A smear of sputum from the patient with suspected lobar pneumonia was stained with the use of the following stains and reagents: solution of gentian violet, Lugol's solution, 96° alcohol, water magenta. What staining method was applied in this case?

Answer options

1. Leffler
2. Romanovsky
3. Ziehl-Nielsen
4. Gram
5. Neisser

Explanation

A smear of sputum from the patient with suspected lobar pneumonia was stained with the use of the following stains and reagents: solution of gentian violet, Lugol's solution, 96° alcohol, water magenta. What staining method was applied in this case? The staining method described above is a Gram stain.