Rant! Unclear diagrams on exams

This is a rant about unclear diagrams on exams.

What are they thinking when they give a test with a diagram with 20 different structures to identify, and the copy is so unclear you can't even tell which lines are pointing at which structures. Of course the teacher is not allowed to be of any assistance.... All I could really do was give a guess at the structures that are in the same general vicinity and hope that the arrows are pointing where I think they are, or that they'll take pity and give it to me right for getting the general area correct.