Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MYCOLOGY & VIROLOGY > Opportunistic Mycosis > Flashcards

Opportunistic Mycosis Flashcards

1
Q

Most frequently encountered opportunistic mycosis

A

Candidiasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Candida spp. is a normal microbiota of ___.

A

Oropharynx
GI tract
skin
genitourinary tract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Most common etiologic agent of candidiasis

A

Candida albicans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Antigenic structures of Candida spp.

A

Proteases
Enolase
Heat shock proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Manifestations of cutaneous Candidiasis

A

Intertrigo
Chronic Candida Onychomycosis
Paronychia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Specimen used for diagnosing Candidiasis

A

Skin and nail scrapings
Tissue samples
Body fluids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What agar is used to differenciate Candida spp.?

A

Chromagar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Agar used to allow conidiation of Candida

A

Cornmeal Agar with Tween80

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Microscopic appearance of Candida albicans

A

Budding yeast
Pseudohypae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Screening test for Candidiasis

A

Germ tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Common causative agent of Cryptococcosis

A

Cryptococcus neoformans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Alternative agar used for culturing Cryptococcus

A

Birdseed agar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

New way of testing for Cryptococcosis

A

Latex agglutination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Colony appearance of Cryptococcus neoformans

A

Yeastlike, mucoid, cream to brown

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The most prevalent systemic mycosis

A

Candidiasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Thrush is a manifestation of what mycosis?

A

Candidiasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Treatment for Candidiasis with thrush

A

Topical nyastatin
Oral ketoconazole or fluconazole

18
Q

Capsular polysaccharide present in Cryptococcus neoformans

A

Glucoronoxylomannan (GXM)

19
Q

Modified true or false:

Cryptococcus yeasts can get into the CNS and cause meningoencephalitis

A

True

20
Q

Candida albicans apearance on CHROMagar

Mauve
Pink & fuzzy
Metallic blue w/ pink halo
Green-blue

A

Green-blue

21
Q

Candida tropicalis apearance on CHROMagar

Mauve
Pink & fuzzy
Metallic blue w/ pink halo
Green-blue

A

Metallic blue w/ pink halo

22
Q

Candida krusei apearance on CHROMagar

Mauve
Pink & fuzzy
Metallic blue w/ pink halo
Green-blue

A

Mauve

23
Q

Major clinical manifestation of Cryptococcosis

A

Fungal meningitis, resembling brain tumor

24
Q

Is it feasible to use CSF as a specimen in culturing Cryptococcus?

A

Yes

25
Q

Serological test for Cryptoccocosis

A

GXM test

26
Q

Most common causative agent of Aspergillosis

A

Aspergillus fumigatus

27
Q

Appearance of conidiophores produced by the Aspergillus spp.

A

Long conidiophores w/ terminal vesicles

Phailides produce basipetal chains of conidia

28
Q

Microscopic morphology of Aspergillus

A

Hyaline, septate hyphae

29
Q

What are the two parts of the conidiophore of Aspergillus?

A

Stripe (stem)
Vesicle

30
Q

What is the type of Aspergillus that has metulae and phialides?

A

Biseriate

31
Q

Which species of Aspergillus has a blue-green-colored mold?

A. fumigatus
A. niger
A. terreus
A. flavus

A

A. fumigatus

32
Q

Which species of Aspergillus has a sandy brown or cinnamon buff mold?

A. fumigatus
A. niger
A. terreus
A. flavus

A

A. terreus

33
Q

Mold appearance of A. niger

Blue-green
Dark-brown
Yellow-green
Sandy-brown

A

Dark-brown

34
Q

Mold appearance of A. flavus
Blue-green
Dark-brown
Yellow-green
Sandy-brown

A

Yellow-green

35
Q

This produces the most potent mycotoxin called _____, which frequently contaminates peanuts, corn, grains, and other foods [2 answers]

A

Aspergillus flavus

Aflatoxin

36
Q

What species of Aspergillus is uniquely uniseriate?

A

A. fumigatus

37
Q

Allergic forms of Aspergillosis

A

Allergic bronchopulmonary Aspergillosis
Extrinsic allergic alveolitis

38
Q

What are the causative agents of mucormycosis?

A

Rhizopus
Rhizomucor
Mucor
Lichtheimia
Cunninghamella

39
Q

What is the most prevalent agent of Mucormycosis?

A

Rhizopus oryzae

40
Q

Major clinical form of Mucormycosis

A

Rhinocerebral Mucormycosis

41
Q

The characteristic microscopic finding of Rhizopus spp. is the presence of ______.

A

Rhizoids

MYCOLOGY & VIROLOGY (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions