I just took my test pn last oct 29,2011 and i only had like 3-4 pharm questions and like 2 calculations.every person has each type of questions.so you have to be prepared on every different areas of the test.you camt focus on just one area.know your content and it gives you additional knowledge answering the questions.pn is just like rn but basic of rn.i know it cuz i took my rn test before unfortunately didnt passed the test.