What is the process of moving a drug from its site of administration across membranes to circulating fluid?

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Master the Nursing Process in Pharmacology Exam. Enhance your knowledge with multiple choice questions and detailed explanations to achieve success in your test!

Multiple Choice

What is the process of moving a drug from its site of administration across membranes to circulating fluid?

Explanation:
Absorption is the process by which a drug moves from its site of administration across membranes into the circulating fluid, allowing entry into the bloodstream. This step determines how much of the drug reaches systemic circulation and how quickly, and it varies with the route (oral, topical, inhaled, or parenteral) as well as the drug’s properties (lipid solubility, molecular size, and ionization) and the absorption site conditions. After absorption, distribution describes movement from blood to tissues, metabolism is the chemical alteration usually in the liver, and excretion is the elimination from the body.

Absorption is the process by which a drug moves from its site of administration across membranes into the circulating fluid, allowing entry into the bloodstream. This step determines how much of the drug reaches systemic circulation and how quickly, and it varies with the route (oral, topical, inhaled, or parenteral) as well as the drug’s properties (lipid solubility, molecular size, and ionization) and the absorption site conditions. After absorption, distribution describes movement from blood to tissues, metabolism is the chemical alteration usually in the liver, and excretion is the elimination from the body.

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