Pharmacology Chapter 1: Pharmacodynamics
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Questions and Answers

What is the primary focus of pharmacodynamics?

  • The genetic factors that influence drug response
  • The movement of drugs within the body
  • The effects of drugs on the body (correct)
  • The development of new drugs

    • Which of the following is NOT a target for drug action?

  • Ion channels
  • Receptors
  • Cell membranes (correct)
  • Carrier molecules

    • What is the term for a molecule that combines with a receptor?

  • Ligand (correct)
  • Antagonist
  • Receptor
  • Agonist

    • What is the term for a ligand that activates a receptor?

    <p>Agonist</p> Signup and view all the answers

    Which branch of pharmacology studies the way drugs work in living organisms?

    <p>Pharmacodynamics</p> Signup and view all the answers

    What is the term for a ligand that blocks a receptor?

    <p>Antagonist</p> Signup and view all the answers

    What type of receptor is characterized by the direct binding of an agonist to an intracellular receptor, allowing an agonist to directly modify gene transcription?

    <p>Intracellular receptors</p> Signup and view all the answers

    What feature distinguishes G-protein linked receptors from Ion channel-linked receptors in terms of signal transduction?

    <p>They have slower responses but longer durations</p> Signup and view all the answers

    What is the primary consequence of G-protein activation in G-protein linked receptors?

    <p>Activation of signaling proteins</p> Signup and view all the answers

    What is the primary mechanism of action for Tyrosine kinase-linked receptors?

    <p>Phosphorylation of the receptor</p> Signup and view all the answers

    What is a characteristic of Ion channel-linked receptors?

    <p>Short-lasting response</p> Signup and view all the answers

    What is the primary location of Intracellular receptors?

    <p>Cytoplasm</p> Signup and view all the answers

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