ATI RN
Human Reproductive System Questions Questions
Question 1 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 2 of 5
Which of the following is not a structural feature of the left lung?
Correct Answer: D
Rationale: The left lung lacks a middle lobe (D), having only superior (A) and inferior (C) lobes with a cardiac notch (B). Right lung has three lobes.
Question 3 of 5
Factors determining the extent to which O₂ will combine with hemoglobin are:
Correct Answer: D
Rationale: O₂ binding to hemoglobin depends on P_O₂ (A), temperature (B), and H⁺ (C) via the Bohr effect, so all (D) apply.
Question 4 of 5
Active transport mechanisms effect exchange of gases in the lungs and tissues.
Correct Answer: B
Rationale: False (B): Gas exchange is by diffusion, not active transport. True (A) is incorrect.
Question 5 of 5
The auditory canals open into the nasopharynx.
Correct Answer: B
Rationale: False (B): Auditory (Eustachian) tubes open to the nasopharynx, not canals (ear anatomy). True (A) is incorrect.