D. Prescription sent to pharmacy.
Prescription sent to pharmacy is not an example of secondary use. Research for disease treatment, monitoring and tracking disease incidence, marketing are the examples of secondary use.
Prescription sent to pharmacy is the example of primary use. Once the prescription is sent to the pharmacy, only then the rest of the process occurs. All the processes has to be done in a serial order that will avoid any confusion to happen.
The components of a healthy diet is all based on nutrition. These are the five fundamental components that you must have to become healthy as you eat:
Protein - responsible for healthy muscles, skin and hair.
Carbohydrates - fuels our body for more energy.
Vitamins - nutritional components that strengthens our vision, immune system, and prevents premature aging and cancer.
Water - an essential in our lives as it's responsible for our bodily and organ function.
Minerals - calcium, iron and the like can strengthen our body and can prevent diseases.
I think its D, I say this because when you work out, you burn calories because your body is busy doing something for a long period of time. You gain more muscles in your legs, and don't gain weight because that would be like eating a tub of ice cream in 10 minutes and expecting, that you would loose 10 pounds... No... Hoped I helped you out!