MrBorden Is 79 Years Old and Lives with His Daughter

Mr.Borden is 79 years old and lives with his daughter.The daughter provides excellent care for her father and wants to know which changes in his heart and circulatory system are due to aging and which are due to lifestyle choices.The nurse practitioner replies:

A) The size of the heart increases with age.
B) The left ventricle hypertrophies in response to increasing in age.
C) The activity of the heart decreases in its ability to deal with stress, as well as to provide physical strength as one ages.
D) The patient's diet affects the ability of the heart to balance blood pressure.