Pharmacology Basics

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Questions and Answers

What is the study of drugs and their effects on living organisms called?

  • Anatomy
  • Biochemistry
  • Physiology
  • Pharmacology (correct)

Which process describes what the body does to a drug?

  • Therapeutics
  • Pharmacokinetics (correct)
  • Pharmacodynamics
  • Toxicology

What does ADME stand for in pharmacology?

  • Absorption, Digestion, Metabolism, Efficiency
  • Absorption, Distribution, Metabolism, Excretion (correct)
  • Activation, Distribution, Measurement, Excretion
  • Action, Dosage, Metabolism, Effect

Which of the following is the process by which a drug enters the bloodstream?

<p>Absorption (B)</p> Signup and view all the answers

What term describes the fraction of an administered dose of a drug that reaches the systemic circulation unchanged?

<p>Bioavailability (C)</p> Signup and view all the answers

Which organ is primarily responsible for drug metabolism?

<p>Liver (A)</p> Signup and view all the answers

What is the primary organ of drug excretion?

<p>Kidneys (C)</p> Signup and view all the answers

What type of drug binds to a receptor and activates it?

<p>Agonist (D)</p> Signup and view all the answers

What term describes the amount of drug required to produce a given effect?

<p>Potency (C)</p> Signup and view all the answers

Which route of drug administration involves injecting the drug directly into a vein?

<p>Intravenous (B)</p> Signup and view all the answers

Flashcards

Pharmacology

The study of drugs and their effects on living organisms, including ADME, mechanisms of action, and therapeutic/toxic effects.

Pharmacokinetics

What the body does to the drug, involving absorption, distribution, metabolism, and excretion.

Pharmacodynamics

What the drug does to the body, affecting receptors and physiological processes.

Bioavailability

The fraction of the administered drug dose that reaches systemic circulation unchanged.

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Receptors

Proteins that bind specific molecules (ligands) like drugs, triggering a cellular response.

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Agonists

Drugs that bind to and activate receptors, producing a response.

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Antagonists

Drugs that bind to receptors without activating them, blocking agonists and preventing a response.

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Efficacy

The maximum effect a drug can produce, regardless of dose.

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Potency

The amount of drug required to produce a given effect.

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Side effects

Unintended effects of a drug that occur at therapeutic doses.

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