Pharmacology Quiz: Medications and Their Indications
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Questions and Answers

What is the combination of ventricular block, pronounced bradycardia, and acute infectious myocarditis likely to lead to?

  • Cardiac arrest
  • Acute heart failure (correct)
  • Chronic heart failure
  • Atrial fibrillation

    • What is the primary mechanism of action of dobutamine?

  • Stimulates beta2-adrenergic receptors
  • Stimulates beta1-adrenergic receptors (correct)
  • Has pronounced bronchodilator activity
  • Blocks potassium channels

    • Which of the following drugs is used to stimulate the heart?

  • Amiodarone
  • Dobutamine (correct)
  • Metoprolol
  • Atenolol

    • What is the effect of amiodarone on the action potential of the heart?

    <p>Increases the duration of the action potential</p> Signup and view all the answers

    Which of the following groups of medicinal substances is used to treat heart failure?

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

    What is the primary effect of anaprilin on the heart?

    <p>Weakens adrenergic effects</p> Signup and view all the answers

    Which of the following cardiac glycosides is obtained from digitalis?

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

    What is the effect of atropine sulfate on the heart?

    <p>Weakens cholinergic effects</p> Signup and view all the answers

    Which of the following drugs is used to treat arrhythmias?

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

    What is the primary effect of isadrine on the heart?

    <p>Enhances adrenergic effects</p> Signup and view all the answers

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