Pityriasis versicolor is caused by:
Anonymous Quiz
6%
A. Candida albicans
26%
B. Exophiala werneckii
65%
C. Malassezia furfur
3%
D. Sporothrix schenckii
0%
E. Trichophyton rubrum
Malassezia furfur requires which substance for growth?
Anonymous Quiz
0%
A. Blood
4%
B. Glucose only
89%
C. Fatty acids
0%
D. Iron
7%
E. Serum proteins
The characteristic microscopic appearance of pityriasis versicolor is:
Anonymous Quiz
8%
A. Broad-based budding
4%
B. Capsule formation
88%
C. Spaghetti and meatballs appearance
0%
D. Septate hyphae at 45°
0%
E. Germ tube formation
Tinea nigra is caused by:
Anonymous Quiz
0%
A. Piedraia hortae
8%
B. Trichosporon beigelli
75%
C. Exophiala werneckii
13%
D. Histoplasma capsulatum
4%
E. Candida albicans
Black piedra mainly affects the:
Anonymous Quiz
4%
A. Nails
15%
B. Skin folds
73%
C. Hair shaft
4%
D. Lungs
4%
E. Bone marrow
Black piedra is caused by:
Anonymous Quiz
0%
A. Candida albicans
83%
B. Piedraia hortae
17%
C. Aspergillus fumigatus
0%
D. Microsporum canis
0%
E. Cryptococcus neoformans
White piedra is caused by:
Anonymous Quiz
4%
A. Sporothrix schenckii
8%
B. Candida glabrata
80%
C. Trichosporon beigelli
0%
D. Rhizopus arrhizus
8%
E. Blastomyces dermatitidis
Dermatophytes infect:
Anonymous Quiz
4%
A. Deep tissues only
0%
B. Blood vessels
92%
C. Keratinized structures
4%
D. CNS only
0%
E. Internal organs only
Which genus infects skin and nails but NOT hair?
Anonymous Quiz
0%
A. Trichophyton
8%
B. Microsporum
88%
C. Epidermophyton
0%
D. Candida
4%
E. Malassezia
Anthropophilic dermatophytes are transmitted mainly from:
Anonymous Quiz
12%
A. Soil to humans
12%
B. Animals to humans
73%
C. Human to human
4%
D. Water to humans
0%
E. Insects to humans
Which of the following is the correct nuclear type of fungi?
Anonymous Quiz
4%
A) Prokaryotic
0%
B) Acaryotic
88%
C) Eukaryotic
8%
D) Amphikaryotic
0%
E) Diplokaryotic
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