alleryWhen does a primary vitamin deficiency occur?
ADisease blocks its absorption
BDrugs interfere with it
CFood supplies too little of it
DSmoking lowers its use
Answer & Solution
Correct answer: C. Food supplies too little of it
1. The question asks about: When does a primary vitamin deficiency occur?
2. Correct answer: Food supplies too little of it. A primary deficiency occurs when an organism does not get enough of the vitamin in its food....
3. Why the others fail: The other options describe secondary deficiency.
_Source: Wikipedia, Vitamin, Deficient intake_
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