ATI RN
Questions About Reproductive System Questions
Question 1 of 5
The filling of venous sinuses under the influence of sexual stimulation is most closely associated with:
Correct Answer: D
Rationale: Erection (D) involves venous sinus filling in the penis. Spermatogenesis (A), menstruation (B), and ovulation (C) are unrelated.
Question 2 of 5
Menstruation is initiated by:
Correct Answer: B
Rationale: Menstruation starts with low estrogens and progesterone (B) from corpus luteum degeneration. FSH (A) and LH (D) rise later, increased hormones (C) prevent it.
Question 3 of 5
An embryo with XX chromosomes develops female secondary sex organs because of:
Correct Answer: C
Rationale: XX embryos develop female traits due to no androgens (C). Estrogens (A) enhance later, androgens (B) masculinize, no estrogens (D) is irrelevant.
Question 4 of 5
The labia majora in the female are homologous to the scrotum in the male.
Correct Answer: A
Rationale: True (A): Labia majora and scrotum share embryonic origin. False (B) is incorrect.
Question 5 of 5
Sympathetic stimulation of the arteries within the penis causes engorgement of the erectile tissue as arterial flow increases and venous drainage decreases.
Correct Answer: B
Rationale: False (B): Parasympathetic stimulation causes erection, not sympathetic. True (A) is incorrect.