B) almost continuously by asexual means, and sexually only periodically
Most fungi can be classified as saprobic, which means:
D) they feed on dead organic matter
Vegetative mycelium:
D) is responsible for gathering nutrients for the mold
New genetic forms of fungi evolve when:
B) there is a mixing of chromosomes during sexual reproduction
The distinctive characteristic of the dermatophytes is:
C) the presence of macroconidia
Dermatomycosis are superficial skin infections, and often develop into systemic infections
a) true
b) false
b) false
Culture on Sabouraud’s agar is used primarily:
D) to diagnose systemic mycoses in blood, fluids, lung aspirates
Which of these infections is caused by a dermatophyte?
C) ringworm
Dermatomycosis refers to fungal disease:
C) of the hair, skin, and nails
The following is true of all systemic mycoses which we discussed in class except:
B) often cause only superficial infection
Most systemic mycoses are transmitted by:
C) inhalation of spores from the environment
An India ink prep might be ordered on a cerebrospinal fluid to see encapsulated yeast, which is diagnosis of:
D) Cryptococcus neoformans
Which of the following applies to the fungus Cryptococcus neoformans?
D) the organism grows in dropping of pigeons
Histoplasmosis is primarily a disease of
D) the lungs
Aspergillus fumigatus causes several diseases. If spores of this organism become localized in earwax, Hyphae may invade the auditory canal. This condition if referred to as
D) Otomycosis
Some fungal diseases are caused by an organism that is normally found in the human intestine. This “opportunistic” pathogen is:
C) Candida albicans
All of the following are associated with Candida albicans except:
A) Meningitis
A patient with a veneral disease goes to her gynecologist. She had pruritis, a whitish “cheesy” discharge, and burning internal pain. The physician’s diagnosis probably is:
C) Yeast infection
Candida albicans infection of the intestine may occur as a result of:
B) overuse of antibiotics
One could identify a culture as being Candida albicans by observing:
D) its ability to produce germ tubes
Candida albicans is a part of the normal flora of the upper respiratory tract, the vagina, the skin and the intestinal tract:
a) true
b) false
a) true
Which is also called onychia?
D) Cutaneous Candidiasis
Nystatin is:
A) an antifungal agent used to treat Candidiasis
A “yeast infection” in humans usually refers to:
B) the infection due to Candida albicans
Tinea diseases are dermatophytoses caused by several different genera of fungi. Each of the following is identified in this chapter as causing tinea except:
D) Emmonsiella
Which of the following pairs is incorrectly matched?
