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JEE Main levelSingle correct optionDifficulty 2 of 3el080

A skin test is often carried out before a patient is given penicillin because

Ait fixes the correct dose by measuring body mass
Bpenicillin is inactive in people with blood group O
Cit shows whether the patient's bacteria are Gram-positive
Dsome people are allergic to penicillin and may react seriously

Answer: D

Penicillin is allergenic to some individuals, so the patient is tested to avoid a serious hypersensitivity reaction.

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