KROK 1 2010 – Question 112 · KROK (Medicine) · Biological Chemistry
A 64 year old woman has impairment of twilight vision (hemeralopy). What vitamin should be recommended in the first place?
- A. Vitamin A
- B. Vitamin C
- C. Vitamin B2
- D. Vitamin B6
- E. Vitamin E
Hint
Ask which retinal cells are responsible for twilight vision and which vitamin their light-sensitive pigment depends on.
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