Drug Interactions — Unit test

Question 7 • VA_Pharmacology_A

For a drug to work properly, the body must be able to process it correctly. Which best demonstrates the cycle an oral medication would take in the body?

Answer

a patient rubs on an ointment → drug absorbed through skin into the blood → liver processes the drug → drug released as waste

a patient swallows a pill → drug enters blood after digestion → drug converted to metabolites → drug enters urine

a patient rubs on an ointment → liver converts drug → drug absorbed through skin → drug released as waste

a patient swallows a pill → drug enters blood after digestion → drug enters urine → drug converted to metabolites

Explanation

An oral medication is swallowed, absorbed from the digestive tract into the blood, and processed by the body into metabolites. The resulting substances can then be eliminated in urine. Choice B gives this sequence; choice D puts elimination before the drug is converted into metabolites.

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