HESI RN
Reproductive System Exam Questions
1. Which of the following hormones promotes endometrial growth?
- A. LH
- B. FSH
- C. Estrogen
- D. Progesterone
Correct answer: C
Rationale: Estrogen is the hormone responsible for promoting endometrial growth. Estrogen helps thicken the endometrium during the menstrual cycle in preparation for implantation. LH (Choice A) and FSH (Choice B) are involved in regulating the menstrual cycle but do not directly promote endometrial growth. Progesterone (Choice D) is important for maintaining the endometrium after ovulation but is not the primary hormone responsible for promoting its growth.
2. What phase corresponds with the luteal phase?
- A. Menstrual phase
- B. Follicular phase
- C. Secretory phase
- D. Menstrual phase
Correct answer: C
Rationale: The luteal phase corresponds with the secretory phase. During the menstrual cycle, the luteal phase follows ovulation and is characterized by the development of the corpus luteum, secreting progesterone to prepare the endometrium for a potential pregnancy. The other choices, menstrual phase (A), follicular phase (B), and the repeated choice of menstrual phase (D) do not align with the luteal phase and its functions.
3. A solid ball of 12-16 cells having undergone mitotic division after fertilization is:
- A. Zygote
- B. Blastomere
- C. Morula
- D. Blastocyst
Correct answer: C
Rationale: A morula is a stage in embryonic development where a solid ball of 12-16 cells is formed after several rounds of mitotic division following fertilization. The zygote is the initial cell formed by the fusion of sperm and egg. Blastomere refers to individual cells in a developing embryo. A blastocyst is a later stage where a fluid-filled cavity forms within the embryo. Therefore, the correct answer is 'Morula.'
4. Abortion is defined as:
- A. Bleeding per vaginum in early pregnancy
- B. Willingness to terminate pregnancy
- C. Expulsion of products of conception after the 28th week of gestation
- D. Expulsion of products of conception before the 28th week of gestation
Correct answer: D
Rationale: Abortion is defined as the expulsion of products of conception before the 28th week of gestation. Choice A is incorrect as it describes bleeding in early pregnancy, not the definition of abortion. Choice B is incorrect as it refers to the willingness to terminate a pregnancy rather than the actual act of expulsion. Choice C is incorrect as it defines abortion as the expulsion of products of conception after the 28th week of gestation, which is considered a stillbirth.
5. What prompted Zambia to implement family planning services?
- A. The nation started to experience the effects of rapid population growth on the economy and individual welfare.
- B. Donors provided free family planning pills.
- C. Mothers were delivering twice a year.
- D. There were too many abortions.
Correct answer: A
Rationale: The correct answer is A. Rapid population growth's impact on the economy and individual welfare prompted Zambia to implement family planning services. This is because a rapidly growing population can strain resources, lead to unemployment, poverty, and inadequate access to healthcare. Choice B is incorrect because the provision of free family planning pills by donors may have been a subsequent intervention rather than the initial reason for implementing family planning services. Choice C is irrelevant as the frequency of deliveries by mothers does not directly relate to the implementation of family planning services. Choice D is also incorrect as high abortion rates may be a consequence of inadequate family planning services rather than the reason for their implementation.
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