15. To improve cardiovascular fitness.
A) all the the choices listed are correct
B) aerobic activities should be done at least 3 days/week ifvigorous intensity
C) individual can combine moderate and vigorous intensityaerobic activities 3-5days/week
D) aerobic activities should be done at least 5 days/week ifmoderate intensity.
This information can be found in ACSM'sGuidelines for Exercise Testing and Prescription10th Edition Direct Textbook.
