HESI RN
Reproductive System Exam Quizlet
1. At what age does the first menstrual period typically occur?
- A. 9 and 15 years
- B. 2 and 10 years
- C. 1 and 5 years
- D. 18 and 20 years
Correct answer: A
Rationale: The first menstrual period, known as menarche, typically occurs between the ages of 9 and 15 years. This marks the onset of puberty in females. Choices B, C, and D are incorrect because the first menstrual period does not occur as early as 2 years old, 1 year old, or as late as 18 to 20 years old.
2. What is the function of luteinizing hormone?
- A. Maintains the corpus luteum
- B. Ripens the Graafian follicle
- C. Prepares the breasts for lactation
- D. Produces regrowth of the endometrium
Correct answer: A
Rationale: Luteinizing hormone is responsible for maintaining the corpus luteum after ovulation. This is crucial for the production of progesterone, which helps prepare the endometrium for implantation and supports early pregnancy. Choices B, C, and D are incorrect: B is the function of follicle-stimulating hormone (FSH) which stimulates the growth of ovarian follicles, C is mainly regulated by prolactin, and D is primarily associated with estrogen and progesterone.
3. 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.
4. Which statement accurately describes the female pelvis?
- A. Gynaecoid pelvis has a wedge-shaped inlet
- B. Platypelloid pelvis has an oval inlet
- C. Anthropoid pelvis has a long narrow oval inlet
- D. Android pelvis is wedge-shaped
Correct answer: B
Rationale: The correct answer is B because the Platypelloid pelvis indeed has an oval inlet. Gynaecoid pelvis, not mentioned in the choices, has a round inlet. Anthropoid pelvis has a long, narrow oval inlet, which makes choice C incorrect. Choice D is incorrect as the Android pelvis is actually heart-shaped with a narrowed inlet.
5. Risk of endometrial hyperplasia is greatest in individuals who do not menstruate for at least _____ months and require immediate referral:
- A. 2 months
- B. 3 months
- C. 4 months
- D. 5 months
Correct answer: C
Rationale: The correct answer is C: '4 months.' The risk of endometrial hyperplasia is highest in individuals who do not menstruate for at least 4 months. This prolonged exposure to unopposed estrogen can lead to endometrial hyperplasia. Choices A, B, and D are incorrect because the risk is greatest after at least 4 months of not menstruating, not 2, 3, or 5 months.
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