Lab diagnosis - Fungal Flashcards

1
Q

Why KOH preparation is used?

A

It dissolves human cells, allowing visualization

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2
Q

Why Sabouraud agar is used in culturing fungi?

A

Low pH inhibits the growth of bacteria

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3
Q

Calcoflour stain action

A

Stain binds to the complex carbohydrates cell wall of fungi and lights up a bright blue white color

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4
Q

Dx for early infection

A

DNA probes – tests for fungal antigens or antibodies to fungal antigens

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