CCHT and NNCC are used in this book solely for descriptive and educational purposes to identify the relevant certification examination and certifying body. All trademarks, service marks, trade names, logos, and registered marks mentioned in this publication remain the property of their respective owners. This publication is an independent study guide and is not sponsored by, endorsed by, approved by, or affiliated with the Nephrology Nursing Certification Commission, the CCHT examination program, College Board, SAT, or any other testing or certification organization whose names may appear in comparative or illustrative contexts. The use of any trade name or trademark in this book does not imply any association with or endorsement by the trademark holder.