L1 Pharmacology, Antiarrythmic drugs

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1-This drug is a Class IA antiarrhythmic drug:

a) Sotalol
b) Propranolol
c) Verapamil
 d) Quinidine

2-This drug is a Class IB antiarrhythmic drug:

 a) Flecainide
b) Sotalol
c) Lidocaine
d) Verapamil

3- Which of the following drugs can be used to eliminate acute attack of supraventricular tachycardia and may induce bronchospasm?

 A. Lidocaine                              
 B. Verapamil
 C. Adenosine
 D. Diltiazem

4-This drug is a Class II antiarrhythmic drug:

a) Flecainide
b) Propranolol
 c) Lidocaine
d) Verapamil

5-This drug is a Class III antiarrhythmic drug:

a) Flecainide
 b) Amiodarone
c) Lidocaine
d) Verapamil

6- A 60-year-old woman had a lateral wall myocardial infarction. Which of the following should be used to prevent life-threatening arrhythmias that can occur postmyocardial infarction in this patient?

 A. Metoprolol. 
B. Flecainide. 
C. Procainamide.
 D. Quinidine.

7-This drug is a Class IV antiarrhythmic drug:

a) Flecainide
b) Sotalol
c) Lidocaine
d) Verapamil

8-This drug is used in treating supraventricular tachycardias:

a) Digoxin
b) Dobutamine
c) Amrinone
d) Dopamine

9- Which of the following effects is produced by lidocaine?

 A. Reduces abnormal automaticity
 B. Increases action potential duration 
C. Increases contractility 
D. Increases PR interval

10-This drug is useful in terminating atrial but not ventricular tachycardias:

a) Flecainide
 b) Sotalol
c) Lidocaine
d) Verapamil

11-This is a drug of choice for acute treatment of ventricular tachycardias:

 a) Flecainide
b) Sotalol
c) Lidocaine
 d) Verapamil

12-Verapamil has a significant effect on automaticity in the SA node. It's:

b) False
a) True

13-All of the following statements are accurate except

A.) Quinidine blocks Na channels
B) Lidocaine prolongs the duration of action potential
C.) Phenytoins can be used as an antiarrhythmic as well as an antiepileptic drug
 D. )miodarone has antiarrhythmic and antianginal effect

14- Quinidine can cause paradoxical tachycardia in some patients. Which of the following conditions is susceptible? 

A. Atrial fibrillation
 B. Sick sinus syndrome
 C. Atrial extrasystoles
 D. Ventricular extrasystoles

15- Hypothyroidism is a possible consequence of prolonged therapy with some drugs. which of the following antiarrhythmic drugs may be linked to this condition?

 A. Mexiletine
 B. Sotalol
 C. Amiodarone
 D. Procainamide

 16- Which of the following drugs is preferred for termination as well as prophylaxis of paroxysmal supraventricular tachycardia? 

A. Propranolol
 B. Quinidine 
C. Digoxin
 D. Verapamil

17-which of the following antiarrhythmic drug block ca channels…

a) propafenone
c) phenytoin

18- Which of the following antiarrhythmic drugs is considered the least cardiotoxic?

 A. Verapamil
 B. Quinidine
 C. Flecainide 
D. Lidocaine

 19- Torsade de points arrhythmia may occur as a side effect of some antiarrhythmic drugs. Which of the following drugs is not likely to cause this effect?

 A. Quinidine
 B. Lidocaine
 C. Sotalol
 D. Amiodarone

20)all of the following are side effect of quinidine ..EXEPET


21)mechanism of action of disopyramide resemble..

a) quinidine

22- Which of the following effects is not likely to be produced by procainamide?
23)side effect of procainamide don’t include ..

c)muscle pain
d)GIT disturbance 

25)all side effect of lidocaine……EXCEPT
c)slurred speech
d)hearing disturbance

MCQ answers

1-d         2- c           3- c             
4- b        5- b           6- a      
7- d        8- a           9-a
10- b     11- d         12-c
13- c      14- a         15-c
16- d     17- d        18- d
19- b      20- b        21-d
22- c      23- c         24- a
25- d