Systemic & Opportunistic mycoses

Question 1

Thermally dimorphic means

Answer 1

It has a Mold & Yeast phase

Question 2

Systemic fungi is commonly acquired thru

Answer 2

INHALATION

Question 3

Examples of systemic fungi

Answer 3

Histoplasma capsulatum
Blastomyces dermatitidis
Paracoccidioides brasiliensis
Coccidioides immitis
Talaromyces marneffei
Sporothrix schenkii

Question 4

These are knob-like projections

Answer 4

Tuberculate

Question 5

The yeast phase of H. capsulatum is often found in

Answer 5

monocytes & macrophages

Question 6

Most infectious systemic fungi

Answer 6

Coccidiodes immitis

Question 7

C. immitis should be handled and processed under what BSC

Answer 7

III

Question 8

The yeast phase of this fungi resembles a Mariner’s wheel

Answer 8

Paracoccidiodes brasiliensis

Question 9

Non viable ghost cells

Answer 9

disjunctor cells

Question 10

North American blastomycoses

Answer 10

Blastomycoses dermatitidis

Question 11

South American blastomycoses

Answer 11

Paracoccidiodes brasiliensis

Question 12

Formelry Penicillium

Answer 12

Talaromyces marneffei

Question 13

The size of T. marneffei in tissue phase

Answer 13

3-8um

Question 14

It has a broad based blastoconidia

Answer 14

Blastomyces dermatitidis

Question 15

Most are saprobes or saphrophytic

Answer 15

Opportunistic fungi

Question 16

T. marneffei commonly causes disease in ___ patients

Answer 16

HIV-positive

Question 17

Examples of Opportunistic fungi

Answer 17

Aspergillus spp.
Zygomycetes 
Fusarium spp.
Candida albicans
Cryptococcus neoformans
Pneumocystis jiroveci

Question 18

Color of A. fumigatus on SABHI

Answer 18

Green-gray / tan reverse

Question 19

Color of A.flavus on SABHI

Answer 19

Yellow-green / red-brown reverse

Question 20

Color of A.niger on SABHI

Answer 20

Yellow-black / cream or buff reverse

Question 21

Color of A. terreus on SABHI

Answer 21

Tan-cinnamon / yellow reverse

Question 22

A. terreus is resistant to ___

Answer 22

Amphotericin B

Question 23

Most common cause of aspergillosis

Answer 23

A. fumigatus

Question 24

Causes otomycosis

Answer 24

A. niger

Question 25

Zygomycetes are seen as contaminants in ___

Answer 25

grains, bread, fruits

Question 26

Zygomycetes is also known as

Answer 26

Mucorales / Mucormycetes

Question 27

Zygomycetes can grown in __ hours

Answer 27

24-26

Question 28

Colonies may appear yeastlike that develops pink-violet centers

Answer 28

Fusarium spp.

Question 29

The most common yeast isolate

Answer 29

Candida albicans

Question 30

Presumptive identification of C. albicans

Answer 30

Positive germ tube

Question 31

Agent of Cryptococcal meningitis

Answer 31

Cryptococcus neoformans

Question 32

C. neoformans forms a ___ pattern

Answer 32

starburst

Question 33

Non filamentous fungus

Answer 33

Pneumocystis jiroveci

Question 34

Acquired thru contact w/ bird droppings

Answer 34

C. neoformans

Question 35

Stain used to demonstrate the thick polysaccharide capsule of C. neoformans

Answer 35

India ink / Nigrosin

Question 36

Forms a green-gray colony

Answer 36

A. fumigatus

Question 37

Causes systemic infection after BM transplant

Answer 37

Fusarium spp.