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PN 1005 Pharmacology Midterm Exam 2025 Questions and Answers half-life - ....ANSWER ...-The time it takes for the amount of drug in the body to decrease to one half the peak level ot previously achieved Absorption - ....ANSWER ...-is what happens to a drug from the time it enters the body until it enters the circulating fluid active transport - ....ANSWER ...-Energy-requiring process that moves material across a cell membrane against a concentration difference chemotherapeutic agents - ....ANSWER ...-synthetic chemicals used to interfere with the functioning of foreign cell populations; this term is frequently used to refer to the drug therapy of neoplasms, but it also refers to drug therapy affecting any foreign cell critical concentration - ....ANSWER ...-the concentration a drug must reach in the tissues that respond to the particular drug to cause the desired therapeutic effect Distribution - ....ANSWER ...-movement of a drug to body tissues; the places where a drug may be distributed depend on the drug's solubility, perfusion of the area, cardiac output, and binding of the drug to plasma proteins enzyme induction - ....ANSWER ...-process by which the presence of a chemical that is biotransformed by a particular enzyme system in the liver causes increased activity of that enzyme system …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1