iv Reviewers Goodheart-Willcox Publisher and the author would like to thank the following professionals who reviewed selected chapters and provided valuable input into the development of this textbook program. Karen Amoscato Nursing Assistant Instructor Mingus Union High School Cottonwood, AZ Sheree Bjerregaard CNA Instructor Weber School District Ogden, UT Theresa Bloom Technical Instructor of Medical Preparation Western Colorado Community College Grand Junction, CO Sydney Boone Nursing Assistant Instructor Mercy Vocational High School Philadelphia, PA Christine Borchardt Health Sciences Teacher Ogemaw Heights High School West Branch, MI Renae Boydston RN/Nurse Aide Instructor Blackhawk Technical College Janesville, WI Jerry Brigman Health Science Educator Chesterfi eld High School Chesterfi eld, SC Kimberly Budd Health Technology Instructor Delaware Area Career Center Delaware, OH Lisa Carrigan RN Program Coordinator Applied Technology Center Rock Hill, SC Sally Christiansen Nursing Assistant Coordinator Waukesha County Technical College Pewaukee, WI Becky Cornelius RN/Health Science Instructor Crenshaw County Schools Luverne, AL Judy Crabtree Healthcare Science Technology/CNA Instructor Chattooga High School Summerville, GA Christine Curry CNA Classroom Coordinator Granite Technical Institute Salt Lake City, UT Sheryl Diglia Health Science Instructor Apollo Career Center Lima, OH Michael Donahue RN/CNA Instructor North Short Community College Danvers, MA Denise Duggan CNA Instructor New Milford High School New Milford, CT Laura Eser Health Professions Instructor Caroline Career and Technology Center Ridgely, MD Ines Lovio Estrado Career and Technical Education Instructor Imperial Valley Regional Occupational Program El Centro, CA Robin Finney Nursing Faculty Southwestern Oregon Community College Coos Bay, OR Pamela Fowler Nursing Assistant Program Instructor Cumberland High School Cumberland, VA Emma Franco Medical Instructor Palm Beach Lakes High School West Palm Beach, FL Robin Gosdin CNA Instructor Cleburne High School Cleburne, TX Deborah Grubb Health Professions Teacher Carroll County Career and Technology Center Westminster, MD Betty Gruber Nurse Aide Coordinator Panola College Carthage, TX Patty Hawley Nursing Educator Ferris State University Big Rapids, MI Brittany Hendrix CNA Instructor Ogeechee Technical College Metter, Georgia Susan Hill Health Science and Nursing Assisting Instructor Bartow High School Bartow, FL Shelly Holt Medical Assisting Program Director Chattahoochee Valley Community College Phenix City, AL Cassandra Howard Health Occupations Methods Teacher Essex County Vocational Technical Schools Newark, NJ Heidi Janowicz STNA Instructor Owens Community College Perrysburg, OH Mia Jones Instructor Lone Star College Conroe, TX