Concerning the time course of THC levels and route of administration,
A) plasma levels of THC peak more rapidly following injection or smoking than via oral administration of the drug.
B) people smoking marijuana typically reach their peak THC levels before they finish the cigarette or joint.
C) oral administration of THC produces low plasma levels that drop off quickly.
D) at maximum THC intoxication after smoking, brain and plasma THC levels are equilibrated.

Question

Quizplus · Accepted Answer

Plasma levels of THC peak more rapidly following injection or smoking than via oral administration of the drug. This is because smoking and injection deliver the drug directly into the bloodstream, whereas oral administration requires digestion and metabolism in the liver before the drug can enter the bloodstream.

Concerning the Time Course of THC Levels and Route of Administration