10 Questions
Which method is used to detect Treponema pallidum in material from primary or secondary syphilitic lesions?
Darkfield microscopy
What is the primary stain used in Acid Fast Stain?
Carbol fuchsin
What is the purpose of 10% potassium hydroxide (KOH) preparation?
To break down the tissue surrounding the fungal mycelia
Which stain is used to differentiate bacteria based on cell wall characteristics?
Gram Stain
What is the purpose of Phase-contrast microscopy?
To visualize unstained specimens
What is the purpose of the hanging drop technique in bacterial identification?
To observe the motility of bacteria
Which stain is used to differentiate bacteria based on the presence of teichoic acid in their cell walls?
Gram stain
What is the primary purpose of 10% potassium hydroxide (KOH) preparation in bacterial identification?
To break down tissue surrounding fungal mycelia
What is the main function of phase-contrast microscopy in bacterial identification?
To observe the motility of bacteria
What is the primary stain used in Ziehl-Neelsen (acid-fast) stain?
Carbol fuchsin
Test your knowledge of direct examination methods for bacterial identification, including saline mount, hanging drop technique, iodine mount, and more.
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