Pharmacology Practice Quiz 8

20 Questions | Total Attempts: 65

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Pharmacology Quizzes & Trivia

Questions and Answers
  • 1. 
    If you increase the levels of extracellular potassium, you will increase the resting membrane potential (make less negative)
    • A. 

      True

    • B. 

      False

  • 2. 
    Loss of function mutations in the hERG gene would result in short QT syndrome
    • A. 

      True

    • B. 

      False

  • 3. 
    Torsades de pointes is a life threatening atrial arrhythmia.
    • A. 

      True

    • B. 

      False

  • 4. 
    A gain of function mutation in the sodium channel would result in prolongation of the action potential.
    • A. 

      True

    • B. 

      False

  • 5. 
    Patients with Congestive Heart Failure are more vulnerable to cardiac arrythmias than patients without CHF.
    • A. 

      True

    • B. 

      False

  • 6. 
    An increased expression of the sodium/calcium exchanger can produced DADs.
    • A. 

      True

    • B. 

      False

  • 7. 
    The three mechanisms of cardiac arrythmias are Enhanced Automaticity, afterdepolarizations & triggered automatcity, and Pharmacology quizzes.
    • A. 

      True

    • B. 

      False

  • 8. 
    Subclass IA of the Sodium Channel Blockers have short duration of blockade.
    • A. 

      True

    • B. 

      False

  • 9. 
    Lidocaine preferentially interacts with closed sodium channels.
    • A. 

      True

    • B. 

      False

  • 10. 
    Amiodarone only shows class III (potassium channel blocking) characteristics.
    • A. 

      True

    • B. 

      False

  • 11. 
    The correct pronunciation of amiodarone is:
    • A. 

      A MEE oh da rone

    • B. 

      A mee oh DAR one

  • 12. 
    Calcium Channel blockers are used to slow the rate of AV-conduction in patients with atrial fibrillation.
    • A. 

      True

    • B. 

      False

  • 13. 
    Both flecainide and propranolol showed increased mortality for post-myocardial infarction in the CAST study.
    • A. 

      True

    • B. 

      False

  • 14. 
    A non-selective hERG blocker is less likely to have EADs as a consequence than a selective hERG blocker.
    • A. 

      True

    • B. 

      False

  • 15. 
    The proarrhythmia classes are Class IB and Class III.
    • A. 

      True

    • B. 

      False

  • 16. 
    Adenosine receptors are G coupled protein receptors.
    • A. 

      True

    • B. 

      False

  • 17. 
    Taken concurrently, erythromycin and disopyramide will decrease the incidence of sudden cardiac death.
    • A. 

      True

    • B. 

      False

  • 18. 
    I can't wait until December 15th.
    • A. 

      True

    • B. 

      False

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