Pharmacology: The scientific study of drugs, including their properties, effects, mechanisms of action, and interactions within biological systems. It encompasses how drugs are absorbed, distributed, metabolized, and excreted (ADME).
Pharmacokinetics: The branch of pharmacology concerned with the movement of drugs within the body, including absorption, distribution, metabolism, and excretion. It determines the onset, intensity, and duration of a drug's effect.
Pharmacodynamics: The study of how drugs produce their effects on the body, focusing on mechanisms of action, receptor interactions, and the relationship between drug concentration and effect.
Adverse Drug Reactions (ADRs): Unintended, harmful responses to medications that occur at normal doses. They can be predictable (Type A) or unpredictable (Type B).
Therapeutic Index (TI): A ratio that measures a drug's safety, calculated as the toxic dose (TD50) divided by the effective dose (ED50). A higher TI indicates a safer drug.
1. What is pharmacology?
2. According to drug classifications, heroin is classified under which schedule of controlled substances?
3. What is the primary role of pharmacokinetics processes in medication management?
Pharmacology — definition?
Study of drugs, their effects, mechanisms, and interactions.
Drug Classifications — role?
Organize medications by structure, mechanism, or use for safe prescribing.
Pharmacokinetics — processes?
Absorption, distribution, metabolism, excretion of drugs.
Pharmacology — definition?
Study of drugs, their effects, mechanisms, and interactions.
Pharmacokinetics — processes?
Absorption, distribution, metabolism, excretion (ADME).
Pharmacodynamics — focus?
Drug effects and mechanisms of action.
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