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?

Answer options

1. Leffler
2. Gram
3. Hins
4. Neisser
5. Burri

Explanation

A smear from the tonsillar coating of a patient with suspected diphtheriawas found to contain bluebacilli with a thickening at the poles. What method of smear staining was used?C. diphtheria is also known as KLEBS-LEFFLER BACILLUS (the inventors) and Leffler stains blue.