KROK 1 2020 – Question 145 · KROK (Medicine) · Microbiology, Virology, and Immunology

A laboratory received a sputum sample obtained from a patient with tuberculosis. What staining method should be used to detect the causative agents of tuberculosis?

  1. A. Ziehl-Neelsen
  2. B. Neisser
  3. C. Gram-Sinov
  4. D. Burri-Gins
  5. E. Romanowsky-Giemsa
Hint

Ask which special stain exploits the unusual lipid-rich wall that makes this pathogen resist ordinary dyes and decolorization.

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