The National Academy of Sports Medicine Certified Personal Trainer exam (NASM CPT) is one of the standard certifications sought by fitness professionals. Personal trainers usually work one-on-one with private clients or small groups. The NASM CPT exam tests candidates on topics such as: Nutrition, applied science, exercise techniques, fitness assessment, training techniques, program design, basic business skills, and customer relations.
Personal trainer quiz: https://www.youtube.com/personaltrainertest