HESI RN
Reproductive System Exam Questions
1. Which hormone is released from the testes?
- A. Progesterone
- B. Vasopressin
- C. Testosterone
- D. None of the above
Correct answer: C
Rationale: The correct answer is testosterone. Testosterone is the primary male sex hormone produced in the testes. Progesterone is a female sex hormone primarily produced in the ovaries, not in the testes. Vasopressin is a hormone released by the pituitary gland to regulate water balance in the body, not produced by the testes. Therefore, choices A, B, and D are incorrect.
2. What is an organelle that helps the sperm to penetrate the ovum?
- A. Acrosome
- B. Zona pellucida
- C. Megalis
- D. None of the above
Correct answer: A
Rationale: The correct answer is Acrosome. The acrosome is an organelle located at the head of a sperm cell and contains enzymes that aid in the penetration of the ovum during fertilization. The Zona pellucida is a glycoprotein membrane surrounding the ovum, not an organelle. Megalis is not a relevant organelle in this context. Therefore, the correct choice is A, Acrosome.
3. Which hormone regulates the production of milk after childbirth?
- A. Prolactin
- B. Oxytocin
- C. Estrogen
- D. Progesterone
Correct answer: A
Rationale: The correct answer is Prolactin. Prolactin is the hormone responsible for regulating the production of milk after childbirth. It stimulates the mammary glands in the breasts to produce milk. Oxytocin, on the other hand, is responsible for the ejection of milk from the breasts. Estrogen and progesterone play roles in the menstrual cycle and pregnancy but are not directly involved in milk production. Therefore, choices B, C, and D are incorrect.
4. What is a characteristic of threatening abortion?
- A. Os open.
- B. Firm contracted uterus.
- C. Heavy bleeding.
- D. Severe cramping.
Correct answer: B
Rationale: Threatening abortion is characterized by a firm contracted uterus with an open os. This presentation indicates a risk of miscarriage. Choice A ('Os open') is not specific enough and does not fully describe the condition. Choices C ('Heavy bleeding') and D ('Severe cramping') can also be present in threatening abortion, but the primary characteristic is a firm contracted uterus with an open os.
5. Lactational Amenorrhoea Method (LAM) is best for:
- A. Clients who do not wish to have any more children
- B. Clients with a baby less than 6 months postpartum
- C. Clients who want to wait before having a first or another child
- D. Clients with several sexual partners
Correct answer: B
Rationale: The correct answer is B: Clients with a baby less than 6 months postpartum. Lactational Amenorrhoea Method (LAM) is a highly effective temporary family planning method that is recommended for women who have recently given birth and are breastfeeding. LAM works best when the baby is less than 6 months old, the mother is exclusively breastfeeding, and her menstrual periods have not resumed. Choices A, C, and D are incorrect because LAM is specifically designed for postpartum women with infants less than 6 months old, focusing on the lactational infertility that occurs during exclusive breastfeeding.
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