Question 1

A patient has been taking digoxin (Lanoxin) at home but has developed toxicity.The physician has ordered digoxin immune Fab.The patient asks the nurse why the medication has been changed.Which is the nurse's best response?

Accepted Answer

A)  "It works faster than digoxin."
B)  "It is safer than digoxin and can be taken orally."
C)  "It helps to convert the fibrillating atria to a more normal rhythm."
D)  "This new drug is an antidote to digoxin and will help to lower the blood levels." D

Question 2

When a patient is experiencing digoxin toxicity,which clinical situations necessitate the use of digoxin immune Fab? (Select all that apply.) 
(Answer with small letters,followed by a comma and a space [e.g.,a,b,c,d])

Accepted Answer

A)  The patient reports seeing colourful halos around lights.
B)  The patient's serum potassium level is above 5 mmol/L.
C)  The patient is experiencing nausea and anorexia.
D)  The patient's heart rhythm is atrial flutter with a rate of 115 per minute.
E)  The patient is experiencing long runs of ventricular tachycardia.F) The patient is experiencing severe sinus bradycardia that does not respond to cardiac pacing.G) The patient has taken an overdose of greater than 10 mg of digoxin.H) The patient reports fatigue and headaches.

Question 3

A patient about to receive his morning dose of digoxin (Lanoxin) has an apical pulse of 70 beats per minute.What should the nurse do?

Accepted Answer

A)  Administer the dose
B)  Withhold the dose and notify the physician
C)  Notify the physician and monitor the patient's vital signs
D)  Recheck the pulse, making sure to count for 1 full minute A

Question 4

Which medication results in a drug interaction if given to a patient taking digitalis?

Accepted Answer

A)  acetylsalicylic acid (Aspirin) 
B)  acetaminophen (Tylenol) 
C)  quinidine sulphate
D)  Vitamin K

Question 5

The nurse who is assessing a patient who is receiving intravenous (IV) digitalis recognizes that the drug has a negative chronotropic effect.How is a negative chronotropic effect evident in a patient?

Accepted Answer

A)  By an increased heart rate
B)  By a decreased heart rate
C)  By decreased conduction
D)  By increased ectopic beats B

Question 6

Which condition predisposes a patient to digitalis toxicity?

Accepted Answer

A)  Hypercalcemia and advanced age
B)  Hyperthyroidism and liver dysfunction
C)  Ventricular fibrillation and hyperkalemia
D)  Dysrhythmias and hypernatremia

Question 7

The nurse is assessing the patient before administration of a cardiac glycoside.Which condition can predispose a patient to digitalis toxicity?

Accepted Answer

A)  Hypokalemia
B)  Hyperkalemia
C)  Hypocalcemia
D)  Heart failure

Question 8

A patient is beginning digoxin (Lanoxin) therapy.Which food should the nurse tell this patient to avoid when taking the digoxin dose?

Accepted Answer

A)  Cooked vegetables
B)  Canned fruits
C)  Fried foods
D)  Bran muffins

Question 9

Which assessment result is the most important indicator of an exacerbation of heart failure?

Accepted Answer

A)  Increased weight
B)  Hypokalemia
C)  Increased pulse
D)  Increased oxygen saturation

Question 10

A patient with atrial fibrillation has been started on digoxin (Lanoxin) ,and 1 week later a digoxin level is drawn.Which result is within the normal therapeutic levels for digoxin?

Accepted Answer

A)  0.1-0.6 ng/mL
B)  0.7-1.5 ng/mL
C)  2.0-2.5 ng/mL
D)  2.5-3.0 ng/mL

Question 11

The nurse is administering the phosphodiesterase inhibitor milrinone.
What is the drug's positive inotropic effect?

Accepted Answer

A)  Increased heart rate
B)  Increased blood vessel dilation
C)  Increased force of cardiac contraction
D)  Increased conduction of electrical impulses across the heart

Question 12

The nurse is assessing a patient before administration of a cardiac glycoside.Which laboratory result can increase the toxicity of the drug?

Accepted Answer

A)  Potassium level of 2.8 mmol/L
B)  Potassium level of 4.9 mmol/L
C)  Sodium level of 140 mmol/L
D)  Calcium level of 10 mmol/L

Question 13

A patient has been placed on a milrinone infusion as part of the therapy for end-stage heart failure.What risk should the nurse keep in mind while assessing this patient during the infusion?

