The cell wall of fungi primarily contains:
Anonymous Quiz
8%
A) Peptidoglycan
19%
B) Lipopolysaccharide
73%
C) Chitin
0%
D) Cellulose
0%
E) Murein
Which of the following is a zoophilic dermatophyte?
Anonymous Quiz
58%
A. Microsporum canis
25%
B. Epidermophyton floccosum
17%
C. Trichophyton rubrum
0%
D. Microsporum audouinii
0%
E. Candida albicans
The cell membrane of fungi contains ___, which differs from human cell membranes that contain cholesterol:
Anonymous Quiz
4%
A) Phospholipid
82%
B) Ergosterol
7%
C) Glycerol
7%
D) Sphingomyelin
0%
E) Lecithin
There are four classes of fungi in taxonomical classification. Which of the following is NOT one of them?
Anonymous Quiz
4%
A) Zygomycetes
0%
B) Ascomycetes
15%
C) Basidiomycetes
15%
D) Deuteromycetes
65%
E) Actinomycetes
Yeasts reproduce by:
Anonymous Quiz
11%
A) Binary fission
11%
B) Spore formation
74%
C) Asexual budding
4%
D) Conjugation
0%
E) Transduction
Which organism is an example of a true yeast?
Anonymous Quiz
14%
A) Candida albicans
7%
B) Aspergillus fumigatus
79%
C) Cryptococcus neoformans
0%
D) Rhizopus
0%
E) Penicillium
Candida albicans is classified as:
Anonymous Quiz
13%
A) True yeast
83%
B) Yeast-like fungi (with pseudohyphae)
0%
C) Mold
3%
D) Dimorphic fungus
0%
E) Basidiomycete
Molds grow as long filaments called:
Anonymous Quiz
4%
A) Conidia
28%
B) Pseudohyphae
68%
C) Hyphae
0%
D) Spores
0%
E) Rhizoids
Which of the following is an example of molds (not dimorphic fungi)?
Anonymous Quiz
8%
A) Histoplasma capsulatum
21%
B) Blastomyces dermatitidis
17%
C) Coccidioides immitis
46%
D) Aspergillus species
8%
E) Sporothrix schenckii
Dimorphic fungi exist as hyphal/mycelial forms in soil at what temperature?
Anonymous Quiz
0%
A) 4°C
23%
B) 37°C
77%
C) 22–25°C
0%
D) 42°C
0%
E) 15°C
Sexual spores of fungi are of three types. Which of the following is NOT a sexual spore?
Anonymous Quiz
0%
A) Zygospore
5%
B) Ascospore
9%
C) Basidiospore
64%
D) Conidiospore
23%
E) All are sexual
Ascospores are formed in a sac called:
Anonymous Quiz
0%
A) Basidium
22%
B) Sporangium
74%
C) Ascus
4%
D) Conidiophore
0%
E) Sporangiophore
Which fungus is a part of the normal human flora?
Anonymous Quiz
16%
A) Aspergillus fumigatus
24%
B) Cryptococcus neoformans
60%
C) Candida albicans
0%
D) Histoplasma capsulatum
0%
E) Rhizopus
Fungal infection that occurs in immunocompromised hosts is called:
Anonymous Quiz
0%
A) Primary mycosis
13%
B) Systemic mycosis
78%
C) Opportunistic mycosis
4%
D) Subcutaneous mycosis
4%
E) Superficial mycosis
Ingestion of Amanita mushrooms causes liver necrosis due to the presence of which toxins?
Anonymous Quiz
22%
A) Aflatoxin and ochratoxin
61%
B) Amanitin and phalloidin
9%
C) Ergotamine and cyclosporin
0%
D) Gliotoxin and fumagillin
9%
E) Trichothecene and zearalenone
Inhalation of spores of Aspergillus fumigatus causes allergic bronchopulmonary aspergillosis, which is mediated by:
Anonymous Quiz
15%
A) IgG
26%
B) IgM
4%
C) IgA
52%
D) IgE
4%
E) IgD
Use of 10% KOH in direct microscopy of fungi works by:
Anonymous Quiz
0%
A) Staining fungal cell walls
85%
B) Dissolving tissue material leaving fungi intact
4%
C) Killing bacteria in specimen
12%
D) Enhancing spore visualization
0%
E) Fixing the specimen
India ink preparation of CSF is useful for demonstrating the capsule of:
Anonymous Quiz
4%
A) Candida albicans
4%
B) Aspergillus fumigatus
81%
C) Cryptococcus neoformans
7%
D) Histoplasma capsulatum
4%
E) Mucor species
The most commonly used culture medium for fungal culture is:
Anonymous Quiz
0%
A) Blood agar
4%
B) MacConkey agar
96%
C) Sabouraud's dextrose agar (SDA)
0%
D) Chocolate agar
0%
E) Lowenstein-Jensen medium
Microscopy of fungal colony is carried out in which mount to study hyphae morphology?
Anonymous Quiz
4%
A) India ink mount
4%
B) KOH mount
93%
C) Lactophenol cotton blue (LPCB) mount
0%
D) Gram stain
0%
E) PAS stain