Individuals need to adjust their physical activity to account for reduced flexibility, a loss of balance, as well as decreased energy levels as they age. As we see, there is a number of rather unwanted changes which happen with old age so the correct answer would be D - all of the above.
I'd say that the doctor would recommend to 1: to start a low-calorie, low-fat diet, 2: devote time to follow a workout plan, and possibly 5: Join a weight-loss support group, but I'm not sure about that one.
The reason the doctor wouldn't recommend 3 is because you're supposed to eat several servings of fruit per day, not once a week, and the reason the doctor wouldn't recommend 4 is because an increase in food consumption would add on to the patients problem of being overweight rather than help it.
False.
power = force times velocity
Excitatory neurotransmitter? This question is too vague.