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 amniocentesis used to detect?
- A. Sexually transmitted diseases
- B. Presence of certain genetic disorders
- C. Causes of infertility
- D. Presence of pneumonia germs
Correct answer: B
Rationale: Amniocentesis is a prenatal test used to detect certain genetic disorders in a developing fetus. It involves collecting a small sample of the amniotic fluid surrounding the fetus and analyzing the genetic material present in the cells. This test is not used to detect sexually transmitted diseases, causes of infertility, or the presence of pneumonia germs. Therefore, the correct answer is B.
3. Which of the following is used to differentiate abdominal mass from pelvic mass on clinical examination?
- A. Size
- B. Site
- C. Margins
- D. Lower border
Correct answer: D
Rationale: The lower border is used to differentiate between an abdominal mass and a pelvic mass during clinical examination. The lower border of the mass provides important information about its location and origin. The size (Choice A) alone may not always clearly distinguish between abdominal and pelvic masses. The site (Choice B) and margins (Choice C) are also important factors, but they are not as specific in differentiating between abdominal and pelvic masses as the lower border.
4. Approximately how many primordial follicles are present in the cortex of the ovary at birth?
- A. 250,000
- B. 200,000
- C. 150,000
- D. 100,000
Correct answer: A
Rationale: The correct answer is A: 250,000. At birth, there are approximately 250,000 primordial follicles in the cortex of each ovary. These primordial follicles represent the reserve of oocytes that a female will have throughout her reproductive life. Choice B, 200,000, is incorrect as the number is higher. Choices C and D, 150,000 and 100,000 respectively, are also incorrect as they underestimate the actual number of primordial follicles present at birth.
5. Where does fertilization normally occur?
- A. Ampulla
- B. Interstitial portion
- C. Isthmus
- D. Infundibulum
Correct answer: A
Rationale: Fertilization typically occurs in the ampulla of the fallopian tube. The ampulla provides the ideal environment for fertilization due to the presence of cilia that help transport the egg and sperm, as well as the nourishing fluid within this region. The interstitial portion, isthmus, and infundibulum of the fallopian tube are not the primary sites for fertilization. The interstitial portion connects the fallopian tube to the uterine cavity, the isthmus is the narrowest part near the uterus, and the infundibulum is the funnel-shaped end near the ovary, where the egg is captured after ovulation.
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