ATI RN
Human Reproductive System Questions Questions
Question 1 of 5
Oral contraceptive treatment with mixtures of estrogens and progesterone:
Correct Answer: C
Rationale: Contraceptives suppress gonadotropins (C), preventing ovulation. Menstruation occurs (A), implantation (B) is secondary, weight (D) varies.
Question 2 of 5
The ostium is the opening into the fimbria.
Correct Answer: B
Rationale: False (B): The ostium is the uterine tube’s abdominal opening, fimbriae surround it. True (A) is imprecise.
Question 3 of 5
The first menstrual discharge is referred to as menarche.
Correct Answer: A
Rationale: True (A): Menarche is the first menstrual period. False (B) is incorrect.
Question 4 of 5
Pulmonary vessels, nerves, and a bronchus enter or leave the lung at the:
Correct Answer: D
Rationale: The hilus (D) is the lung’s entry/exit point for vessels, nerves, and bronchi. Cardiac notch (A) is a left lung feature, apex (B) is top, capsule (C) is incorrect.
Question 5 of 5
In the blood, most of the CO₂ is transported as:
Correct Answer: B
Rationale: Most CO₂ (70%) is transported as bicarbonate (HCO₃⁻, B). Carboxyhemoglobin (A) is CO, carbaminohemoglobin (C) is 20%, dissolved (D) is 10%.