Human Reproduction and Development - Problem Set
Q. At what stage of development is the human embryo most susceptible to teratogens?
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A.
Fertilization
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B.
First trimester
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C.
Second trimester
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D.
Third trimester
Solution
The first trimester is when the embryo is most susceptible to teratogens, as major organs are forming.
Correct Answer: B — First trimester
Q. What is the primary function of the ovaries in the female reproductive system?
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A.
To produce testosterone
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B.
To produce eggs and hormones
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C.
To facilitate childbirth
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D.
To transport sperm
Solution
The ovaries are responsible for producing eggs (ova) and hormones such as estrogen and progesterone.
Correct Answer: B — To produce eggs and hormones
Q. What is the primary purpose of the amniotic fluid?
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A.
To provide nutrients
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B.
To cushion the fetus
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C.
To facilitate gas exchange
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D.
To store waste
Solution
Amniotic fluid cushions the fetus, providing protection and allowing for movement.
Correct Answer: B — To cushion the fetus
Q. What is the role of the placenta during pregnancy?
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A.
To provide oxygen and nutrients to the fetus
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B.
To produce hormones only
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C.
To protect the fetus from infections
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D.
To store waste products
Solution
The placenta provides oxygen and nutrients to the developing fetus and removes waste products.
Correct Answer: A — To provide oxygen and nutrients to the fetus
Q. What is the term for the process by which a sperm cell fertilizes an egg cell?
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A.
Ovulation
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B.
Fertilization
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C.
Implantation
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D.
Gestation
Solution
Fertilization is the process where a sperm cell successfully merges with an egg cell.
Correct Answer: B — Fertilization
Q. What is the term for the release of an egg from the ovary?
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A.
Fertilization
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B.
Menstruation
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C.
Ovulation
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D.
Implantation
Solution
Ovulation is the process of releasing an egg from the ovary, typically occurring once a month.
Correct Answer: C — Ovulation
Q. Which structure connects the fetus to the placenta?
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A.
Umbilical cord
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B.
Fallopian tube
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C.
Vagina
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D.
Cervix
Solution
The umbilical cord connects the fetus to the placenta, facilitating nutrient and waste exchange.
Correct Answer: A — Umbilical cord
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