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Questions and Answers
What is the primary purpose of the Gram stain?
What is the primary purpose of the Gram stain?
- To determine the shape of bacterial cells
- To distinguish bacteria as Gram-positive or Gram-negative (correct)
- To identify the type of media used for bacterial growth
- To classify bacteria as aerobic or anaerobic
What is the color of Gram-positive cells after the Gram stain procedure?
What is the color of Gram-positive cells after the Gram stain procedure?
- Green
- Purple (correct)
- Red to pink
- Blue
What is the purpose of the decolorizer in the Gram stain procedure?
What is the purpose of the decolorizer in the Gram stain procedure?
- To add color to the bacterial cells
- To fix the bacterial cells to the slide
- To enhance the contrast between Gram-positive and Gram-negative cells
- To remove excess stain from the bacterial cells (correct)
What is the total magnification used to view the Gram-stained slide?
What is the total magnification used to view the Gram-stained slide?
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What is the recommended time to wait after applying the crystal violet to the slide?
What is the recommended time to wait after applying the crystal violet to the slide?
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What is the purpose of the counterstain in the Gram stain procedure?
What is the purpose of the counterstain in the Gram stain procedure?
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Why is it important to blot the slide with absorbent paper after staining?
Why is it important to blot the slide with absorbent paper after staining?
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What type of microscope is used to view the Gram-stained slide?
What type of microscope is used to view the Gram-stained slide?
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