Which of the Following Is a Reason for Adverse Drug

Multiple Choice

Which of the following is a reason for adverse drug side effects suffered by the elderly?

A) Elderly persons do not absorb medications as readily from the intestinal tract.
B) Elderly persons' livers are less efficient at metabolizing medications.
C) Elderly persons' kidneys are 50 percent less efficient at excreting chemicals than younger persons' kidneys.
D) All of these are reasons for the elderly suffering adverse drug side effects.