单选题 A 23-month-old child is brought to the emergency department with suspected croup. Which assessment finding reflects increasing respiratory distress?

A. Intercostal retractions.
B. Bradycardia.
C. Decreased level of consciousness.
D. Flushed skin.

【正确答案】 A

【答案解析】Clinical manifestations of respiratory distress include intercostal retractions, tachypnea, tachycardia, restlessness, dyspnea, and cyanosis.