Common Skin Disorders and Infections in Dermatology
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Questions and Answers

What is the most common age range for the onset of lichen planus?

  • 30-60 years (correct)
  • 10-30 years
  • 20-40 years
  • 40-70 years

Which of the following is NOT a clinical variant of lichen planus mentioned in the text?

  • Oral
  • Pemphigus (correct)
  • Plantar
  • Hypertrophic annular

Which of the following is a systemic treatment option for lichen planus mentioned in the text?

  • Acitretin
  • Methotrexate
  • Cyclosporin
  • All of the above (correct)

Which of the following is NOT a cause of pruritus (itching) mentioned in the text?

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

Which of the following viral infections is mentioned in the text as causing skin lesions?

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

Which of the following is a bacterial infection that can affect the skin?

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

Which of the following fungal infections is mentioned in the text?

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

What is the prevalence of lichen planus mentioned in the text?

<p>1-2% of the population (A)</p> Signup and view all the answers

Which of the following is a characteristic skin lesion of lichen planus mentioned in the text?

<p>Flat-topped violaceous papules (B)</p> Signup and view all the answers

Which of the following is a potential cause of pruritus (itching)?

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

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