Multiple choice

Positive Schick's test indicates that the person is

  1. immune to diphtheria

  2. hypersensitive to diphtheria

  3. susceptible to diphtheria

  4. susceptible & hypersensitive to diphtheria
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A positive Schick test shows local inflammation at the injection site, indicating both susceptibility to diphtheria (no protective antitoxin antibodies) and a hypersensitivity reaction to the diphtheria toxin.

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