1) They indicate basic body functioning
2) It is appropriate to begin physical assessment by obtaining this data
3) Provide basis for problem solving
4) Enables identification of nursing diagnoses to implement planned interventions and to evaluate success when vital signs have returned to normal values.
I would definetly say that to be most successful in a new exercise program, would be making a flexible schedule for physical activity (B). I know in personal experience, that making a list or daily planner of the exercises you will conduct, can help you be more motivated and active to do your exercising.