Which condition is characterized by inflammation of the blood vessels?

Correct Answer: B

Rationale: Vasculitis is specifically defined as inflammation of the blood vessels, which can affect circulation and organ function.

Correct Answer: D

Rationale: Children with ASD often have rigid adherence to routines rather than absence of them.

Correct Answer: B

Rationale: Corticosteroids are given to mothers at risk of preterm delivery to promote surfactant production in the fetus, which helps prevent or manage neonatal RDS.

Correct Answer: B

Rationale: Anaphylaxis leads to massive vasodilation and decreased systemic vascular resistance, resulting in hypotension and shock.

Correct Answer: A

Rationale: Pleural friction rub is usually heard in both inspiratory and expiratory phases. Its presence suggests pleural inflammation, but excessive pleural fluid may mask it.