The Nelson Denny Reading Test measures vocabulary, comprehension, and reading rate.
There are a number of available resources to help you prepare for the Nelson Denny Reading Test.
www.testprepreview.com/nelson_denny_practice.htm
www.saddleback.edu/matriculation/pdf/SampleEnglishFlyer.pdf
www.appleton.org/i/d/human_resources/nelson_denny_study_guide.pdf