Track your performance & watch video explanations. View each question individually or go into timer mode and answer one right after the other. This OG Tracker does NOT replace the book. It is a tool to help you manage/track your responses to help you better identify your problem areas. We've provided a bulk of the question stems and answer choices, but in some cases you'll need to refer to the book for diagrams, answer choices we did not get to yet, or discrepancies in text, if any. If any issues, send us an email at firstname.lastname@example.org and we'll take care of it.
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Note: About 75% of questions overlap between OG2016 and OG2015/13. Responses for these overlapping questions will display on both trackers. As for which questions are incremental, please see our OG2016-2015 mapping table (PDF)