Unit 5 Cardiovascular
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Questions and Answers

What is the primary cause of peripheral edema in heart failure?

  • Stiffening of the left ventricle
  • Decreased cardiac output
  • Blood backing up into lungs
  • Blood backing up into veins (correct)

    • What is the primary mechanism of action of cardiac glycosides in heart failure?

  • Decreasing blood pressure through diuretic effects
  • Increasing cardiac output through vasodilation
  • Increasing cardiac output through increasing heart rate
  • Positive inotropic effects and negative chronotropic effects (correct)

    • What is the primary reason for frequent serum checks when administering cardiac glycosides?

  • To monitor for symptom improvement
  • To monitor for changes in cardiac output
  • To monitor for changes in blood pressure
  • To monitor for adverse effects and toxicity (correct)

    • What is the primary adverse effect of cardiac glycosides that can be mistaken for a GI problem?

    <p>Nausea and vomiting</p> Signup and view all the answers

    What is the primary contraindication for the administration of cardiac glycosides?

    <p>Ventricular dysrhythmias</p> Signup and view all the answers

    What is the primary interaction to consider when administering cardiac glycosides with diuretics?

    <p>Increased risk of hypokalemia</p> Signup and view all the answers

    What is the primary nursing consideration when administering cardiac glycosides?

    <p>Taking apical pulse for 1 full minute</p> Signup and view all the answers

    What is the primary reason for caution when administering cardiac glycosides to older adults?

    <p>Increased risk of adverse effects and toxicity</p> Signup and view all the answers

    What is the consequence of blood backing up into the lungs due to left-side heart failure?

    <p>Fluid in the lungs</p> Signup and view all the answers

    Which of the following is a characteristic of cardiac glycosides?

    <p>Positive inotropic effect</p> Signup and view all the answers

    What is the range of serum levels that indicates the effectiveness of digoxin therapy?

    <p>0.5-2.0 ng/ml</p> Signup and view all the answers

    Which of the following medications can increase the serum levels of digoxin?

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

    What is the primary reason for withholding cardiac glycosides in certain patients?

    <p>Ventricular dysrhythmias</p> Signup and view all the answers

    What is the effect of antacids on the absorption of digoxin?

    <p>Decrease absorption</p> Signup and view all the answers

    What is the primary reason for caution when administering cardiac glycosides to patients with renal impairment?

    <p>Increased risk of hypokalemia</p> Signup and view all the answers

    What is the effect of cardiac glycosides on the symptoms of heart failure?

    <p>Decrease symptoms</p> Signup and view all the answers

    What is the primary effect of cardiac glycosides on the cardiac output?

    <p>Increased stroke volume</p> Signup and view all the answers

    Which of the following is a characteristic of right-side heart failure?

    <p>Peripheral edema</p> Signup and view all the answers

    What is the primary reason for monitoring serum levels of digoxin?

    <p>To detect toxicity</p> Signup and view all the answers

    What is the effect of verapamil on the serum levels of digoxin?

    <p>Increased serum levels</p> Signup and view all the answers

    Which of the following is a contraindication for cardiac glycosides?

    <p>Ventricular dysrhythmias</p> Signup and view all the answers

    What is the primary effect of spironolactone on the serum levels of digoxin?

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

    What is the primary nursing consideration when administering cardiac glycosides?

    <p>Apical pulse for 1 full minute</p> Signup and view all the answers

    What is the primary effect of cardiac glycosides on the heart rate?

    <p>Decreased heart rate</p> Signup and view all the answers

    What is the primary effect of cardiac glycosides on the cardiac output in patients with heart failure?

    <p>Increased stroke volume</p> Signup and view all the answers

    What is the primary indication for withholding cardiac glycosides in patients with ventricular dysrhythmias?

    <p>Risk of cardiotoxicity</p> Signup and view all the answers

    What is the primary effect of hypokalemia on the action of cardiac glycosides?

    <p>Increased risk of cardiotoxicity</p> Signup and view all the answers

    What is the primary mechanism of action of cardiac glycosides in the treatment of heart failure?

    <p>Positive inotropic effect</p> Signup and view all the answers

    What is the primary effect of cardiac glycosides on the gastrointestinal system?

    <p>First sign of toxicity</p> Signup and view all the answers

    What is the primary interaction to consider when administering cardiac glycosides with ACE inhibitors?

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

    What is the primary effect of cardiac glycosides on the symptoms of heart failure in patients with left-side heart failure?

    <p>Decreased pulmonary edema</p> Signup and view all the answers

    What is the primary reason for frequent serum checks when administering cardiac glycosides to patients with renal impairment?

    <p>Risk of cardiotoxicity</p> Signup and view all the answers

    What is the primary effect of cardiac glycosides on the cardiac output in patients with heart failure?

    <p>Increased stroke volume and cardiac output</p> Signup and view all the answers

    What is the primary interaction to consider when administering cardiac glycosides with potassium supplements?

    <p>Increased risk of hyperkalemia</p> Signup and view all the answers

    What is the primary effect of cardiac glycosides on the gastrointestinal system?

    <p>Nausea and vomiting</p> Signup and view all the answers

    What is the primary reason for caution when administering cardiac glycosides to patients with hypokalemia?

    <p>Increased risk of dysrhythmias</p> Signup and view all the answers

    What is the primary effect of cardiac glycosides on the symptoms of heart failure in patients with right-side heart failure?

    <p>Decreased symptoms of heart failure</p> Signup and view all the answers

    What is the primary contraindication for the administration of cardiac glycosides in patients with ventricular dysrhythmias?

    <p>Ventricular dysrhythmias</p> Signup and view all the answers

    What is the primary effect of cardiac glycosides on the apical pulse?

    <p>Decreased heart rate</p> Signup and view all the answers

    What is the primary reason for withholding cardiac glycosides in patients with certain apical pulse readings?

    <p>Abnormal apical pulse reading</p> Signup and view all the answers

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