Question: transdermal patches

Answer: absorbed into the bloodstream through the skin

Question: smoked or inhaled

Answer: absorbed into the bloodstream through vessels in the lungs

Question: injected through a needle

Answer: injected drugs have a stronger

effect than other drugs

Question: swallowed drugs

Answer: travel through the stomach and the intestines where the drugs are absorbed

Question: apply directly to a certain area

Answer: these don’t enter the bloodstream