Accepted Answer

A)  Hypotension
B)  Hyperkalemia
C)  Hypertension
D)  Decreased urine output

Exam 25: Heart Failure Drugs

A patient has been taking digoxin (Lanoxin) at home but has developed toxicity.The physician has ordered digoxin immune Fab.The patient asks the nurse why the medication has been changed.Which is the nurse's best response?

Correct Answer
verified
D

When a patient is experiencing digoxin toxicity,which clinical situations necessitate the use of digoxin immune Fab? (Select all that apply.) (Answer with small letters,followed by a comma and a space [e.g.,a,b,c,d])

Correct Answer
verified

A patient about to receive his morning dose of digoxin (Lanoxin) has an apical pulse of 70 beats per minute.What should the nurse do?

Correct Answer
verified
A

Which medication results in a drug interaction if given to a patient taking digitalis?

Correct Answer
verified

The nurse who is assessing a patient who is receiving intravenous (IV) digitalis recognizes that the drug has a negative chronotropic effect.How is a negative chronotropic effect evident in a patient?

Correct Answer
verified
B

Which condition predisposes a patient to digitalis toxicity?

Correct Answer
verified

The nurse is assessing the patient before administration of a cardiac glycoside.Which condition can predispose a patient to digitalis toxicity?

Correct Answer
verified

A patient is beginning digoxin (Lanoxin) therapy.Which food should the nurse tell this patient to avoid when taking the digoxin dose?

Correct Answer
verified

Which assessment result is the most important indicator of an exacerbation of heart failure?

Correct Answer
verified

A patient with atrial fibrillation has been started on digoxin (Lanoxin) ,and 1 week later a digoxin level is drawn.Which result is within the normal therapeutic levels for digoxin?

Correct Answer
verified

The nurse is administering the phosphodiesterase inhibitor milrinone. What is the drug's positive inotropic effect?

Correct Answer
verified

The nurse is assessing a patient before administration of a cardiac glycoside.Which laboratory result can increase the toxicity of the drug?

Correct Answer
verified

A patient has been placed on a milrinone infusion as part of the therapy for end-stage heart failure.What risk should the nurse keep in mind while assessing this patient during the infusion?

Correct Answer
verified

Exam 25: Heart Failure Drugs

A patient has been taking digoxin (Lanoxin) at home but has developed toxicity.The physician has ordered digoxin immune Fab.The patient asks the nurse why the medication has been changed.Which is the nurse's best response?

Correct AnswerverifiedD

When a patient is experiencing digoxin toxicity,which clinical situations necessitate the use of digoxin immune Fab? (Select all that apply.) (Answer with small letters,followed by a comma and a space [e.g.,a,b,c,d])

Correct AnswerverifiedShow Answer

A patient about to receive his morning dose of digoxin (Lanoxin) has an apical pulse of 70 beats per minute.What should the nurse do?

Correct AnswerverifiedA

Which medication results in a drug interaction if given to a patient taking digitalis?

Correct AnswerverifiedShow Answer

The nurse who is assessing a patient who is receiving intravenous (IV) digitalis recognizes that the drug has a negative chronotropic effect.How is a negative chronotropic effect evident in a patient?

Correct AnswerverifiedB

Which condition predisposes a patient to digitalis toxicity?

Correct AnswerverifiedShow Answer

The nurse is assessing the patient before administration of a cardiac glycoside.Which condition can predispose a patient to digitalis toxicity?

Correct AnswerverifiedShow Answer

A patient is beginning digoxin (Lanoxin) therapy.Which food should the nurse tell this patient to avoid when taking the digoxin dose?

Correct AnswerverifiedShow Answer

Which assessment result is the most important indicator of an exacerbation of heart failure?

Correct AnswerverifiedShow Answer

A patient with atrial fibrillation has been started on digoxin (Lanoxin) ,and 1 week later a digoxin level is drawn.Which result is within the normal therapeutic levels for digoxin?

Correct AnswerverifiedShow Answer

The nurse is administering the phosphodiesterase inhibitor milrinone. What is the drug's positive inotropic effect?

Correct AnswerverifiedShow Answer

The nurse is assessing a patient before administration of a cardiac glycoside.Which laboratory result can increase the toxicity of the drug?

Correct AnswerverifiedShow Answer

A patient has been placed on a milrinone infusion as part of the therapy for end-stage heart failure.What risk should the nurse keep in mind while assessing this patient during the infusion?

Correct AnswerverifiedShow Answer

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D

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A

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B

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