According to the NBCRNA, approximately 24% of the CPC exam will relate to Applied Clinical Pharmacology. In this core area you will have the opportunity to brush up on your pharmacology knowledge base, and be able to apply that knowledge to various scenarios. Answer the questions in each scenario to test your knowledge. Click on incorrect answers to reveal rationale explaining which of the multiple choice answers would have been the best answer. The Mixed Bag section is a 10 question practice exam that will test your overall knowledge in this core area.