CARDIOVASCULAR SYSTEM MCQ – Exercise 27

The multiple choice questions in this online test paper focuses on CARDIOVASCULAR SYSTEM MCQ. If you are looking for self evaluation of your PG Medical entrance exam preparation then this online CARDIOVASCULAR SYSTEM MCQ Test Paper will help you to evaluate your exam preparation.

Instruction for REPRODUCTIVE BIOLOGY/ REPRODUCTIVE MEDICINE / INFERTILITY MCQs:

1- This online MCQ practice test paper contains 30 questions.
2- Each question in this online practice test paper have four options and only 1 option is correct.
3- You can view the answers of this practice test paper after submitting the practice test paper.
Note: The answers mentioned at the end of practice test are the best suitable option as per our knowledge. Users shall cross-check the answers with their textbooks.

Q 1. which of the following about AVNRT is false

fast pathway has a longer refractory period

slow pathway lower in the AV node region

during sinus rhythm conduction is through both pathways

none of the above

Q 2. which of the following occurs in a typical AV nodal reentrant tachycardia

repetitive activation up slow and down fast pathway

repetitive activation down slow and up fast pathway

repetitive activation down slow pathway

repetitive activation down fast pathway

Q 3. incidence of SVT supraventricular tachycardia is about

35 cases per 100.000 persons per year

70 cases per 100.000 persons per year

100 cases per 100.000 persons per year

150 cases per 100.000 persons per year

Q 4. which of the following statements about SVT is false

most common cause is AVNRT

most commonly observed in women

presents as regular narrow QRS complex tachycardia @ 120 to 150 bpm

APCs that initiate the SVT has a normal PR interval

Q 5. danger of radiofrequency catheter ablation of accessory pathway in SVT is

pulmonary embolism

myocardial perforation

valvilar damage

all of the above

Q 6. Frog sign is best related to

arterial pulse

jugular veins

abdominal pulsations

nail beds

Q 7. which of the following statements about sinus tachycardia is false

sudden in onset and recession

regular

rate < 220 bpm minus the patients age

P wave preced the QRS complex

Q 8. which of the following about atrioventricular nodal reentrant tachycardia is false

most common paroxysmal regular SVT

more common in men than in women

typically manifests in II to IV decades of life

occur in the absence of structural heart disease

Q 9. which of the following drugs are used in treatment of SVT

intravenous procainamide

intravenous ibutilide

intravenous propfenone

all of the above

Q 10. focal ATs can be distinguished by

response to adenosine

response to amiodarone

response to verapamil

all of the above

Q 11. which of the following drugs is useful in preventing recurrences of atrial flutter

quinidine

sotalol

amiodarone

all of the above

Q 12. Frog sign is best related to

AVNRT

all of the above

Q 13. characteristic of radiofrequency current used for catheter ablation of accessory pathways in SVT is

low voltage, high frequency form of electrical energy

high voltage, low frequency form of electrical energy

high voltage, high frequency form of electrical energy

low voltage,low frequency form of electrical energy

Q 14. in SVT adenosine is contraindicated in patients with

in heart transplant receipients

in patients with severe obstructive lung disease

in patients with tachycardia with a wide QRS complex

all of the above

Q 15. which of the following symptoms is uncommon in SVT

palpitations

dyspnoea

light headedness

syncope

Q 16. which of the following is the signature tachycardia of significant pulmonary disease

atrial flutter

atrial fibrillation

MAT

AV nodal reentrant tachycardia

Q 17. which of the following statements about multifocal atrial tachycardia (MAT) is false

defined as ≥ 3 consecutive P waves of different morphologies at rates >100 beats /minute

common following theophylline administration

irregular ventricular rate

high incidence of VF

Q 18. prevalence of SVT is about

2.25 per 1000

5 per 1000

10 per 1000

20 per 1000

Q 19. atrial flutter is a form of atrial reentry localized to the

right atrium

left atrium

both atria

both atria and AV node

Q 20. typival AFL circuit rotates around

mitral valve annulus

tricuspid valve annulus

aortic valve annulus

pulmonary valve annulus

Q 21. which of the following statements is false about macroreenterant arrhythmias

macroreenterant arrhythmias involving atrial myocardium are called AFL

nonfocal source of an atrial arhythmia

AFL is poorly tolerated than AF

none of the above

Q 22. in atrial flutter the atria rate is

150 and 250 bpm

260 and 300 bpm

300 and 400 bpm

400 and 550 bpm

Q 23. in ECG flutter waves of atrial flutter are most prominent in

inferior leads

anterior leads

posterior leads

lateral leads

Q 24. which of the following is false about automatic atrial tachycardia

response to adenosine

provoked by isoproterenol infusion

first P wave of AT has same morphology as remaining waves

none of the above

Q 25. which of the following statements about SVT is false

most have a reentry mechanism

classified according to location of reentry circuit

approx 60% are due to AV nodal reentry circuit

SVT is usually associated with structural heart disease

Q 26. danger of radiofrequency catheter ablation of accessory pathway in SVT is

atrioventricular block that requires pacemaker therapy

damage to an entry , bleeding , arterivenous fistula

coronary venous thrombosis

all of the above

Q 27. which of the following is false about focal reentrant atrial tachycardia

initiate with spontaneous premature beats

P wave initiating tachycardia has different morphology than P wave during sustained AT

do not slow and /or terminate with adenosine

none of the above

Q 28. which of the following is an anatomic ridge in heart

crista terminalis

valve annuli

limbus of fossa ovalis

all of the above

Q 29. which of the following drugs are used in treatment of SVT

adenosine

intravenous verapamil

intravenous beta blocker

all of the above

Q 30. which of the following statements about multifocal atrial tachycardia (MAT) is false

signature tachycardia of significant pulmonary disease

isoelectric baseline on ECG

absence of any intervening sinus rhythm

none of the above

CARDIOVASCULAR SYSTEM MCQ – Exercise 27

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CARDIOVASCULAR SYSTEM MCQ – Exercise 27

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