Eosinophils lecture

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Questions and Answers

What percentage of blood leukocytes are eosinophils?

  • 1-4% (correct)
  • 5-8%
  • 10-15%
  • 20-25%

What is the size of eosinophils?

  • 6µm
  • 9µm
  • 12µm (correct)
  • 15µm

What is the shape of the nucleus in eosinophils?

  • Round
  • Triangular
  • Bi-lobed (correct)
  • Multi-lobed

What is the lifespan of eosinophils?

<p>~10 days (A)</p> Signup and view all the answers

What are the contents of eosinophil granules?

<p>All of the above (D)</p> Signup and view all the answers

What do eosinophils do in defense against multicellular parasites?

<p>Attach to them and release granules (B)</p> Signup and view all the answers

When can eosinophil numbers be highly elevated?

<p>During parasite infections (C)</p> Signup and view all the answers

What role do eosinophils play in allergic diseases?

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

What role do eosinophils play in asthma?

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

What is the function of major basic protein in eosinophil granules?

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

What is the function of histaminases in eosinophil granules?

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

What is the function of proteases in eosinophil granules?

<p>Break down collagen (C)</p> Signup and view all the answers

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