Medical Entomology: Sand Flies and Disease Transmission
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Questions and Answers

What is the recommended treatment for Crusted scabies (Norwegian scabies)?

  • Topical antibiotics
  • Topical ivermectin
  • Topical permethrin 5%
  • Oral Ivermectin (correct)

What is the recommended duration for keeping permethrin 5% on the body after bath?

  • 24-48 hours
  • 12-24 hours
  • 8-12 hours (correct)
  • 2-4 hours

What is the common mode of transmission of scabies?

  • Vector-borne transmission
  • Contaminated clothing
  • Direct skin-to-skin contact (correct)
  • Airborne transmission

What is the primary location where Demodex follicularum and Demodex brevis are found?

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

What is the name of the sign seen on dermoscopy that indicates the presence of scabies mite?

<p>Deltawing jet sign (D)</p> Signup and view all the answers

What is the purpose of adding a drop of mineral oil to the terminal end of a burrow during skin scraping?

<p>To visualize the mite (B)</p> Signup and view all the answers

What is the recommended frequency of washing and changing clothes and bedding in scabies treatment?

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

What is the common complication of Demodex infestation?

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

What is the recommended treatment for Demodex infestation?

<p>Daily washing and tea tree oil (C)</p> Signup and view all the answers

What is the advantage of using dermoscopy in scabies diagnosis?

<p>It is accurate and easy to use (C)</p> Signup and view all the answers

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