Following is used to stain fungi______________?
Correct answer: B. PAS
- A. Fontania stain
- B. PAS
- C. Ferrous trichrome
- D. Pearls prussian blue
Explanation
Periodic acid-Schiff stain highlights fungal cell-wall carbohydrates, making fungi readily visible in tissue sections. Prussian blue instead demonstrates iron, while the other listed stains are not the routine choice for fungi.
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