The amount of air inspired or expired in a single breath is

Correct Answer: B

Rationale: Tidal volume is the air moved in a normal breath, about 500 ml. 'Tidal volume,' is correct, per respiratory physiology (e.g., Guyton). 'Vital capacity,' is maximum breathable volume. 'Residual volume,' remains after exhalation. 'Inspiratory reserve volume,' is extra inspiratory capacity. Tidal volume's resting measure makes B the accurate answer.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: D

Rationale: Nosocomial infections are hospital-acquired. 'Common cold,' is correct as the exception, typically community-acquired, per infection control (e.g., Bennett). 'Urinary tract infection,' 'Pneumonia,' and 'Surgical site infection,' are common in hospitals. Common cold's external origin makes D the precise answer.

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.