Pharmacokinetics and Pharmacological Effects Quiz
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Questions and Answers

What is the primary organ responsible for the elimination of digoxin?

  • Kidney (correct)
  • Liver
  • Heart
  • Lung

Which type of arrhythmia may occur as a side effect of digoxin use?

  • Supraventricular tachycardia
  • First-degree heart block
  • Sinus tachycardia
  • Ventricular fibrillation (correct)

In the treatment of digoxin intoxication, what should be withheld?

  • Diuretics (correct)
  • Anticoagulants
  • Steroids
  • Antibiotics

What is the maintenance dose range for cats in terms of digoxin dosage?

<p>0.001-0.002 mg/kg/12 h (B)</p> Signup and view all the answers

Which electrolyte disturbance is associated with increased digoxin effects on cardiac muscle?

<p>Hypokalemia (C)</p> Signup and view all the answers

What is the primary route of administration for the loading dose of digoxin?

<p>Intravenous (B)</p> Signup and view all the answers

Which organ diseases are mentioned as factors predisposing to digoxin toxicity?

<p>Renal impairment (B)</p> Signup and view all the answers

What is the suggested action when monitoring a patient's plasma levels after the first dose of digoxin administration?

<p>Decrease by 30% if level &lt; 0.8 ng/mL (C)</p> Signup and view all the answers

What is the function of the steroid-binding resin cholestyramine in treating digoxin overdose?

<p>Binds to free digoxin in the blood (A)</p> Signup and view all the answers

What is the suggested action when a patient presents with symptoms of digoxin intoxication?

<p>Withhold further administration of digoxin (C)</p> Signup and view all the answers

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