KROK 1 2014 – Question 34 · KROK (Medicine) · Microbiology, Virology, and Immunology
A smear from the tonsillar coating of a patient with suspected diphtheria was found to contain blue bacilli with a thickening at the poles. What method of smear staining was used?
- A. Leffler
- B. Hins
- C. Neisser
- D. Burri
- E. Gram
Hint
Think about the colours that different special stains for the polar granules of this bacillus give to the cell body and to the granules, and compare with the stem.
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