Are You Studying To Become A Doctor? The Medical College Admission Test (MCAT) is a multiple-choice exam that’s used for admission into medical school. This test is administered by the Association of American Medical Colleges (AAMC) and is developed for most Canadian and U.S. medical schools. It tests your comprehension, critical analysis, and problem-solving skills. If you’re studying to become a doctor, then you should know how to best prepare for the test.