Forty-five questions, nine per lecture, picked from the facts the lecturer stressed most and the question styles the course uses; no one can know what will be asked. They follow the order of the lectures (4 to 8), reuse questions already in the topic quizzes and vignettes, and carry no dosages.
Answers reveal only after you choose. Your score and a breakdown by objective appear at the end, with a review of everything you missed.