  4. Lower urinary tract infection is a superficial infection.

  5. Staphylococcus aureus is a common cause.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The common causes of urinary tract infection are Escherichia coli, Klebsiella and Proteus species. Staphylococci are not the common cause of urinary tract infection.

Multiple choice

Gestation period is the time between

  1. birth and puberty

  2. birth and fertilisation

  3. the foetus forming and being born

  4. fertilisation and birth of the young one
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

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Multiple choice

Prenatal period is also known as

  1. post-embryonic period

  2. insemination

  3. gametogenesis

  4. embryonic period
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Includes events from the formation of embryo to the time of birth

Multiple choice

Gestation period is the time between

  1. birth of the young one and puberty

  2. birth of the young one and fertilisation

  3. foetus formation and birth of the young one

  4. fertilisation and birth of the young one
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gestation period is the time between fertilisation and birth of the young one. It usually lasts for approximately 9 months.

Multiple choice

Bulldogs have to give birth by c-section because...

  1. Their heads are too big

  2. They are too fat

  3. There is too much drool

  4. Their hip ligaments are too short
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bulldogs have been selectively bred to have large heads and narrow hips, which makes natural birth difficult and dangerous for both the mother and the puppies, necessitating C-sections.

Multiple choice

Which modality would be best to use on a pregnant client?

  1. galvanic

  2. electrolysis

  3. direct current

  4. thermolysis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Thermolysis is generally considered safer for pregnant clients because it does not involve the flow of electrical current through the body, which is a concern with galvanic or blend modalities.

Multiple choice biology reproductive health twins reproduction and modern technology stds and infertility

Read the following statements.
(i) Birth control pills are likely to cause cardiovascular problems.
(ii) A woman who substitutes or takes the place -of the real mother to nurse the embryo is called surrogate mother.
(iii) Numerous children have been produced by in vitro fertilisation but with some abnormalities.
(iv) Woman plays a key role in the continuity of the family and human species.
(v) Foetal sex determination test should not be banned.
Which of the following pair consists of incorrect statement ?

  1. (i) and (ii)

  2. (ii) and (iv)

  3. (iii) and (v)

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Numerous children have been produced by in vitro fertilisation without any abnormality. Foetal sex determination test should be banned as it is being misused for female foeticide.

Multiple choice biology chemical coordination and integration hormones of placenta coordination in human beings- chemical control endocrine system in humans

Placenta produces certain hormones.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Placenta acts as a barrier between the mother and foetus and is a temporary association between the foetal and maternal tissues. It acts as an endocrine gland and secretes hormones such as human Chorionic Gonadotropin (hCG), chorionic corticotropin, oestrogens and progesterone.

Hence, the statement given in the question is correct. So, the correct answer is 'True'