Mycotic Infections and Fungi
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Questions and Answers

Which of the following is a factor protecting a normal host from mycotic infections?

  • The fungal membrane contains cholesterol
  • Humoral defenses involving fluid-borne products of the immune system are active in most mycoses
  • Fungi generally grow better at temperatures of 25-30oC than at normal human body temperature of 37oC
  • Fungi require more O2 than is available in most human tissues (correct)
  • What characterizes true or 1ry pathogens?

  • Inhaled spores initiate secondary pulmonary infections (SPI)
  • They are not virulent and cannot invade a healthy host
  • Diseases are transmissible & cause a long-term allergic reaction to fungal proteins
  • They are thermally dimorphic, occurring as hyphae in their natural habitat & converting to yeasts while growing as parasites at normal body temperature (correct)
  • What is a characteristic of opportunistic fungal pathogens?

  • They are not virulent and cannot invade a healthy host
  • They cause diseases that are transmissible and result in long-term allergic reactions to fungal proteins
  • They can cause infections in immunocompromised individuals (correct)
  • They are not endemic to certain geographic areas
  • Which component is NOT involved in protecting the normal host from fungi?

    <p>&quot;Thermal defenses&quot; involving regulation of body temperature</p> Signup and view all the answers

    What is the role of ergosterol in fungi?

    <p>&quot;Ergosterol&quot; is an essential component of the fungal membrane</p> Signup and view all the answers

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