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</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</p> Signup and view all the answers

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

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

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

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

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

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

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

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

    Which group of patients are particularly susceptible to invasive Aspergillosis?

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

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

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

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