Podcast
Questions and Answers
What is the primary use of acid-fast stain in bacteriology?
What is the primary use of acid-fast stain in bacteriology?
- Staining Mycobacterium tuberculosis and Mycobacterium leprae (correct)
- Staining Gram-positive bacteria
- Staining fungal cells
- Staining bacterial spores
What characteristic of microbes does the acid-fast stain bind to?
What characteristic of microbes does the acid-fast stain bind to?
- Presence of a waxy material in their cells (correct)
- Presence of endospores
- Presence of flagella
- Presence of a thick peptidoglycan layer
Besides Mycobacterium, which genus of disease-producing strains is identified using the acid-fast stain?
Besides Mycobacterium, which genus of disease-producing strains is identified using the acid-fast stain?
- Escherichia
- Staphylococcus
- Nocardia (correct)
- Bacillus
Which of the following stains primarily targets microbes with a waxy cell material?
Which of the following stains primarily targets microbes with a waxy cell material?
For which diseases is the identification of Mycobacterium tuberculosis and Mycobacterium leprae critical?
For which diseases is the identification of Mycobacterium tuberculosis and Mycobacterium leprae critical?
Study Notes
Acid-Fast Stain
- Used in bacteriology to stain specific microorganisms
- Particularly effective in staining Mycobacterium tuberculosis and Mycobacterium leprae
- Binds specifically to microorganisms with waxy material in their cells
- Also used to identify disease-producing strains of the genus Nocardia
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Description
Acid-fast stain is used to identify certain bacteria, including Mycobacterium tuberculosis and Mycobacterium leprae, and is also employed to identify disease-producing strains of Nocardia. It binds to microbes with waxy material in their cells.
