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

What is the most common reason for unplanned pregnancy?

  1. Lack of access to contraception

  2. Unprotected sex

  3. Adolescent pregnancy

  4. Contraceptive failure
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Unprotected sex is the most common reason for unplanned pregnancy.

Multiple choice

What is the term for the condition in which a child is born with a low birth weight, typically less than 2500 grams?

  1. Preterm birth

  2. Low birth weight

  3. Small for gestational age

  4. Intrauterine growth restriction
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Low birth weight refers to the condition in which a child is born with a low birth weight, typically less than 2500 grams, and is a major risk factor for infant mortality and long-term health problems.

Multiple choice

Which of the following is a condition in which the vertebrae fail to close completely during fetal development?

  1. Spina Bifida

  2. Scoliosis

  3. Kyphosis

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

Spina Bifida is a condition in which the vertebrae fail to close completely during fetal development. It can lead to a variety of complications, including paralysis, incontinence, and learning disabilities.

Multiple choice

Under the Medical Termination of Pregnancy Act, 1971, when is abortion legally permissible in India?

  1. Only in cases of rape or incest

  2. Only to save the life of the mother

  3. Only up to 12 weeks of pregnancy

  4. In all of the above cases
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Medical Termination of Pregnancy Act, 1971 allows abortion in India in cases of rape or incest, to save the life of the mother, and up to 12 weeks of pregnancy.

Multiple choice

How does alcohol consumption during pregnancy affect the developing fetus?

  1. Increased risk of miscarriage

  2. Fetal Alcohol Syndrome

  3. Premature birth

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Alcohol consumption during pregnancy can lead to an increased risk of miscarriage, Fetal Alcohol Syndrome, premature birth, and other adverse outcomes.

Multiple choice

Which of the following substances is associated with an increased risk of ectopic pregnancy?

  1. Tobacco

  2. Cannabis

  3. Cocaine

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

Tobacco use is associated with an increased risk of ectopic pregnancy, a condition in which the fertilized egg implants outside the uterus.

Multiple choice

How does substance use during pregnancy affect the newborn?

  1. Increased risk of birth defects

  2. Neonatal withdrawal syndrome

  3. Preterm birth

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Substance use during pregnancy can lead to an increased risk of birth defects, neonatal withdrawal syndrome, preterm birth, and other adverse outcomes in the newborn.

Multiple choice

Which of the following substances is associated with an increased risk of stillbirth?

  1. Alcohol

  2. Tobacco

  3. Cannabis

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

Cocaine use during pregnancy is associated with an increased risk of stillbirth.

Multiple choice

How does substance use during pregnancy affect the mother's health?

  1. Increased risk of pregnancy complications

  2. Postpartum depression

  3. Long-term health problems

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Substance use during pregnancy can lead to an increased risk of pregnancy complications, postpartum depression, long-term health problems, and other adverse outcomes in the mother.

Multiple choice

Which of the following substances is associated with an increased risk of miscarriage?

  1. Alcohol

  2. Tobacco

  3. Cannabis

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Alcohol, tobacco, and cannabis can all increase the risk of miscarriage.

Multiple choice

Which of the following substances is associated with an increased risk of premature birth?

  1. Alcohol

  2. Tobacco

  3. Cannabis

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Alcohol, tobacco, and cannabis can all increase the risk of premature birth.

Multiple choice

How does substance use during pregnancy affect the child's development?

  1. Increased risk of learning disabilities

  2. Behavioral problems

  3. Physical health problems

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Substance use during pregnancy can lead to an increased risk of learning disabilities, behavioral problems, physical health problems, and other adverse outcomes in the child.

Multiple choice

Which of the following substances is associated with an increased risk of low birth weight?

  1. Alcohol

  2. Tobacco

  3. Cannabis

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Alcohol, tobacco, and cannabis can all increase the risk of low birth weight.

Multiple choice

What is the leading cause of death among women during pregnancy and childbirth?

  1. Hemorrhage

  2. Sepsis

  3. Eclampsia

  4. Obstructed labor
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hemorrhage is the leading cause of death among women during pregnancy and childbirth, accounting for an estimated 27% of all deaths.

Multiple choice

What is the term used to describe the condition in which a woman has difficulty becoming pregnant due to a hostile cervical environment?

  1. Cervical stenosis

  2. Cervical insufficiency

  3. Cervical mucus hostility

  4. Cervical dysplasia
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cervical mucus hostility refers to a condition in which the cervical mucus is thick and viscous, making it difficult for sperm to penetrate and reach the egg.