Common Fungal Infections Quiz

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Questions and Answers

Which organism is the most often isolated in Tinea corporis (ringworm)?

  • T. rubrum
  • Sporotrichosis
  • Epidermophyton floccosum (correct)
  • Microsporum hyphae

What is the predominant infecting species of Tinea capitis in the USA?

  • Trichophyton tonsurans (correct)
  • Microsporum
  • T. rubrum
  • Epidermophyton floccosum

How does Tinea capitis manifest under long-wave ultraviolet light (Wood lamp)?

  • Red fluorescence
  • No fluorescence
  • Blue fluorescence
  • Green fluorescence (correct)

Which organisms are the causative agents of Tinea cruris (jock itch)?

<p>E. floccosum, T. rubrum (D)</p> Signup and view all the answers

What is the characteristic manifestation of Tinea unguium (onychomycosis) on nails?

<p>Thickened, discolored, brittle (A)</p> Signup and view all the answers

How are subcutaneous mycoses typically acquired?

<p>Through traumatic lacerations or puncture wounds (D)</p> Signup and view all the answers

What is the common mode of acquisition for sporotrichosis?

<p>Prick of a thorn (A)</p> Signup and view all the answers

Which type of infection are subcutaneous mycoses not transmissible under?

<p>Ordinary conditions (A)</p> Signup and view all the answers

What does oral candidiasis manifest as in the mouth?

<p>Mycosis on the mucous membrane (B)</p> Signup and view all the answers

What is the sample used for laboratory diagnosis of oral candidiasis?

<p>Scraping of scaly skin (B)</p> Signup and view all the answers

What is the drug of choice for onychomycosis?

<p>Terbinafine (D)</p> Signup and view all the answers

Which of the following is a defining characteristic of dermatophytes?

<p>Ability to use keratin as a source of nutrition (A)</p> Signup and view all the answers

Which of the following genera of dermatophytes does not infect nails?

<p>Microsporum (B)</p> Signup and view all the answers

What is the most common cause of athlete's foot (tinea pedis)?

<p>Trichophyton rubrum (B)</p> Signup and view all the answers

Which type of organisms often cause human infections of dermatophycoses?

<p>Anthropophilic organisms (A)</p> Signup and view all the answers

What is the primary mode of transmission for dermatophyte infections from human to human or animal to human?

<p>Direct contact with an infected person or animal (D)</p> Signup and view all the answers

Which tissue can athlete's foot (tinea pedis) spread to, leading to yellow and breakable nails?

<p>Nails (D)</p> Signup and view all the answers

Which genera of dermatophytes attack the skin but do not infect hair?

<p>Epidermophyton (C)</p> Signup and view all the answers

What is the main nutrient source for dermatophytes?

<p>Keratin (D)</p> Signup and view all the answers

Which genera of dermatophytes attack skin but do not infect nails?

<p>Epidermophyton (B)</p> Signup and view all the answers

Which type of organisms often cause human infections of dermatophycoses?

<p>Anthropophilic organisms (C)</p> Signup and view all the answers

What is the primary mode of transmission for dermatophyte infections from human to human or animal to human?

<p>Direct contact with an infected person or animal (D)</p> Signup and view all the answers

Which tissue can athlete's foot (tinea pedis) spread to, leading to yellow and breakable nails?

<p>Nails (B)</p> Signup and view all the answers

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