Microbiology Techniques Quiz
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main difference between yeast and mold in terms of growth conditions?

  • Yeast and mold both grow best at 21-25 degrees Celsius.
  • Yeast grows best at 21-25 degrees Celsius, while mold thrives at 37 degrees Celsius.
  • Yeast and mold both grow best at 37 degrees Celsius.
  • Yeast grows best at 37 degrees Celsius, while mold thrives at 21-25 degrees Celsius. (correct)

Which term describes the chain of elongated yeast cells?

  • Thallus
  • Pseudohyphae (correct)
  • Mycelium
  • Hyphae

What is the purpose of the Aerial part of the mold's Thallus structure?

  • Obtaining nutrients
  • Breaking down nutrients
  • Producing spores
  • Support reproduction (correct)

What is the difference between Monomorphic and Polymorph fungi?

<p>Monomorphic fungi have one form, while Polymorphic fungi have two distinct forms in their life cycle. (A)</p> Signup and view all the answers

What is the incubation period for fungi cultures before examination in the laboratory?

<p>1 week to several months (D)</p> Signup and view all the answers

Which term refers to the entire body of a mold that is examined under a microscope for identification purposes?

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

What is a characteristic feature of fungi?

<p>Rigid cell walls for maintaining shape and attachment (D)</p> Signup and view all the answers

Why are fungi considered achlorophyllous?

<p>Inability to synthesize their own food (B)</p> Signup and view all the answers

Which characteristic distinguishes fungi from bacteria in terms of habitat?

<p>Prefer natural habitats like soil and organic debris (D)</p> Signup and view all the answers

Why are fungi described as chemotrophic?

<p>They secrete enzymes to degrade organic substrates (A)</p> Signup and view all the answers

Which type of fungi infection does not initiate an immune response due to lack of cellular response?

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

What role does the cell wall play in fungi infections?

<p>Maintains shape and facilitates attachment (B)</p> Signup and view all the answers

What staining method is used to detect the presence of Cryptococcus neoformans in cerebrospinal fluid (CSF)?

<p>India ink method (C)</p> Signup and view all the answers

Which type of stain is commonly used to check the presence of intracellular yeast in bone marrow aspirate or peripheral blood smear?

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

What is the purpose of using Lactophenol Cotton Blue (LPCB) in microscopy for teasing and scotch tape preparations?

<p>To visualize fungal elements (C)</p> Signup and view all the answers

Which staining method is used to identify all fungal elements appearing black?

<p>Gomori's Methenamine Silver Stain (D)</p> Signup and view all the answers

For which purpose is Wood's light typically used in a clinical setting?

<p>Determining prognosis of a patient (D)</p> Signup and view all the answers

Which category of antifungal agents inhibits chitin and DNA synthesis?

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

More Like This

Use Quizgecko on...
Browser
Browser