I've been dealing with that type of testing in my pharm class, and I haven't found them to be life-changingly difficult. What I've found is that they force me to know my stuff. None of the BSing, bold word studying that I'm so excellent at. Gotta know the who, what, where, when, and why, and then the answers come easily.
The benefit is that rote memorization isn't necessary. You can find 1,000 ways/sources to learn information and they'll all help you, versis staying up all night attempting to memorize every single word in your textbook Pros and cons.
Basically, if you really know how the competed puzzle is supposed to work, you should be able to put it back together, no matter how they scramble the pieces