I am going to step in here an offer all of you some encouragement. First, I don't want you getting overly concerned about your grades; doing so will only hinder your progress. Also, don't compare what you did in previous learning situations to what you are experiencing here. What I want you to be concerned with is that you are learning.
I want you to all understand that the way in which this course is set up is very different from anything you have probably experienced in the past. A lot of courses are set up so that students memorize new content, which cannot be done here. It just isn't practical to memorize everything regarding medical transcription or coding. Also, I seriously doubt that other courses you may have taken required the amount of attention to detail that is required here. The only way to become a successful as an MT or coder is by making mistakes and learning from those mistakes. Unfortunately, the learning from them is the hard part and there is no right or wrong way in which to do so.
The secret to learning from your mistakes is to find a system that works best for you. We all learn differently so, again, there is no right or wrong way to do this. Some students find it best to make a separate list of the errors they have made previously and use that list for review. Other students find it easier to just simply review previous practices and graded assessment separately.
One thing I think many transcription students fail to recognize is that the majority of your learning should be taking place when you are completing your practices. When you finish transcribing a report and are comparing it to the key, you need to make certain you fully understand why your report differs from the key, which it will. If and/or when you encounter a situation where you do not fully understand a difference, that is when you should be asking questions. I can only assume that much the same process is true for coding students as well.
Finally, most of us learn from a very young age that making mistakes is a bad thing; however, nothing could be further from the truth! If one doesn't make mistakes one cannot learn.