I can guess you're actually doing fine, because you remember how 'coccidiodomycosis' is spelled!
-- Really, when I first started studying, I had a hard time remembering this magnificent spelling of a disease (owing to not taking this in med school).
Well, I think it's normal. You'll only feel you have a good grasp of the material details one month before the exam (that's in my case, which spanned 8 months of daily full-time studying). So, it depends on when your exam is. Is it tomorrow? then you're in trouble. Is it 2 or 3 months away, you're fine.
Just keep doing questions and read FA