Vasculitis can be caused by

Correct Answer: C

Rationale: Penicillamine has been linked to drug-induced vasculitis, an inflammatory condition of the blood vessels.

Correct Answer: B

Rationale: Approximately 25% of children with food allergies experience severe anaphylactic reactions, requiring immediate medical intervention.

Correct Answer: A

Rationale: Viral pneumonia often presents with hyperinflation, interstitial infiltrates, and peri-bronchial cuffing on chest X-ray.

Correct Answer: B

Rationale: The Heimlich maneuver is an emergency technique used to expel foreign objects from the airway in choking individuals. It creates positive pressure to force the obstruction out of the trachea.

Correct Answer: A

Rationale: Squatting helps increase systemic vascular resistance, reducing the right-to-left shunt and improving oxygenation in Tetralogy of Fallot.