1. Dermatophytic diseases attributed infections to __
humans
insects
monkeys
birds
b
Explanation: Dermatophytic diseases attributed infections to insects and thus the Romans called these infections tinea, meaning “small insect larva”.
2. Fungus diseases that occur on the nails, skin, hair are referred to as systemic mycoses.
True
False
Ans: b
Explanation: Fungus diseases that occur on the nails, skin, hair, and mucous membranes are referred to as superficial mycoses or dermatomycoses.
3. Which of the following does not grow in Sabouraud’s glucose agar media?
Histoplasma capsulatum
Coccidioides immitis
Sporothrix schenckii
Blastomyces dermatitidis
Answer: d
Explanation: Blastomyces dermatitidis are large round cells that show optimum growth temperature at 37 degrees C on infusion-blood agar media.
4. Which of the following disease is an infection of the reticuloendothelial system?
Cryptococcosis
Moniliasis
Histoplasmosis
Coccidioidomycosis
Answer: c
Explanation: Histoplasmosis may occur as an acute or chronic, localized or disseminated infection of the reticuloendothelial system.
5. Blastomyces brasiliensis causes which of the following disease?
North American blastomycosis
South American blastomycosis
Histoplasmosis
Sporotrichosis
Answer: b
Explanation: Blastomyces brasiliensis causes South American blastomycosis which is most famous in Brazil. Lesions are most commonly found in the mouth and gastrointestinal tract and in the lymph nodes of the neck.
Answer: d
Explanation: Candida albicans causes Moniliasis that may infect any body tissue. It is found on mucous membranes of intestinal tracts.
7. The systemic mycoses are caused mainly by air-borne organisms.
True
False
Answer: a
Explanation: The systemic mycoses are caused by many air-borne organisms that enter the body through the respiratory tract. They may however enter by other portals.
8. Tinea versicolor is caused by ___
Piedraia hortae
Trichosporon beigelii
Malassezia furfur
Candida albicans
Answer: c
Explanation: Malassezia furfur causes tinea versicolor, a generalized fungus infection of the skin covering trunk and sometimes other areas of the body.
9. Ringworm of the scalp is known as ______________
tinea capitis
tinea pides
tinea unguium
onychomycosis
Answer: a
Explanation: The dermatologists frequently used a terminology based on the part of the body involved, for example, tinea capitis is ringworm of the scalp.
10. Black piedra is a fungus infection of the _
skin
foot
hair
nails
Answer: c
Explanation: Black piedra is a fungus infection of hair, characterized by dark brown or black nodules on the hair shaft.
11. Which of the following causes epidemic ringworm of the scalp in children?
Microsporum audouinii
Trichophyton rubrum
Candida albicans
Epidermophyton floccosum
Answer: a
Explanation: Microsporum audouinii is a dermatophyte that causes epidemic ringworm of the scalp in children.
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