ATI RN
Reproductive System Questions Questions
Question 1 of 5
Formation and maintenance of the corpus luteum is mainly effected by:
Correct Answer: B
Rationale: LH (B) forms and maintains the corpus luteum. FSH (A) grows follicles, progesterone (C) and estrogens (D) are products.
Question 2 of 5
The principal cause of male infertility is:
Correct Answer: B
Rationale: A varicocele (B) is the leading cause of male infertility, impairing sperm production. Others (A, C, D) are less common.
Question 3 of 5
Feminization of the female genitalia is caused by the production of estrogens by the gonads during early fetal development.
Correct Answer: B
Rationale: False (B): Feminization occurs due to no androgens, not estrogen (which acts later). True (A) is incorrect.
Question 4 of 5
Mammary glands are modified sebaceous glands.
Correct Answer: B
Rationale: False (B): Mammary glands are modified sweat glands, not sebaceous. True (A) is incorrect.
Question 5 of 5
The secretory phase of menstruation is characterized by discharge of the menses.
Correct Answer: B
Rationale: False (B): Secretory phase builds endometrium; menstrual phase discharges it. True (A) is incorrect.