Glen Is an 82 Year Old Who Needs to Be

Glen is an 82 year old who needs to be prescribed a new drug.What changes in elimination should be taken into consideration when prescribing for Glen?

A) Increased GFR will require higher doses of some renally excreted drugs
B) Decreased tubular secretion of medication will require dosage adjustments
C) Thin skin will cause increased elimination via sweat
D) Decreased lung capacity will lead to measurable decreases in lung excretion of drugs