Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Free Tools

Explore our collection of AI-powered tools designed to boost your productivity.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing Schools Business

Features Free Tools Pricing Schools Business

Malassezia Infections and Diagnosis Quiz

17 Questions

1 Views

Malassezia Infections and Diagnosis Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is a characteristic morphological appearance of Malassezia furfur in potassium hydroxide (KOH) preparations of skin scrapings?

Spaghetti and meatballs appearance (correct)
Ramen and dumplings appearance
Banana and coconut appearance
Hotdog and ketchup appearance

What is the characteristic fluorescence observed under Wood's lamp for lesions caused by Malassezia furfur?

Blue fluorescence
Golden yellow fluorescence (correct)
Red fluorescence
Green fluorescence

Which of the following conditions is NOT associated with Malassezia furfur?

Seborrheic dermatitis
Folliculitis
Opportunistic fungemia
Candidiasis (correct)

What is the characteristic morphology of Malassezia spp. cells observed in Gram stain preparations from culture?

Oval or bottle-shaped cells with monopolar budding and a septum at the bud scar (A) Signup and view all the answers

Which of the following conditions is also known as 'Malassezia catheter-associated sepsis'?

Systemic infection (C) Signup and view all the answers

Which of the following conditions is mentioned in the text as being associated with Malassezia furfur?

Eczema/dermatitis syndrome atopic (A) Signup and view all the answers

What is the etiologic agent responsible for pityriasis versicolor?

Malassezia furfur complex (B) Signup and view all the answers

What is the most common presentation of pityriasis versicolor?

Fawn-colored macules (C) Signup and view all the answers

Which of the following best describes Malassezia furfur?

Lipophilic yeasts that require lipid in the medium for growth (D) Signup and view all the answers

What type of infection is pityriasis versicolor in immunologically normal patients?

Superficial infection of the stratum corneum (D) Signup and view all the answers

Which skin areas are commonly affected by pityriasis versicolor?

Trunk and upper arms (C) Signup and view all the answers

Which of the following is the most common agar medium used to culture Malassezia furfur?

Sabouraud dextrose agar (A) Signup and view all the answers

What is the typical appearance of Malassezia furfur colonies on SDA with oil overlay?

Dry, white to off-white colonies (D) Signup and view all the answers

Which of the following is the most common laboratory diagnostic method for Tinea nigra?

Direct KOH or calcofluor white examination (D) Signup and view all the answers

What is the primary etiologic agent of Tinea nigra?

Hortaea (Exophiala) werneckii (C) Signup and view all the answers

Which of the following is a common clinical feature of Tinea nigra?

Blackish-brown macular patches (C) Signup and view all the answers

Which of the following is a common treatment for Pityriasis versicolor (caused by Malassezia furfur)?

Topical selenium sulfide (C) Signup and view all the answers