Malassezia Furfur Characteristics
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Questions and Answers

What is the primary form of Malassezia furfur and other Malassezia species?

  • Hyphal form
  • Yeast form (correct)
  • Filamentous structures
  • Conidial form

Why is Malassezia furfur not frequently isolated from clinical specimens?

  • It is a commensal organism
  • It is not commonly encountered
  • It has strict nutritional requirements (correct)
  • It is not pathogenic

What type of fatty acids does Malassezia furfur require in vitro?

  • Short and medium chain fatty acids
  • Medium chain fatty acids
  • Medium and long chain fatty acids (correct)
  • Short chain fatty acids

Which species of Malassezia is associated with otitis externa in dogs?

<p>M. pachydermatis (B)</p> Signup and view all the answers

What is the optimal growth temperature range for Malassezia furfur?

<p>35°C to 37°C (D)</p> Signup and view all the answers

Which medium does not require the addition of exogenous lipids for Malassezia pachydermatis growth?

<p>Standard fungal media (B)</p> Signup and view all the answers

What is the typical color of M. pachydermatis colonies?

<p>White to creamy (A)</p> Signup and view all the answers

Which antifungal is most isolates of M. furfur resistant to?

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

What is the characteristic of M. pachydermatis in terms of filamentous forms?

<p>It has no known filamentous forms (A)</p> Signup and view all the answers

Which of the following antifungals is M. furfur susceptible to?

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

What is the morphology of M. pachydermatis colonies?

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

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