Mycology

Question 1

Unicellular form of Fungi seen
in 35-37C

Answer 1

Yeast

Question 2

Multicellular form of Fungi
seen in room temperature

Answer 2

Mold

Question 3

What kind of hyphae is seen as
a feature of the most medically
important fungi

Answer 3

Septate hyphae

Question 4

Negative stain used to detect
Cryptococcus neoformans

Answer 4

India Ink

Question 5

Stain added to KOH which
stains fungal cell wall and
makes it fluorescent

Answer 5

Calcofluor white

Question 6

Stain used for the detection of
Pneumocystis carinii

Answer 6

Gomori-methenamine
silver stain

Question 7

Standard culture for the
isolation of fungal agents

Answer 7

Sabouraud’s dextrose agar

Question 8

Mechanism of action of
Amphotericin B

Answer 8

Binds to ergosterol in
fungal cell membranes
forming leaky pores

Question 9

Only fungal disease that is
infective to other organisms
and is the most prevalent
mycosis in the world.

Answer 9

Cutaneous mycoses

Question 10

Hypo/hyper pigmented
macules/ patches with
characteristic feature of
spaghetti and meatballs
appearance in KOH preparation

Answer 10

Malassezia furfur

Question 11

Malassezia furfur shows what
kind of fluorescence on Wood’s
lamp

Answer 11

Coppery-orange

Question 12

Organism that can cause
fungemia in premature infants
on IV lipid supplements

Answer 12

Malassezia furfur