A nurse urges a 50-year-old overweight executive who had a myocardial infarction (MI)3 months earlier to take up some conditioning exercises for 30 minutes a day.What rationale supports this suggestion? (Select all that apply.)
A) Lose weight.
B) Improve cardiac dysrhythmia.
C) Decrease workload of the heart.
D) Decrease cholesterol levels.
E) Increase cholesterol levels.