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Hypersensitivity to an allergen is associated with

1. aberrant functioning of the immune mechanism
2. increase in ambient temperature
3. age of the individual
4. food habits

Correct answer: aberrant functioning of the immune mechanism

Solution

Hypersensitivity means the immune system reacts too strongly or inappropriately to a normally harmless allergen. That points to an aberrant immune mechanism rather than external factors like temperature, age, or food habits.

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