You should read http://www.emt-national-training.com/nremt.phpI just took the NREMT-B, it cut off at 71 I think. So we will see how I did later. I'm pretty sure I bombed it, I don't know though. The guy who works there said if you see a lot of easy then a few hard ones mixed in your doing good. I don't recall any hard stuff really.
That's what's fun about adaptive testing. You just don't know... and if you're well educated for the level of the exam, all the questions will seem easy. If not, then these exams will find out where your weaknesses are. If all the questions seem easy, the other possibility is that the computer has noticed a weakness and has selected questions appropriate for that...You should read http://www.emt-national-training.com/nremt.php
When you answer a question correctly, the next question will be harder. As you answer a question incorrectly, the next question will be easier.
However, you could be a smart cookie and think most of them are easy? You could think most of them were easy, and be answering them completely wrong. You just don't know.