Skin Disorders: Perioral Dermatitis and Contact Dermatitis Quiz

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Questions and Answers

Which type of reaction is characteristic of irritant contact dermatitis?

  • Type III hypersensitivity reaction
  • Type I hypersensitivity reaction
  • Type II hypersensitivity reaction
  • Non-immunologic reaction (correct)

What is a common risk factor for apulosquamous perioral dermatitis?

  • Regular exercise routine
  • Fluorinated toothpaste use (correct)
  • Hx of consuming shellfish
  • Genetic predisposition

Characteristic clinical manifestations of diaper dermatitis include all of the following EXCEPT:

  • Lichenification and fissuring
  • Shiny erythema with dull margins
  • Satellite lesions
  • Regular diaper dermatitis spares skin folds (correct)

What is a common secondary infection associated with diaper rash?

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

Which region is commonly affected by diaper rash in infants?

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

What distinguishes allergic contact dermatitis from irritant contact dermatitis?

<p>Type IV hypersensitivity reaction (C)</p> Signup and view all the answers

What is the first-line treatment for flares of seborrheic dermatitis?

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

Which condition is seborrheic dermatitis often associated with in patients with neurologic diseases and HIV?

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

What is a common trigger for seborrheic dermatitis exacerbation?

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

Which area of the body is commonly affected by seborrheic dermatitis due to high sebaceous gland secretion?

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

What is the characteristic appearance of erythematous plaques associated with seborrheic dermatitis?

<p>With fine white scales and greasy appearance (D)</p> Signup and view all the answers

What is the most appropriate treatment for mild seborrheic dermatitis?

<p>Topical selenium sulfide (B)</p> Signup and view all the answers

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