The Main Reason That the Elderly Are More Susceptible to the Side

Multiple Choice

The main reason that the elderly are more susceptible to the side effects of medications is that

A) their kidneys are less efficient at removing the medications out of the bloodstream.
B) their heart pumps more slowly, which means that the medications take longer to travel in the bloodstream.
C) most elderly are underweight, and medicinal doses are calibrated for the weight of healthy young adults.
D) their poor memories and confusion can lead them to overdose by mistake.