ATI RN
Common Questions About The Reproductive System Questions
Question 1 of 4
The amount of air that is moved in and out of the lungs during normal quiet breathing is called the:
Correct Answer: B
Rationale: Tidal volume (B) is air moved in quiet breathing (~500 mL). Vital capacity (A) is maximum, residual (C) is leftover, vital volume (D) is fictional.
Question 2 of 4
Expiration is usually passive and occurs with the cessation of inspiratory contractions.
Correct Answer: A
Rationale: True (A): Quiet expiration is passive, from elastic recoil after inspiratory muscles relax. False (B) is incorrect.
Question 3 of 4
Hyperventilation may cause body fluids to become more acidic.
Correct Answer: B
Rationale: False (B): Hyperventilation lowers P_CO₂, raising pH (alkalosis), not acidity. True (A) is incorrect.
Question 4 of 4
The release of O₂ from hemoglobin is termed oxygenation.
Correct Answer: B
Rationale: False (B): Oxygenation is O₂ binding to hemoglobin; release is deoxygenation. True (A) is incorrect.