Question 1

Which of the following is typically not used to treat atrial fibrillation?

Accepted Answer

A) Digoxin 
B) Propranolol 
C) Sotalol 
D) Ibutilide 
A) Digoxin 
B) Propranolol 
C) Sotalol 
D) Ibutilide

Question 2

Match each of the following drugs with the appropriate antiarrhythmic class.
-Class II agent

Accepted Answer

A) Propranolol 
B) Disopyramide 
C) Amiodarone 
D) Lidocaine 
E) Verapamil
F)Propafenone 
A) Propranolol 
B) Disopyramide 
C) Amiodarone 
D) Lidocaine 
E) Verapamil
F)Propafenone

Question 3

Which of the following is a class III antiarrhythmic?

Accepted Answer

A) Propranolol 
B) Sotalol 
C) Esmolol 
D) Acebutolol 
A) Propranolol 
B) Sotalol 
C) Esmolol 
D) Acebutolol

Question 4

The prototype Class IA antiarrhythmic that has been widely used since the 1920s is _____.

Accepted Answer

A) digoxin 
B) quinidine 
C) verapamil 
D) amiodarone 
A) digoxin 
B) quinidine 
C) verapamil 
D) amiodarone

Question 5

MATCHING
Match the following drugs with their properties.
-Class II agents

Accepted Answer

A) Beta blockers 
B) CCBs 
C) Other or unknown mechanisms 
D) Act on sodium channels 
E) Act on potassium channels 
A) Beta blockers 
B) CCBs 
C) Other or unknown mechanisms 
D) Act on sodium channels 
E) Act on potassium channels

Question 6

MATCHING
Match the following drugs with their properties.
-Class III agents

Accepted Answer

A) Beta blockers 
B) CCBs 
C) Other or unknown mechanisms 
D) Act on sodium channels 
E) Act on potassium channels 
A) Beta blockers 
B) CCBs 
C) Other or unknown mechanisms 
D) Act on sodium channels 
E) Act on potassium channels

Question 7

How does blocking calcium channels help resolve arrhythmias?

Accepted Answer

A) By decreasing conduction,thus reducing contractility 
B) By intensifying the rate of contractions of the heart 
C) By increasing depolarization rate 
D) By shortening the refractory period 
A) By decreasing conduction,thus reducing contractility 
B) By intensifying the rate of contractions of the heart 
C) By increasing depolarization rate 
D) By shortening the refractory period

Question 8

Which of the following is used for primary management of ventricular arrhythmias?

Accepted Answer

A) Propranolol 
B) Verapamil 
C) Amiodarone 
D) Lidocaine 
A) Propranolol 
B) Verapamil 
C) Amiodarone 
D) Lidocaine

Question 9

MATCHING
Match the following drugs with their properties.
-Class IV agents

Accepted Answer

A) Beta blockers 
B) CCBs 
C) Other or unknown mechanisms 
D) Act on sodium channels 
E) Act on potassium channels 
A) Beta blockers 
B) CCBs 
C) Other or unknown mechanisms 
D) Act on sodium channels 
E) Act on potassium channels

Question 10

Which of the following must be administered parenterally for the treatment of arrhythmias?

Accepted Answer

A) Quinidine 
B) Procainamide 
C) Lidocaine 
D) Mexiletine 
A) Quinidine 
B) Procainamide 
C) Lidocaine 
D) Mexiletine

Question 11

Atrial flutter is typically treated by _____.

Accepted Answer

A) drug therapy 
B) catheterization 
C) using a defibrillator 
D) no treatment is available 
A) drug therapy 
B) catheterization 
C) using a defibrillator 
D) no treatment is available

Question 12

Match each of the following drugs with the appropriate antiarrhythmic class.
-Class IC agent

Accepted Answer

A) Propranolol 
B) Disopyramide 
C) Amiodarone 
D) Lidocaine 
E) Verapamil
F)Propafenone 
A) Propranolol 
B) Disopyramide 
C) Amiodarone 
D) Lidocaine 
E) Verapamil
F)Propafenone

Exam 25: Treatment of Arrhythmia

Which of the following is typically not used to treat atrial fibrillation?

Match each of the following drugs with the appropriate antiarrhythmic class. -Class II agent

Which of the following is a class III antiarrhythmic?

The prototype Class IA antiarrhythmic that has been widely used since the 1920s is _____.

MATCHING Match the following drugs with their properties. -Class II agents

MATCHING Match the following drugs with their properties. -Class III agents

How does blocking calcium channels help resolve arrhythmias?

Which of the following is used for primary management of ventricular arrhythmias?

MATCHING Match the following drugs with their properties. -Class IV agents

Which of the following must be administered parenterally for the treatment of arrhythmias?

Atrial flutter is typically treated by _____.

Match each of the following drugs with the appropriate antiarrhythmic class. -Class IC agent

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