Scurvy (Vitamin C) MCQ Quiz | Nutrition

Welcome to the Scurvy (Vitamin C) MCQ Quiz, designed specifically for MBBS students to test and reinforce their knowledge in Nutrition. This quiz covers the essential aspects of ascorbic acid, including its biochemical roles, the pathophysiology of its deficiency, clinical manifestations, diagnosis, and management of scurvy. Each of the 25 questions is structured to challenge your understanding and prepare you for your examinations. After completing the quiz, you can submit your answers to see your score, with immediate feedback highlighting correct and incorrect choices. For your revision, a button will appear allowing you to download all the questions along with their correct answers in a convenient PDF format. Good luck!

1. Vitamin C is essential for the post-translational modification of which protein, crucial for connective tissue strength?

2. Which enzyme, requiring ascorbic acid as a cofactor, is responsible for the hydroxylation of proline residues in procollagen?

3. The characteristic perifollicular hemorrhages and corkscrew hairs in scurvy are a direct result of:

4. Vitamin C is crucial for the synthesis of which neurotransmitter from dopamine?

5. In infantile scurvy (Barlow’s disease), a characteristic posture is often observed where the infant lies with hips and knees semi-flexed. This is known as:

6. Which of the following is NOT a typical clinical feature of adult scurvy?

7. The most definitive diagnostic test for scurvy is:

8. “Scorbutic rosary” is a finding in infantile scurvy characterized by:

9. Vitamin C enhances the intestinal absorption of which mineral?

10. Which population is at the HIGHEST risk for developing scurvy in modern, developed countries?

11. Wimberger’s sign, a radiological finding in infantile scurvy, is best described as:

12. What is the recommended daily allowance (RDA) of Vitamin C for a non-smoking adult male?

13. Besides collagen formation, Vitamin C is also required for the synthesis of:

14. The anemia often seen in scurvy is typically:

15. How does Vitamin C function as an antioxidant?

16. The earliest symptoms of scurvy typically include:

17. Which of these is NOT a good dietary source of Vitamin C?

18. The “white line of Fraenkel” is a radiological sign of scurvy seen as a:

19. In the treatment of adult scurvy, what is a typical initial dosage of Vitamin C?

20. The classic triad of scurvy is often described as:

21. The first controlled clinical trial in history, conducted by James Lind, identified which food item as a cure for scurvy?

22. Vitamin C deficiency impairs the function of which other hydroxylase enzyme, besides prolyl and lysyl hydroxylase?

23. In what part of the gastrointestinal tract is ascorbic acid primarily absorbed?

24. Which of the following conditions significantly increases the requirement for Vitamin C?

25. Scurvy can be differentiated from rickets in an infant because scurvy primarily causes pain due to subperiosteal hemorrhage, whereas rickets primarily involves: