This post has been deleted because it's copy paste of a copyrighted NBME question.
For more information read here
http://www.usmle-forums.com/site-news-announcements/8924-its-not-allowed-post-nbme-questions.html
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For more information read here
http://www.usmle-forums.com/site-news-announcements/8924-its-not-allowed-post-nbme-questions.html
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