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Questions and Answers
What is the distinctive feature of Cryptococci that makes them visible under the microscope?
What is the distinctive feature of Cryptococci that makes them visible under the microscope?
- Their large, opaque capsules
- Their small, opaque capsules
- Their small, transparent capsules
- Their large, transparent capsules (correct)
Which method is particularly useful in detecting Cryptococcus neoformans in cerebrospinal fluid (CSF)?
Which method is particularly useful in detecting Cryptococcus neoformans in cerebrospinal fluid (CSF)?
- India ink preparation (correct)
- Acid-fast staining
- Fluorescent staining
- Gram staining
What is mixed with centrifuged CSF to detect Cryptococcus neoformans?
What is mixed with centrifuged CSF to detect Cryptococcus neoformans?
- India ink (correct)
- Gram's iodine
- Sudan III
- Crystal violet
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Study Notes
Cryptococci Characteristics
- The distinctive feature of Cryptococci is its large polysaccharide capsule, which makes them visible under the microscope.
Detection of Cryptococcus neoformans
- India ink stain is particularly useful in detecting Cryptococcus neoformans in cerebrospinal fluid (CSF).
- Centrifuged CSF is mixed with India ink to detect Cryptococcus neoformans.
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