Human Reproduction and Development - Real World Applications
Q. What is the primary purpose of prenatal care?
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A.
To monitor fetal development
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B.
To prepare for childbirth
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C.
To prevent maternal infections
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D.
To provide nutritional guidance
Solution
The primary purpose of prenatal care is to monitor the health and development of the fetus throughout pregnancy.
Correct Answer: A — To monitor fetal development
Q. What is the term for the process by which a sperm and egg combine to form a zygote?
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A.
Fertilization
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B.
Implantation
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C.
Gestation
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D.
Ovulation
Solution
Fertilization is the process where a sperm cell merges with an egg cell to form a zygote.
Correct Answer: A — Fertilization
Q. What is the typical duration of a human pregnancy?
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A.
28 weeks
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B.
36 weeks
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C.
40 weeks
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D.
44 weeks
Solution
A typical human pregnancy lasts about 40 weeks from the last menstrual period.
Correct Answer: C — 40 weeks
Q. Which genetic condition is commonly screened for during pregnancy?
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A.
Cystic fibrosis
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B.
Down syndrome
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C.
Sickle cell anemia
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D.
Hemophilia
Solution
Down syndrome is commonly screened for during pregnancy through various tests, including blood tests and ultrasounds.
Correct Answer: B — Down syndrome
Q. Which hormone is primarily responsible for initiating labor in humans?
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A.
Estrogen
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B.
Progesterone
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C.
Oxytocin
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D.
Prolactin
Solution
Oxytocin is the hormone that stimulates uterine contractions, leading to labor.
Correct Answer: C — Oxytocin
Q. Which of the following is a common method of assisted reproductive technology?
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A.
In vitro fertilization (IVF)
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B.
Natural family planning
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C.
Hormonal contraception
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D.
Surgical sterilization
Solution
In vitro fertilization (IVF) is a widely used method of assisted reproductive technology.
Correct Answer: A — In vitro fertilization (IVF)
Q. Which structure is responsible for the exchange of gases and nutrients between the mother and fetus?
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A.
Umbilical cord
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B.
Amniotic sac
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C.
Placenta
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D.
Chorion
Solution
The placenta facilitates the exchange of gases, nutrients, and waste between the mother and fetus.
Correct Answer: C — Placenta
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