ATI RN
Reproductive System Questions Questions
Question 1 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 2 of 5
It is false that:
Correct Answer: B
Rationale: False: Epiglottis elevates (not depresses) to cover glottis (B). Slack cords lower pitch (A), whispering avoids vibration (C), testosterone enlarges larynx (D).
Question 3 of 5
When blood CO₂ levels rise:
Correct Answer: B
Rationale: Elevated CO₂ causes respiratory acidosis (B) from H⁺ increase. Breathing increases (not decreases, A, D), pressure receptors (C) are unrelated.
Question 4 of 5
Surfactant:
Correct Answer: A
Rationale: Surfactant (A) lowers alveolar surface tension, aiding expansion. It doesn’t affect P_CO₂ (B), isn’t mucus (C), or reduce pleural friction (D).
Question 5 of 5
In normally functioning lungs, the intrathoracic pressure is always greater than the intrapulmonic pressure.
Correct Answer: B
Rationale: False (B): Intrathoracic (pleural) pressure is less than intrapulmonic (alveolar) during inspiration to draw air in. True (A) is incorrect.