An Older Male Adult in a Cardiac Rehabilitation Exercise Class

An older male adult in a cardiac rehabilitation exercise class refuses to participate in the cool-down phase of the activity, and two minutes later, he passes out but regains consciousness quickly.Which of the following instructions does the nurse include in patient teaching to reinforce to this older person the importance of cooling down after exercise?

A) Cardiac output diminishes with age.
B) Mobility capacity decreases with age.
C) Baroreceptor function diminishes with age.
D) Sensory perception diminishes with age.