KROK 1 2018 – Question 177 · KROK (Medicine) · Biological Chemistry
An 8-year-old girl presents with signs of disturbed twilight vision. This condition is caused by the deficiency of vitamin:
- A. A
- B. K
- C. F
- D. E
- E. D
Hint
Vision in dim light depends on the pigment of the rod cells; ask which vitamin the body needs in order to build the light-absorbing part of that pigment.
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