Summary: Medical Pharmacology

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  • 1. Ιntroduction

    This is a preview. There are 3 more flashcards available for chapter 01/12/2019
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  • What is the pharacological basis of pharmacotherapy?

    There is a therapeutic window, the bottom of this window is the minimum effective concentration, the top of this window is the minimum toxic concentration.
  • What is the difference between primary and side effect? And how do you determine between these?

    Primary effect = effect(s) for which the compound is administered
    Side effect = adverse/unwanted effect(s) 
    The distinction is determined by the aim for which the drug is administered.
  • What is a placebo and placebo effect?

    A placebo is a preparation without any pharmacologically active substances. When this has a (therapeutic) effect it is called a placebo effect.
  • What is a nocebo?

    A placebo with unwanted (side) effects.
  • 2. Receptor theory

    This is a preview. There are 10 more flashcards available for chapter 02/12/2019
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  • What are the four levels of drug action & classification?

    • System
    • Tissue
    • Cellular (transduction)
    • Molecular
  • How can drugs act on ion channels?

    As blocker or modulator
  • How can drugs act on enzymes?

    As inhibitor, false substrate, and pro-drug
  • What are the four receptor families?

    1. Ligand-gated ion channels (ionotropic receptors)
    2. G-protein coupled receptors (metabotropic receptors)
    3. Kinase-linked receptors
    4. Nuclear receptors
  • What is the intrinsic activity?

    Capacity of a single drug-receptor complex to evoke a response.
  • What are the premises of the receptor theory?

    • Agonist binds in a reversible manner to its receptor(s)
    • Agonist has a very high affinity for its receptor(s)
    • Agonist concentration is not altered as a consequence of binding to its receptor(s)
    • Agonist efficacy is proportionate to the occupancy grade of its receptor(s) at increasing drug concentrations
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