Pharmacodynamics Introduction Quiz
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Questions and Answers

Which term refers to the time it takes for a drug to reach its maximum concentration in the body?

  • Therapeutic range
  • AUC
  • MTC
  • Tmax (correct)

What is the function of cAMP as a second messenger when activated by G-protein coupled receptors?

  • Initiates a cascade of reactions (correct)
  • Directly binds to target proteins
  • Promotes cell death
  • Inhibits cellular responses

In pharmacokinetics, what does MEC stand for?

  • Therapeutic range
  • Minimum effective concentration (correct)
  • Maximum concentration
  • Maximum tolerated concentration

What does FEV1 measure in relation to lung function?

<p>Forced expiratory volume at 1 sec (B)</p> Signup and view all the answers

How does Midazolam primarily exert its pharmacological effect in the body?

<p>By interacting with GABAergic receptors (D)</p> Signup and view all the answers

What characteristic determines the half-life of Midazolam in the body?

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

What is the role of an inhibitory medicine?

<p>Blocking receptor sites to inhibit cellular activity (B)</p> Signup and view all the answers

Which of the following is NOT a target of pharmacodynamics?

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

What is the measure of the affinity of a drug at the receptor?

<p>EC50 (D)</p> Signup and view all the answers

What do drugs with the same Emax but different EC50 values imply?

<p>One is more potent but not necessarily more effective (D)</p> Signup and view all the answers

Which molecules act as messengers inside a cell once a drug interacts with a cell surface receptor?

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

What is the main consequence of a drug starting a cascade of intracellular pathways upon interacting with a cell surface receptor?

<p>Activation of second messengers (B)</p> Signup and view all the answers

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