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. What is the primary focus of pharmacology?
3. According to drug classifications, heroin is classified under which schedule of controlled substances?
Pharmacology — definition?
Study of drugs, their effects, mechanisms, and interactions.
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 (ADME).
Pharmacokinetics — processes?
Absorption, distribution, metabolism, excretion of drugs.
Pharmacodynamics — focus?
Drug effects and mechanisms of action.
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