Drug Administration Methods and Absorption

Which of the following is NOT an effect of opiates like morphine and heroin?

Where do the sites of action of opiates occur?

What is the purpose of psychopharmacology?

Which route of administration involves placing a substance beneath the tongue?

Which route of administration involves administering a substance directly onto the skin or mucous membrane?

Which route of administration involves administering a substance into one of the cerebral ventricles?

Which route of drug administration provides a very rapid effect because the route from the lungs to the brain is very short?

Which route of drug administration involves placing the drug beneath the tongue and allowing it to be absorbed into the bloodstream by the capillaries that supply the mucous membrane that lines the mouth?

Which route of drug administration involves injecting the drug directly into the brain or into the cerebrospinal fluid in the brain's ventricular system?

Which route of drug administration involves placing the drug on the skin and allowing it to be absorbed directly through the skin?

Which route of administration is the fastest and allows the drug to reach the brain within a few seconds?

What is the process by which drugs are absorbed, distributed within the body, metabolized, and excreted called?

Which one of the following is NOT a barrier that molecules of drugs must cross to enter the body and reach their sites of action?

Which route of administration is the most common for administering drugs to small laboratory animals?