I believe that the correct answer is D.
D. Have functions of absorption and elimination!
The DRI (Dietary Reference Intake) is 0.8 grams of protein per kilogram of body weight, or 0.36 grams per pound. This amounts to: 56 grams per day for the average sedentary man
I think it's because they need to be ready to help customers with questions and concerns regarding different medications, as well as watching out for signs of medication abuse.
hope this helps!!
I think it is soft reduction because open and closed and cast is all treatment a dr would use