KROK 1 2018 – Question 90 · KROK (Medicine) · Microbiology, Virology, and Immunology
A toxin neutralized with 0.4% formaldehyde under 37-40° C for 4 weeks is used for vaccination. This preparation was first used by Gaston Ramon for diphtheria prevention. Name this preparation:
- A. Antitoxic serum
- B. Immunoglobulin
- C. Inactivated vaccine
- D. Anatoxin
- E. Adjuvant
Hint
Think about what formaldehyde does to the toxicity and the immunogenicity of a bacterial toxin, and what kind of immunity such a product is meant to induce.
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