Discuss how the route of drug administration chosen might be dependent on a persons age

Because you need to take into account several factor, including the speed with which a drug may affect those of certain ages, the effectiveness of absorption or use, and the physiological differences between groups. If you are giving a dosage of a certain medication intravenously that would normally be balanced out in a normal adult if you inject it intravenously, you' d need to use a faster route for geriatrics like IV or IO (Intravenous or Intraosteo), shale you might need a slower route like ingestion for pediatrics.

Drug administration is chosen on a persons age or background history as certain drugs can kill a minor as other can help a minor as some that would help a adult would kill a minor or as some that would help a minor wouldnt help a adult. 

Why  do you think body composition focuses  on the  ratio  of  fatty tissue  to  other body tissue? why is  body composition not related  to  weight?

The answer would be c (set)hope this ! (: