300+ TOP MCQs on Electrocardiography and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology ECG Multiple Choice Questions

MCQs on Electrocardiography :

1. ECG (Electrocardiogram) was developed first by
(a) Wilhelm His
(b) Steward
(c) Hubert Mann
(d) Willem Einthoven

Answer

Answer: (d)

2. This is the classic ECG change in MI (myocardial infarction)
(a) ST-segment elevation
(b) T-wave inversion
(c) Development of an abnormal Q wave
(d) All of these

Answer

Answer: (d)

3. In which of these conditions can widen QRS and Tall-tented T waves be observed?
(a) Hyponatremia
(b) Hyperkalemia
(c) Hyperglycemia
(d) Hyperphosphatemia

Answer

Answer: (b)

4. A particular ECG change observed in Hypokalemia is
(a) ST segment elevation
(b) U wave (a position deflection after the T wave)
(c) Tall peaked T waves
(d) Widening of the QRS complex and increased amplitude

Answer

Answer: (b)

5. ECG report must consist of the following information
(a) Rhythm, cardiac axis
(b) Conduction intervals
(c) Description of the ST segments, QRS complexes, T-waves
(d) All of these

Answer

Answer: (d)

6. For the normal heartbeat, depolarization stimulus originates in
(a) His-bundle areas
(b) Epicardium
(c) Sinoatrial (SA)node
(d) Atrioventricular (AV) node

Answer

Answer: (c)

7. The characteristics – slurring of the initial QRS deflection, shortened PR interval, and prolonged QRS duration are of this condition
(a) Atrial tachycardia
(b) Left bundle branch block
(c) WPW (Wolff-Parkinson-White) syndrome
(d) Myocardial ischemia

Answer

Answer: (c)

8. P wave indicates
(a) Depolarization of right ventricle
(b) Depolarization of left ventricle
(c) Depolarization of both atria
(d) Atria to ventricular conduction time

Answer

Answer: (c)

9. Ventricular muscle depolarization is indicated by
(a) PR interval
(b) P wave
(c) U wave
(d) The QRS complex

Answer

Answer: (d)

10. ECG identified by the PR interval tends to become longer with every succeeding ECG complex until there is a P wave not followed by a QRS is observed in
(a) Third-Degree Atrioventricular Block
(b) Second-Degree Atrioventricular Block, Type II
(c) Second-Degree Atrioventricular Block, Type I
(d) First-Degree Atrioventricular Block, Type II

Answer

Answer: (c)

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