NRS 272 Pharmacokinetics and Pharmacodynamics Review Questions and Correct Answers

NRS 272 Pharmacokinetics and Pharmacodynamics Review Questions and Correct Answers Pharmacokinetics ✅The process by which drugs are absorbed, distributed within the body, metabolized, and excreted. "What the body does to the drug" Pharmacodynamics ✅"What the drug does to the body" Mechanism of drug actions in living tissues Therapeutic effect Mechanism of action Drug -receptor relationships Enzymes Absorption ✅The transport of dissolved substances into cells. Depends on bioavailability and first pass effect -enteral route -sublingual buccal routes -parenteral route: subcutaneous, intradermal, intramuscular -topical route -transdermal route -inhaled route Enteral route ✅Drug absorbed into the systemic circulation through the oral or gastric mucosa or small intestine Oral, Sublingual, Buccal, Rectal (can also be topical) Parenteral route ✅dispensation of medications via a needle into the skin layers Intravenous Intramuscular Subcutaneous Intradermal Intraarterial Intrathecal Intraarticular What's the fastest delivery into blood circulation ✅Intravenous