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Ascaris lumbricoides

Summary of Ascaris lumbricoides
Ascaris lumbricoides, the giant roundworm, causes intestinal infection following ingestion. It may grow large enough to obstruct the ileocecal valve. Its transmission is via fecal-oral route and Its eggs can be visualized on microscopic analysis of the patient's feces. Treatment is with bendazoles.

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Ascaris lumbricoides

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High Yield Notes
22 pages
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Ascaris lumbricoides

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The roundworm Ascaris lumbricoides is transmitted via the route.

Questions

USMLE® Step 1 style questions USMLE

2 questions

USMLE® Step 2 style questions USMLE

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A 38-year-old previously healthy man is referred to the office for the evaluation of pleuritic chest pain. His medical history is only relevant to a recent trip to South America. Upon medical interrogation, the patient denies abdominal pain or gastrointestinal disturbances. Shortly after his return, he started with an episode of wheezing and dyspnea, pleuritic chest pain, and productive cough with rusty colored sputum. The patient claims that this episode was short lived and resolved on its own. Physical examination reveals inspiratory crackles and a mild rash over his chest. Laboratory tests show a moderate eosinophilia (3400/mm³). Which of the following is the most likely causal organism?  

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