Tiff
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A 42 year old man has a petechial rash on his arms, legs, and face but not his trunk. He does not have fever, purpuric lesions, or vasculitis and does not recall a recent illness. A biopsy of affected skin contains immune complexes that are positive for IgG, IgM, and C3. Which of the following agents is the most likely cause of these disease manifestations?
A. Hepatitis C virus
B. Measles virus
C. Neisseria meningitidis
D. Streptococcus pyogenes
E. Varicella zoster virus
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| arlete
Intern in 2009!!!!!
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No idea... 
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| Tiff
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Anyone else like to take a crack at this?
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| jean robert
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guess C
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| sprint123
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Is this cryoglobulinemia of Hepatitis-C?
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| new_n_lost
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E. Varicella zoster virus ??????????????????
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| exambuster
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impetigo by strep. pyogenes?
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| silver
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Hep. C virus ?
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| Tiff
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Hepatitis C (Choice A) is correct Sprint & Silver! 
Explanation: Hepatitis C virus causes chronic infection. Antigenemia is due to continuous release of viral antigen and the skin lesions are due to cryoglobulinemia. Antigen-antibody complexes are generated and become trapped in the small vessels of the skin, kidney, and other tissue, and this leads to type III hypersensitivity reactions (activation of complement and tissue damage).
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| new_n_lost
Politically InCorrect
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Damn looks like will have to read up on Cryoglobulinemia.
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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."
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| arlete
Intern in 2009!!!!!
Topics: 30
Posts: 2,208
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