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rriueiei rriueiei
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6 years ago
Impaired vision may result from a deficiency of:
 
  a. pyridoxine (vitamin B6). c. potassium.
  b. retinol (vitamin A). d. cyanocobalamin (vitamin B12).
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wrote...
6 years ago
ANS: B

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A Incorrect: Vitamin B6 deficiency does not cause visual changes.
B Correct: Retinol is important to normal eye function.
C Incorrect: Potassium deficiency does not cause visual changes.
D Incorrect: Vitamin B12 deficiency does not cause visual changes.
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