Test Your Knowledge On Skin Infections Question!

19 Questions | Total Attempts: 1771

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Test Your Knowledge On Skin Infections Question!

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Questions and Answers
  • 1. 
    __________ presents as a well-defined , spreading erythematous involving the blocking of dermal lymphatics.
    • A. 

      Folliculitis

    • B. 

      Gangrene

    • C. 

      Erysipelas

    • D. 

      Impetigo

  • 2. 
    What is the most common cause of skin infections?
    • A. 

      Streptococcus pyogenes

    • B. 

      Staphylococcus aureus

    • C. 

      Group B hemolytic Strep

    • D. 

      MRSA

  • 3. 
    A superficial infection (inflammation) in and around the hair follicle.
  • 4. 
    What histological finding in folliculitis is responsible for enclosing the site of infection, only allowing for the local spread of infection?
    • A. 

      Outward drainage

    • B. 

      Inward drainage

    • C. 

      Fibrin deposits

    • D. 

      Purulent formation

  • 5. 
    Gram negative bacteria produce the enzyme beta-lactamase that act by what mechanism?
    • A. 

      Inactivate membrane receptors

    • B. 

      Hydrolyze lactam rings thus inactivating penicillin

    • C. 

      Phosphorylate backbone of penicillin rendering it ineffective

    • D. 

      Hydrolyze lactam rings making them susceptible to penicillin degradation

  • 6. 
    MRSA can be treated with
    • A. 

      Penicillin

    • B. 

      Methicillin

    • C. 

      Vancomycin

    • D. 

      Cephalosporin

  • 7. 
    Another name for Staphylococcal scalded syndrome is 
    • A. 

      Elsberg syndrome

    • B. 

      Gangrene

    • C. 

      Ritter's disease

    • D. 

      TSS

  • 8. 
    Strep. pyogenes secretes toxic products, such as pyrogenic endotoxins (SPEA, B, C) with acts on skin blood vessels to cause the diffuse erythematous rash seen in what clinical condition?
    • A. 

      Mumps

    • B. 

      Rubella

    • C. 

      Scarlet fever

    • D. 

      Measles

  • 9. 
    This infection with Strep. pyogenes involves the dermal lymphatics and presents clinically with a "butterfly-wing" rash
    • A. 

      Folliculitis

    • B. 

      Impetigo

    • C. 

      Erysipelas

    • D. 

      Cellulitis

  • 10. 
    This is an example of an acute spreading infection of the skin that involves the subcutaneous, fat tissue
    • A. 

      Folliculitis

    • B. 

      Erysipelas

    • C. 

      Cellulitis

    • D. 

      Gangrene

  • 11. 
    Synergistic bacterial gangrene is typically caused by what type of Strepococci and Staph. aureus?
    • A. 

      Obligate aerobic

    • B. 

      Microaerophilic

    • C. 

      Facultative anaerobic

    • D. 

      Aerotolerant

  • 12. 
    Vesicular skin lesions are sites of viral replication and are infectious.
    • A. 

      True

    • B. 

      False

  • 13. 
    ______ is known to have only one serologic type. 
    • A. 

      HSV

    • B. 

      HPV

    • C. 

      VZV

    • D. 

      Hepatitis

  • 14. 
    Varicella is typically less severe in adults, more likely to cause complications in children.
    • A. 

      True

    • B. 

      False

  • 15. 
    __________ dermatomes are the most commonly affected sites for varicella lesions. 
    • A. 

      Cervical

    • B. 

      Thoracic

    • C. 

      Lumbar

    • D. 

      Sacral

  • 16. 
    Reactivation of VZV in sensory neurons is characterized by what clinical symptom?
    • A. 

      Septicemia

    • B. 

      Tremors

    • C. 

      Paresthesia and pain

    • D. 

      Agressive behavior

  • 17. 
    Past infection of VZV is determined by detecting VZV IgG by using what laboratory technique?
    • A. 

      PCR

    • B. 

      ELIZA

    • C. 

      Western Blot

    • D. 

      GCMS

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