Question

A student was performing the Kinyoun's acid fast staining method on a sample of bacteria. The resulting stained slide contained only cells that appeared blue when visualized using a microscope. Which of the following could explain why only blue cells were present?



No acid-fast bacteria are present on the slide
The student forgot the methylene blue staining step
The student forgot the carbolfuchsin staining step
The student forgot the acid-alcohol decolorization step
Multiple Choice
Only 2
Only 3
1 and 2
Only 1
1, 2, and 4
1 and 3
Only 4

Answer 1

1. No acid-fast bacteria are present on the slide