Answer this weeks USMLE-style questions correctly to win a free - TopicsExpress



          

Answer this weeks USMLE-style questions correctly to win a free month of Firecracker! Answers MUST include your reasoning and be submitted before we post the correct answers the following mornings. Day 3: Treatment A 60-year-old male presents to a local urgent care clinic with complaints of fever and a cough productive of yellow sputum beginning two days ago. He is otherwise healthy and up-to-date on all of his routine health maintenance. The only medications he takes are an over-the-counter multivitamin and an occasional tylenol for muscle aches after golfing on the weekends. Review of systems is remarkable for shortness of breath. Vitals are temperature 38.2⁰ C, HR 110, BP 122/80, and RR 18. On physical exam, the physician notes decreased breath sounds and dullness to percussion in the right middle lobe. He is given azithromycin as empiric treatment of the presumed diagnosis. What is the effect of this medication in bacterial cell protein translation? A) Prevents initiation of protein synthesis B) Prevents tRNA from binding to mRNA C) Prevents the second GTP hydrolysis from occurring D) Blocks the ribosomal A site E) Causes mRNA to be misread
Posted on: Wed, 14 May 2014 18:16:47 +0000

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