Measles/Mumps/Rubella MCQ Quiz | Infectious Diseases

Welcome to this specialized quiz on Measles, Mumps, and Rubella, designed for MBBS students preparing for their infectious diseases module. This quiz features 25 high-yield multiple-choice questions covering the etiology, clinical presentation, complications, diagnosis, and prevention of these classic childhood exanthems. Each question is crafted to test your core knowledge and clinical reasoning skills. After submitting your answers, you will receive your score immediately, with correct and incorrect answers highlighted for review. For your convenience and future study, you can download all the questions along with their correct answers in a PDF format. This tool is an excellent way to assess your understanding and consolidate your learning on these important viral infections. Good luck!

1. Koplik’s spots, the pathognomonic sign of measles, are typically found on the:

2. The most common cause of death associated with measles in children worldwide is:

3. A 10-year-old boy presents with progressive intellectual decline, myoclonic jerks, and ataxia. His history is significant for a measles infection at age 2. What is the most likely diagnosis?

4. A 22-year-old male presents with acute onset of fever, malaise, and painful swelling of his right testicle. He reports swelling in his cheeks about a week ago. What is the most likely diagnosis?

5. The classic triad of Congenital Rubella Syndrome (CRS) includes:

6. The MMR vaccine is a:

7. Which of the following is a major contraindication for the administration of the MMR vaccine?

8. The rash of measles (rubeola) is best described as:

9. The risk of congenital defects is highest when a pregnant woman contracts rubella during which period?

10. A characteristic histopathological finding in lymphoid tissue from a patient with measles is:

11. Which laboratory finding is most characteristic of mumps parotitis?

12. Rubella is also known as:

13. The “three Cs” – cough, coryza, and conjunctivitis – are characteristic of the prodromal phase of which infection?

14. Aseptic meningitis is a known complication of which of the following viruses?

15. A common manifestation of rubella infection in adult females, which is less common in children, is:

16. Both measles virus and mumps virus belong to which viral family?

17. Vitamin A supplementation is recommended for children with measles because it has been shown to:

18. A “blueberry muffin” rash in a newborn is a sign of extramedullary hematopoiesis and is classically associated with:

19. The typical incubation period for mumps is approximately:

20. Forchheimer spots, which are pinpoint red macules on the soft palate, can be seen in which infection?

21. An unvaccinated 8-month-old infant is exposed to a confirmed case of measles. What is the most appropriate post-exposure prophylaxis?

22. The characteristic lymphadenopathy in rubella typically involves which nodes?

23. Rubella virus belongs to which viral family?

24. Mumps parotitis is typically:

25. The standard schedule for MMR vaccination in most countries includes a first dose at: