2. Which of the following statements is not accurate regarding extrinsic motivation? A. A personal trainer is not considered an example of extrinsic motivation since you are paying for her services.
B. Attending a fitness class with your friends is a form of extrinsic motivation,
C. Extrinsic motivation can help someone lacking confidence in their ability to complete a workout.
D. Extrinsic motivation can help a person overcome a personal lack of motivation.

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.