Pleural friction rub is characterized by all the following EXCEPT:

Correct Answer: A

Rationale: Pleural friction rub is typically heard throughout both inspiration and expiration. It is caused by inflamed pleural surfaces rubbing together and may disappear when fluid accumulates.

Correct Answer: C

Rationale: The Look-Listen-Feel method is used to assess if a patient is breathing by observing chest movement, listening for breath sounds, and feeling for airflow.

Correct Answer: C

Rationale: A bag-valve mask (Ambu bag) can be used with room air or supplemental oxygen for ventilation.

Correct Answer: D

Rationale: Conversion reactions often have sudden onset, are linked to psychological stressors, and may mimic neurological conditions like pseudoseizures. They typically resolve once the underlying stressor is addressed.

Correct Answer: C

Rationale: Renal tubular acidosis causes normal anion gap metabolic acidosis, not high anion gap metabolic acidosis.