WBR0006

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Author PageAuthor::
Exam Type ExamType::USMLE Step 1
Main Category MainCategory::Microbiology
Sub Category SubCategory::Neurology
Prompt [[Prompt::A 32-year-old man is brought to the emergency room and he states that for the past month he has been losing feeling and motor function of both his lower extremities. This problem has progressed until now when he cannot walk and must be carried onto the exam bed. He states that he has not had a history of trauma and the only illness was nausea, vomiting, and diarrhea 3 months earlier, although he recovered fully without medications. On exam, motor strength is 1/5 in both legs and deep tendon reflexes are impaired. What is the most likely organism responsible for this illness?]]
Answer A AnswerA::Streptococcus pyogenes.
Answer A Explanation AnswerAExp::
Answer B AnswerB::Clostridium species.
Answer B Explanation AnswerBExp::
Answer C AnswerC::Staphlococcus aureus.
Answer C Explanation AnswerCExp::
Answer D AnswerD::Campylobactor species.
Answer D Explanation AnswerDExp::
Answer E AnswerE::Neisseria meningitides.
Answer E Explanation AnswerEExp::
Right Answer RightAnswer::D
Explanation [[Explanation::This patient has symptoms and history suggestive of Guillian-Barre syndrome. This disease usually occurs after a self-limited abdominal infection in which Campylobactor species is involved.

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