A patient is having thick, gray coating on the throat and tonsils, followed with fever, chills and swollen glands in the neck. Microscopic examination of nasopharyngeal or pharyngeal swab showed gram positive organism with a special stain. The constitutes of the stain are:-
Correct Answer: Toluidine blue, malachite green, glacial acetic
Description: Gram positive organism causing gray colored coating (pseudomembrane) is Corynebacterium diphtheriae . So the specific stain is Albe stain. Contents of Albe stain:-Stain A- glacial acetic acid, malachite green ,toluidine blueStain B- KI + I2
Category:
Microbiology
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