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11 Questions

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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?

M. pachydermatis Signup and view all the answers

What is the optimal growth temperature range for Malassezia furfur?

35°C to 37°C Signup and view all the answers

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

Standard fungal media Signup and view all the answers

What is the typical color of M. pachydermatis colonies?

White to creamy Signup and view all the answers

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

Flucytosine Signup and view all the answers

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

It has no known filamentous forms Signup and view all the answers

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

Miconazole Signup and view all the answers

What is the morphology of M. pachydermatis colonies?

Dry and white Signup and view all the answers