Which of the Following Statements Is TRUE About Croup

question 24

Multiple Choice

Which of the following statements is TRUE about croup?
I.caused by viral organism
II.most common form of airway obstruction in children aged 6 months to 6 years
III.causes subglottic swelling and obstruction
IV.most often caused by parainfluenza virus

• A)I and III
• B)II, III, and IV
• C)III and IV
• D)I, II, III, and IV

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