Thanksgiving quiz: The ultimate 'turkey day' test

President Barack Obama, with daughters Sasha, center, and Malia, right, carries on the "presidential pardon" tradition at the White House in Washington, D.C., Nov. 21, 2012. (Photo by J. Scott Applewhite/AP)
President Barack Obama, with daughters Sasha, center, and Malia, right, carries on the Thanksgiving tradition of saving a turkey from the dinner table with a "presidential pardon" at the White House in Washington, D.C., Nov. 21, 2012.

You know you're going to end up in a food coma Thursday night, but do you know the history and rituals of Thanksgiving? Take this quiz and find out: