Log into the NASM eLearning Center at learn.nasm.org.
Select your course from the MY COURSES button on the left hand side. The PES and CES courses contain quizzes at the end of each chapter.
Please keep in mind that you also have three (3) attempts to take the PES or CES examinations. If you need more attempts, you can purchase them by contacting NASM at (800) 460-6276.