Croup & Laryngeal Stridor MCQ Quiz | OPD Case Management

1. What is the most common viral pathogen responsible for causing croup (laryngotracheobronchitis)?

2. The classic clinical triad for croup consists of:

3. The primary site of inflammation and narrowing in viral croup is the:

4. A “steeple sign” on an anteroposterior (AP) soft tissue neck X-ray is a characteristic finding in:

5. What is the first-line pharmacotherapy for a child presenting to the OPD with mild to moderate croup?

6. Nebulized epinephrine is indicated in the management of croup when the child presents with:

7. A 2-year-old presents with a high fever, drooling, dysphagia, and is sitting in a “tripod” position. This clinical picture is highly suggestive of:

8. The pathognomonic radiological sign for acute epiglottitis on a lateral neck X-ray is the:

9. Laryngomalacia, the most common cause of congenital stridor, is characterized by stridor that:

10. A biphasic stridor (present during both inspiration and expiration) suggests an obstruction at which level of the airway?

11. A sudden onset of choking, coughing, and stridor in a previously well 18-month-old toddler is most concerning for:

12. Which of the following is NOT a component of the Westley Croup Score used for assessing severity?

13. The mechanism of action of nebulized epinephrine in severe croup is primarily:

14. Spasmodic croup is distinguished from viral croup by its:

15. What is the standard management for a thriving infant with typical, mild laryngomalacia?

16. A purely expiratory stridor (wheeze) is most indicative of an obstruction in the:

17. Which of the following clinical signs in a child with stridor warrants immediate referral to a hospital emergency department?

18. The organism most commonly implicated in acute epiglottitis, especially in unimmunized children, is:

19. A 3-year-old child is given oral dexamethasone for croup in the OPD. The parents should be advised that the medication’s peak effect will be seen in approximately:

20. Bilateral vocal cord paralysis in a neonate typically presents with a weak cry and:

21. A child with a “muffled” or “hot potato” voice, sore throat, and unilateral neck swelling is more likely to have:

22. What is the recommended single dose of oral dexamethasone for a child with mild-to-moderate croup?

23. Bacterial tracheitis should be suspected in a child with croup-like symptoms who:

24. In contrast to croup, the age group most commonly affected by acute epiglottitis is:

25. A key piece of advice for parents of a child discharged from the OPD after treatment for mild croup is: