40 Questions
What is the primary cause of peripheral edema in heart failure?
Blood backing up into veins
What is the primary mechanism of action of cardiac glycosides in heart failure?
Positive inotropic effects and negative chronotropic effects
What is the primary reason for frequent serum checks when administering cardiac glycosides?
To monitor for adverse effects and toxicity
What is the primary adverse effect of cardiac glycosides that can be mistaken for a GI problem?
Nausea and vomiting
What is the primary contraindication for the administration of cardiac glycosides?
Ventricular dysrhythmias
What is the primary interaction to consider when administering cardiac glycosides with diuretics?
Increased risk of hypokalemia
What is the primary nursing consideration when administering cardiac glycosides?
Taking apical pulse for 1 full minute
What is the primary reason for caution when administering cardiac glycosides to older adults?
Increased risk of adverse effects and toxicity
What is the consequence of blood backing up into the lungs due to left-side heart failure?
Fluid in the lungs
Which of the following is a characteristic of cardiac glycosides?
Positive inotropic effect
What is the range of serum levels that indicates the effectiveness of digoxin therapy?
0.5-2.0 ng/ml
Which of the following medications can increase the serum levels of digoxin?
Verapamil
What is the primary reason for withholding cardiac glycosides in certain patients?
Ventricular dysrhythmias
What is the effect of antacids on the absorption of digoxin?
Decrease absorption
What is the primary reason for caution when administering cardiac glycosides to patients with renal impairment?
Increased risk of hypokalemia
What is the effect of cardiac glycosides on the symptoms of heart failure?
Decrease symptoms
What is the primary effect of cardiac glycosides on the cardiac output?
Increased stroke volume
Which of the following is a characteristic of right-side heart failure?
Peripheral edema
What is the primary reason for monitoring serum levels of digoxin?
To detect toxicity
What is the effect of verapamil on the serum levels of digoxin?
Increased serum levels
Which of the following is a contraindication for cardiac glycosides?
Ventricular dysrhythmias
What is the primary effect of spironolactone on the serum levels of digoxin?
Hyperkalemia
What is the primary nursing consideration when administering cardiac glycosides?
Apical pulse for 1 full minute
What is the primary effect of cardiac glycosides on the heart rate?
Decreased heart rate
What is the primary effect of cardiac glycosides on the cardiac output in patients with heart failure?
Increased stroke volume
What is the primary indication for withholding cardiac glycosides in patients with ventricular dysrhythmias?
Risk of cardiotoxicity
What is the primary effect of hypokalemia on the action of cardiac glycosides?
Increased risk of cardiotoxicity
What is the primary mechanism of action of cardiac glycosides in the treatment of heart failure?
Positive inotropic effect
What is the primary effect of cardiac glycosides on the gastrointestinal system?
First sign of toxicity
What is the primary interaction to consider when administering cardiac glycosides with ACE inhibitors?
Hyperkalemia
What is the primary effect of cardiac glycosides on the symptoms of heart failure in patients with left-side heart failure?
Decreased pulmonary edema
What is the primary reason for frequent serum checks when administering cardiac glycosides to patients with renal impairment?
Risk of cardiotoxicity
What is the primary effect of cardiac glycosides on the cardiac output in patients with heart failure?
Increased stroke volume and cardiac output
What is the primary interaction to consider when administering cardiac glycosides with potassium supplements?
Increased risk of hyperkalemia
What is the primary effect of cardiac glycosides on the gastrointestinal system?
Nausea and vomiting
What is the primary reason for caution when administering cardiac glycosides to patients with hypokalemia?
Increased risk of dysrhythmias
What is the primary effect of cardiac glycosides on the symptoms of heart failure in patients with right-side heart failure?
Decreased symptoms of heart failure
What is the primary contraindication for the administration of cardiac glycosides in patients with ventricular dysrhythmias?
Ventricular dysrhythmias
What is the primary effect of cardiac glycosides on the apical pulse?
Decreased heart rate
What is the primary reason for withholding cardiac glycosides in patients with certain apical pulse readings?
Abnormal apical pulse reading
Test your knowledge on cardiovascular disorders, specifically heart failure, and the medications used to treat it. This quiz covers the effects of heart failure on the body, including peripheral edema and pulmonary edema, and the mechanism of action of cardiac glycosides.
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