This class isn't supposed to be difficult but the exams make no sense. They don't pull from the actual slides in the class so don't even bother paying attention in lecture. Instead, the exams pull from the ATI modules and range from the most random specific topics to broad common sense questions. You're honestly better off trying to memorize all of the ATI but the ATI modules are so long all you can really do is hope and pray the questions are what you're studying. The study guide isn't helpful at all so don't bother filling them out either. Like I said, just try to memorize the ATI.