Chapter 45- Antiarrhythmic Agents

1. A patient with a history of atrial fibrillation has had a worsening of their condition. The

nurse knows that the drug of choice for long-term stabilization of atrial fibrillation is

what?

A) Disopyramide (Norpace)

B) Moricizine (Ethmozine)

C) Procainamide (Pronestyl)

D) Quinidine (Generic)

2. There are several classes of antiarrhythmic drugs. What class of antiarrhythmics drugs

block potassium channels, prolonging phase 3 of the action potential, and slowing the

rate and conduction of the heart?

A) I

B) II

C) III

D) IV

3. You are caring for a pediatric patient who has been diagnosed with paroxysmal atrial

tachycardia. The order reads Lanoxin 10 mcg/kg PO. The child weighs 44 pounds.

How many mcg will you administer?

A) 50 mcg

B) 100 mcg

C) 150 mcg

D) 200 mcg

4. You are discharging a patient from the hospital. The patient is going home on quinidine

for atrial fibrillation. When providing discharge teaching you will include information

on possible food-drug interactions. What will you advise the patient to drink?

A) Apple juice

B) Grapefruit juice

C) Milk

D) Orange juice

5. A patient has had sotalol (Betapace) ordered for treatment of a ventricular arrhythmia.

What will the nurse consider when administering the drug?

A) Sotalol has a very short duration of action

B) Food increases the bioavailability of the drug

C) Absorption of sotalol is decreased by the presence of food

D) The drug is administered intramuscularly

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6. There are adverse effects to many medications. What antiarrhythmic agent can cause

insomnia?

A) Disopyramide (Norpace)

B) Amiodarone (Cordarone)

C) Procainamide (Pronestyl)

D) Propranolol (Inderal)

7. A patient with impaired renal function is to receive dofetilide (Tikosyn) for conversion

of atrial fibrillation. Which of the following should the nurse do before administering

the drug?

A) Check the patient's creatinine level

B) Administer amiodarone

C) Prepare the drug for intravenous administration

D) Ask the doctor if the patient should receive electrocardioversion

8. A nurse is caring for a patient who has had disopyramide (Norpace) ordered. Before

administering the disopyramide (Norpace) the nurse will do what to ensure the patient's

safety?

A) Offer the patient something to drink

B) Ask the patient if he needs to void

C) Raise all side rails

D) Place the call button within reach

9. An adult patient experiences premature atrial complex (PAC) on occasion (once every

couple of hours), but remains hemodynamically stable. The patient expresses concern

over the arrhythmia developing into a more fatal arrhythmia in the future. What is the

most appropriate nursing diagnosis for this patient?

A) Decreased cardiac output

B) Alteration in comfort

C) Deficient knowledge

D) Potential for injury

10. You are caring for a patient who takes an antidysrhythmic. What would be a priority

nursing action before administering this drug?

A) Assess the patient's mental status

B) Place the patient in semi-Fowler's position

C) Check the patient's apical and radial pulses

D) Check the patient's blood pressure

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