HESI RN
Reproductive System Exam Quizlet
1. Which animal is an ovoviviparous animal?
- A. Basking shark
- B. Bonobo
- C. Blue shark
- D. None of the above
Correct answer: C
Rationale: The correct answer is the Blue shark. Ovoviviparous animals produce eggs that develop inside the body of the parent, and the offspring are born alive. The basking shark does not fall under this category as it is ovoviviparous, meaning it lays eggs that hatch inside the female's body. The bonobo is a separate species and not relevant to the question.
2. How does human sperm move?
- A. Flagella
- B. Cilia
- C. Neutrophils
- D. None of the above
Correct answer: A
Rationale: Human sperm moves using flagella, which are whip-like structures that aid in propulsion. Flagella are tail-like structures found in sperm cells and help them swim towards the egg for fertilization. Cilia are shorter, hair-like structures that are not involved in the movement of sperm. Neutrophils are a type of white blood cell involved in the immune response and are not related to sperm locomotion.
3. What does MTP stand for?
- A. Medical Termination of Parturition
- B. Mechanical Transfer of Pollen
- C. Medical Termination of Pregnancy
- D. Maternally Transmitted Pathogens
Correct answer: C
Rationale: The correct expansion for MTP is Medical Termination of Pregnancy. This term is commonly used in healthcare to refer to the procedure of ending a pregnancy. Choices A, B, and D are incorrect because they do not accurately represent the expansion of the abbreviation MTP. Choice A refers to labor induction, choice B is related to plant reproduction, and choice D deals with the transmission of pathogens from mother to offspring.
4. The placenta is developed from which part of the trophoblast?
- A. Chorionic Frondosum
- B. Anchoring Villi
- C. Chorionic Laeve
- D. Body Stalk
Correct answer: A
Rationale: The correct answer is A: Chorionic Frondosum. The placenta is developed from the chorionic frondosum part of the trophoblast. This structure gives rise to the fetal part of the placenta. Choices B, C, and D are incorrect. Anchoring Villi are projections from the chorionic plate that attach the placenta to the uterine wall. Chorionic Laeve refers to the smooth chorion that covers the fetal surface of the placenta. The Body Stalk is a structure that connects the early embryo to the trophoblastic pole of the blastocyst.
5. At what age are women likely to enter menopause?
- A. 35 - 40 years
- B. 40 - 45 years
- C. 45 - 50 years
- D. 25 - 30 years
Correct answer: C
Rationale: Women generally enter menopause between the ages of 45 - 50 years. During this stage, women experience a decline in estrogen production, leading to the cessation of menstrual cycles. Choices A, B, and D are incorrect as they do not fall within the typical age range for menopause onset. Menopause typically occurs later in life, around the age of 45 to 50 years, although individual variations exist.
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