A male client is 422 yr old. His father dies of a heart attack at age 62 yr. He has a consistent resting BP (measured over 6 wk) of 132/86 mm Hg and a total serum cholesterol of 5.4 mmol x L^-1. Based on his CAD risk stratification, which of the following activities is appropriate?
a. maximal assessment of cardiorespiratory fitness without a physician supervising
b. submaximal assessment of cardiorespiratory fitness without a physician supervising
c. vigorous exercise without a prior medical assessment
d. vigorous exercise without a prior physician-supervised exercise test
Answer: b. submaximal assessment of cardiorespiratory fitness without a physician supervising