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Questions and Answers
Which of the following is a factor protecting a normal host from mycotic infections?
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?
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?
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?
Which component is NOT involved in protecting the normal host from fungi?
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What is the role of ergosterol in fungi?
What is the role of ergosterol in fungi?
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