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

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

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

Which clinical feature is characteristic of erysipelas?

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

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

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

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

<p>Necrotizing fasciitis (A)</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 (D)</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 (C)</p> Signup and view all the answers

Which of the following is a characteristic of a carbuncle?

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

Which of the following is a risk factor for impetigo?

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

What is the recommended treatment for impetigo?

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

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

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

Which organism is the most common cause of erysipelas?

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

Which clinical feature is characteristic of cellulitis?

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

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

<p>Nasopharyngeal infection (C)</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 (D)</p> Signup and view all the answers

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

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

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

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

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

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

Which of the following is the recommended treatment for impetigo?

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

Which of the following is a risk factor for impetigo?

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

Which of the following is a risk factor for erysipelas?

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

Which of the following is NOT a characteristic of cellulitis?

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

Which of the following is a complication of erysipelas?

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

Which of the following is a common cause of cellulitis?

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

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

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

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

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

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

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

Which of the following is a risk factor for impetigo?

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

What is the recommended treatment for erysipelas?

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

What is the characteristic appearance of impetigo?

<p>Crusting or bullae (B)</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. (B)</p> Signup and view all the answers

What is the recommended treatment for nonpurulent, uncomplicated cellulitis?

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

Which of the following is a risk factor for cellulitis?

<p>Immunocompromised state (D)</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 (D)</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) (A)</p> Signup and view all the answers

Which of the following is a characteristic of a furuncle?

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

Which organism is the most common cause of impetigo?

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

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

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

Which organism is the most common cause of erysipelas?

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

Which of the following is a risk factor for cellulitis?

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

What is the characteristic appearance of erysipelas?

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

Which of the following is a complication of erysipelas?

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

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

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

Which of the following is a risk factor for cellulitis?

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

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

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

Which of the following is a characteristic of impetigo?

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

Which of the following is a risk factor for cellulitis?

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

What is the recommended treatment for erysipelas?

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

Which of the following is a risk factor for impetigo?

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

Which bacteria is the predominant cause of impetigo?

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

What is the recommended treatment for erysipelas?

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

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