KROK 1 2010 – Question 20 · KROK (Medicine) · Biological Chemistry
Examination of a patient suffering from frequent haemorrhages in the inner organs and mucous membranes revealed proline and lysine being included in collagen fibers. Impairment of their hydroxylation is caused by lack of the following vitamin:
- A. C
- B. A
- C. K
- D. D
- E. E
Hint
Link the bleeding tendency to weak vessel walls caused by faulty collagen, and ask which vitamin supports the enzymes that modify collagen after it is made.
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