Mycology Lecture 1: Common Fungal Pathogens and Diagnoses

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Questions and Answers

Which type of pathogen is Aspergillus classified as?

  • Yeasts
  • Filamentous Fungi (correct)
  • Dimorphic fungi
  • Moulds

What is the most common manifestation of Cryptococcus Neoformans infection?

  • Skin rash
  • Meningitis (correct)
  • Pulmonary symptoms
  • Gastrointestinal symptoms

What must be ruled out if there is no obvious reason for a patient to have thrush?

  • Diabetes mellitus
  • Anemia
  • HIV/AIDS (correct)
  • Hepatitis C

Which condition can result from the accumulation of yeast between mucosal surfaces and trauma related to prosthesis?

<p>Denture-associated Candidiasis (B)</p> Signup and view all the answers

Why does a culture of candida from a mouth/respiratory sample not indicate fungal disease?

<p>Candida species are commensals in the oral cavity (B)</p> Signup and view all the answers

What type of immunity is host defense against Histoplasmosis dependent on?

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

What is the typical diagnosis for resistant species of Candida based on the text?

<p>Visual inspection (A)</p> Signup and view all the answers

Which oral condition is commonly referred to as 'Thrush'?

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

What is the virulence factor of Cryptococcus neoformans that allows it to evade opsonization and phagocytosis?

<p>Polysaccharide capsule (A)</p> Signup and view all the answers

At what temperature does Histoplasma capsulatum typically grow in its hyphal stage?

<p>25º C (A)</p> Signup and view all the answers

Which group of patients are particularly susceptible to invasive Aspergillosis?

<p>Severely immunocompromised patients (C)</p> Signup and view all the answers

What are some symptoms of oral mucosal candidiasis as described in the text?

<p>Chronic oral discomfort (C)</p> Signup and view all the answers

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