Fungal Spoilage and Toxins in Food

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Questions and Answers

Which organism can grow in a drier, more acidic, and higher osmotic pressure environment than bacteria?

  • Viruses
  • Molds (correct)
  • Yeasts
  • Bacteria

What type of response does amanitin involve?

  • Viral response
  • Cell-mediated immune response (correct)
  • Antibody response
  • Inflammatory response

Which of the following is NOT a form of fungal disease mentioned in the text?

  • Ergotism (correct)
  • Mycotoxicoses
  • Mycotic infections
  • Granulomas

Which toxin is known to cause liver damage and tumors in animals and human hepatic carcinoma?

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

What is the response to ergotism considered in terms of skin test?

<p>Delayed hypersensitivity skin test response (C)</p> Signup and view all the answers

Which type of toxins are produced by fungi in mycotoxicoses?

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

Which of the following is an effective host defense against certain fungi?

<p>Fatty acids in the skin (A)</p> Signup and view all the answers

What is a characteristic manifestation of an asthmatic reaction caused by fungal exposure?

<p>IgE-mediated bronchoconstriction (C)</p> Signup and view all the answers

Which fungus can cause ringworm of the scalp?

<p>Trichophyton (C)</p> Signup and view all the answers

How are fungal infections diagnosed in the lab through direct microscopic examination?

<p>Staining with special fungal stains (A)</p> Signup and view all the answers

In which case is overgrowth of fungi likely to occur in the body?

<p>When the skin's flora is suppressed (C)</p> Signup and view all the answers

What specimen is typically used for direct microscopic examination in diagnosing fungal diseases?

<p>Skin scrapings (D)</p> Signup and view all the answers

What is the term used to describe fungi whose sexual spores are unknown but produce asexual spores?

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

How are blastospores typically produced?

<p>By budding of yeast cells (A)</p> Signup and view all the answers

Which type of fungus produces basidiospores carried on basidium?

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

Which type of fungal infection is characterized by infections confined to the stratum corneum without tissue invasion?

<p>Superficial Mycoses (A)</p> Signup and view all the answers

What type of toxin is typically associated with Mycetismus?

<p>Pre-formed toxin (B)</p> Signup and view all the answers

Which class of fungi is known for causing most human infections according to the text?

<p>Deuteromycetes (B)</p> Signup and view all the answers

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