Skin Infections Quiz
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Questions and Answers

Which bacteria is the predominant cause of impetigo?

  • MRSA (correct)
  • Streptococcus
  • Haemophilus influenzae
  • E. coli

    • What is the recommended treatment for impetigo?

  • Topical agents only
  • Oral antibiotics and topical agents (correct)
  • Oral antibiotics only
  • No treatment is necessary

    • What is the characteristic appearance of bullous impetigo?

  • Ulceration
  • Blisters (correct)
  • Crusting
  • Superficial inflammation

    • Which organism is the most common cause of cellulitis?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    Which type of infection involves the dermis and may extend to the superficial cutaneous lymphatics?

    <p>Erysipelas</p> Signup and view all the answers

    Which clinical feature is characteristic of erysipelas?

    <p>Orange-like dimpling of the skin</p> Signup and view all the answers

    What is the antibiotic of choice for the treatment of erysipelas?

    <p>Penicillin</p> Signup and view all the answers

    Which of the following is a serious but rare complication of cellulitis?

    <p>Necrotizing fasciitis</p> Signup and view all the answers

    Which of the following is NOT a high-risk symptom for serious cellulitis infection?

    <p>Fever or hypothermia</p> Signup and view all the answers

    Which antibiotic is the drug of choice for hospitalized patients with severe cellulitis suspected or confirmed to be caused by MRSA?

    <p>Vancomycin</p> Signup and view all the answers

    Which of the following is a characteristic of a carbuncle?

    <p>Necrosis of skin and subcutaneous tissue</p> Signup and view all the answers

    Which of the following is a risk factor for impetigo?

    <p>Nasopharyngeal carriage of Staphylococcus aureus</p> Signup and view all the answers

    What is the recommended treatment for impetigo?

    <p>Oral antibiotics and topical agents</p> Signup and view all the answers

    What is the term commonly used when the face is affected by erysipelas?

    <p>Erysipelas</p> Signup and view all the answers

    Which organism is the most common cause of erysipelas?

    <p>Streptococcus pyogenes</p> Signup and view all the answers

    Which clinical feature is characteristic of cellulitis?

    <p>Raised white cell count</p> Signup and view all the answers

    Which of the following is NOT a risk factor for erysipelas?

    <p>Nasopharyngeal infection</p> Signup and view all the answers

    Which bacteria causes cellulitis by breaking down cellular components that would contain and localize the inflammation?

    <p>Streptococcus pyogenes</p> Signup and view all the answers

    Which of the following is NOT a risk factor for cellulitis?

    <p>Young age</p> Signup and view all the answers

    What is the recommended oral therapy for nonpurulent, uncomplicated cellulitis?

    <p>Cephalexin</p> Signup and view all the answers

    Which of the following is a high-risk symptom for serious cellulitis infection?

    <p>Pain disproportionate to physical findings</p> Signup and view all the answers

    What is the characteristic appearance of a carbuncle?

    <p>Clusters of furuncle with necrosis of skin and subcutaneous tissue</p> Signup and view all the answers

    Which of the following is the most common cause of impetigo?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    Which of the following is the recommended treatment for impetigo?

    <p>Oral antibiotics and topical agents</p> Signup and view all the answers

    Which of the following is a risk factor for impetigo?

    <p>Chronic nasopharyngeal carriage of Staphylococcus aureus</p> Signup and view all the answers

    Which of the following is a risk factor for erysipelas?

    <p>Nasopharyngeal infection</p> Signup and view all the answers

    Which of the following is NOT a characteristic of cellulitis?

    <p>Blistering</p> Signup and view all the answers

    Which of the following is a complication of erysipelas?

    <p>Septic arthritis</p> Signup and view all the answers

    Which of the following is a common cause of cellulitis?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    Which of the following is NOT a recommended treatment for cellulitis?

    <p>Surgical treatment</p> Signup and view all the answers

    Which of the following is a risk factor for serious cellulitis infection?

    <p>Fever or hypothermia</p> Signup and view all the answers

    Which of the following is NOT a characteristic of a furuncle?

    <p>Clusters of furuncles with necrosis of skin and subcutaneous tissue</p> Signup and view all the answers

    Which of the following is a recommended treatment for skin abscess?

    <p>Incision and drainage</p> Signup and view all the answers

    Which of the following is a risk factor for impetigo?

    <p>Chronic nasopharyngeal carriage of Staphylococcus aureus</p> Signup and view all the answers

    What is the recommended treatment for erysipelas?

    <p>Oral dicloxacillin</p> Signup and view all the answers

    What is the characteristic appearance of impetigo?

    <p>Crusting or bullae</p> Signup and view all the answers

    Which of the following is a characteristic of cellulitis?

    <p>It is caused by Streptococcus pyogenes and Staphylococcus aureus.</p> Signup and view all the answers

    What is the recommended treatment for nonpurulent, uncomplicated cellulitis?

    <p>Oral therapy with dicloxacillin or cephalexin</p> Signup and view all the answers

    Which of the following is a risk factor for cellulitis?

    <p>Immunocompromised state</p> Signup and view all the answers

    What is the characteristic appearance of a furuncle?

    <p>Clusters of furuncles with necrosis of skin and subcutaneous tissue</p> Signup and view all the answers

    Which of the following is NOT a risk factor for erysipelas?

    <p>Current or prior injury (eg, trauma, surgical wounds, radiotherapy)</p> Signup and view all the answers

    Which of the following is a characteristic of a furuncle?

    <p>Regional lymphadenopathy</p> Signup and view all the answers

    Which organism is the most common cause of impetigo?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    Which of the following is a serious but rare complication of cellulitis?

    <p>Septic arthritis</p> Signup and view all the answers

    Which organism is the most common cause of erysipelas?

    <p>Streptococcus pyogenes</p> Signup and view all the answers

    Which of the following is a risk factor for cellulitis?

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

    What is the characteristic appearance of erysipelas?

    <p>Raised border and bright red, firm, swollen skin</p> Signup and view all the answers

    Which of the following is a complication of erysipelas?

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

    Which of the following is a characteristic of cellulitis?

    <p>It is a superficial infection of the dermis and subcutaneous tissue.</p> Signup and view all the answers

    What is the recommended oral therapy for nonpurulent, uncomplicated cellulitis?

    <p>Cephalexin</p> Signup and view all the answers

    Which of the following is a risk factor for cellulitis?

    <p>Diabetes</p> Signup and view all the answers

    Which of the following is a serious but rare complication of cellulitis?

    <p>Necrotizing fasciitis</p> Signup and view all the answers

    Which of the following is a characteristic of impetigo?

    <p>It is commonly found on the face</p> Signup and view all the answers

    Which of the following is a risk factor for cellulitis?

    <p>Poor hygiene</p> Signup and view all the answers

    What is the recommended treatment for erysipelas?

    <p>Oral antibiotics</p> Signup and view all the answers

    Which of the following is a risk factor for impetigo?

    <p>Poor hygiene</p> Signup and view all the answers

    Which bacteria is the predominant cause of impetigo?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    What is the recommended treatment for erysipelas?

    <p>Oral dicloxacillin</p> Signup and view all the answers

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