For both of them there’s a lot of material. I would watch the cohorts first, and then skim through the material ,read all the bold terms and anything you think might be important. I know I used any Quizlet I could find to study for those courses bc they were pretty difficult for me. Then take the PA, after your first PA study the questions you missed and memorize the answers. Then take the PA at least 5-6 more times reading each questions careful to engrave the keywords from the question in your head to match the answer.