Skin & Skin Structure Infections

18 Questions | Total Attempts: 130

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Skin Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following are true regarding diabetic foot infections?
    • A. 

      S. aureus and e. faecalis are the most commonly isolated pathogens, although gram+, gram-, and anaerobic bacteria might occur

    • B. 

      Not all diabetic foot ulcers are infected

    • C. 

      Cultures should be taken from the wound

  • 2. 
    If a patient with a diabetic foot ulcer has systemic symptoms such as fever, chills, tachycardia, hypotension, confusion, vomiting, leukocytosis, acidosis, severe hyperglycemia, or azotemia, but the cellulitis is only extended 1cm, the infection is classified as...  severe hhyperglycemia, or azotemia severe
    • A. 

      Mild

    • B. 

      Moderate because it is less than 2cm

    • C. 

      Severe

  • 3. 
    You are able to pick the treatment therapy for a patient suffering from a diabetic foot infection.  You immediately start the patient on local wound care.  You also pick empiric systemic therapy for a moderate to severe infection.  Any systemic regimen (with the exception of _______ and ______) will likely have vanco added to cover for MRSA.
    • A. 

      Ertapenem

    • B. 

      Levofloxacin

    • C. 

      Ceftaroline

    • D. 

      Piperacillin/tazobactam

    • E. 

      Meropenem

    • F. 

      Tigecycline

  • 4. 
    An osteomyelitis infection that is spread from adjoining soft-tissue infection and often inclues osteomyelitis secondary to direct inoculation from trauma and surgery (and usually occurs in the long bones, or feet and toes) is known as _______. 
    • A. 

      Contiguous

    • B. 

      Hematogenous

  • 5. 
    A foot puncture wound (through the shoe) is known for causing osteomyelitis due to _______.
    • A. 

      Staph aureus

    • B. 

      Salmonella

    • C. 

      Klebsiella

    • D. 

      Pseudomonas

  • 6. 
    If we use this drug for greater than 2 weeks, the chance of irreversible peripheral neuropathy and thrombocytopenia might occur.
    • A. 

      Telavancin

    • B. 

      Moxifloxacin

    • C. 

      Linezolid

    • D. 

      Quinupristin/dalfopristin

  • 7. 
    Which of the following are true regarding furuncles and carbuncles?
    • A. 

      Small, non-severe carbuncles can usually be treated with moist heat

    • B. 

      Larger abscesses or carbuncles require incision and drainage

    • C. 

      Outbreaks of both infections can occur in families or other close-contact situations

    • D. 

      Usually caused by strep

    • E. 

      A furuncle involves several adjacent hair follicles

  • 8. 
    Which of the following is not traditionally recommended for MRSA secondary to inducible resistance?
    • A. 

      Bactrim

    • B. 

      Doxycycline

    • C. 

      Minocycline

    • D. 

      Clindamycin

    • E. 

      Televancin

  • 9. 
    Which of the following are associated with impetigo?
    • A. 

      Most common sites include the trunk and extremities

    • B. 

      Yellow-brown, crusty lesions that are left when lesions dry (cornflakes)

    • C. 

      Almost always caused by b-hemolytic streptococci (Group A) or staph aureus

    • D. 

      Recommended treatment for MSSA is doxycycline 100mg po bid or bactrim ds po bid

    • E. 

      Recommended treatment for MRSA is dicloxacillin 500-1000mg po q 6-8h or cephalexin 500mg po tid

  • 10. 
    If somebody has elevated CRP we might suspect what type of infection?
    • A. 

      Diabetic foot infection

    • B. 

      Cellulitis

    • C. 

      Necrotizing fasciitis

    • D. 

      Osteomyelitis

  • 11. 
    The 4 Cs are: crowing, cleanliness, contamination, and ________.
  • 12. 
    Which of the following drugs must we obtain a negative pregnancy test before we can use it for MRSA?
  • 13. 
    Which of the following are true regarding erysipelas?
    • A. 

      Intense red color, raised and well demarcated edges

    • B. 

      Most commonly associated with streptococci (s. pyogenes) and sometimes staph

    • C. 

      PCN is usually the treatment if it is strep

  • 14. 
    Which of the following is FALSE regarding cellulitis?
    • A. 

      A previously healthy patient that gets cellulitis is probably infected with a gram + bacteria such as MSSA, group A strep, or MRSA

    • B. 

      Blood cultures are positive in >90% of cases

    • C. 

      The lesion is indistinguishable from rest of skin (other than by color)

    • D. 

      It is an infection of deeper dermis and subcutaneous fat

    • E. 

      Usually bacteria enter through a break in the skin

    • F. 

      At risk populations include the obese and those with lymphatic obstruction

  • 15. 
    Over 90% of this type of infection occurs on the leg and is associated with an intense burning pain.
    • A. 

      Cellulitis

    • B. 

      Impetigo

    • C. 

      Osteomyelitis

    • D. 

      Erysipelas

    • E. 

      Necrotizing fasciitis

  • 16. 
    Which of the following are true regarding cellulitis treatment?
    • A. 

      IV therapy is preferred for both simple and complicated infections

    • B. 

      5 days has been shown as effective as 10 day treatment for simple infections

    • C. 

      Tigecycline, Nafcillin, Cefazolin, Vanco, Linezolid, Daptomycin, Telavancin, and Ceftaroline are IV treatments used

    • D. 

      Daptomycin is avoided because it causes severe nausea and vomiting in about 1 out of every 3 patients

  • 17. 
    Which of the following are true regarding necrotizing fasciitis?
    • A. 

      Requires operative intervention in addition to antibiotics

    • B. 

      Causes severe, constant pain, bullae, gas in soft tissues, edema, and skin necrosis

    • C. 

      Rapid spreading may occur while on antibiotic therapy

    • D. 

      Over 66% of cases present with lower extremity involvement

    • E. 

      Subcutaneous tissues are usually hard to the touch with no distinguishing between muscle and fascia

  • 18. 
    Which antibiotic is given in necrotizing fasciitis for a streptococcus infection because it has additional benefits beyond antimicrobial benefits such as modification of cytokine production and toxin suppression.
    • A. 

      Linezolid

    • B. 

      Daptomycin

    • C. 

      Tigecycline

    • D. 

      Clindamycin

    • E. 

      Minocycline

    • F. 

      Bactrim

    • G. 

      Zosyn

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