Dr John Campbell
@campbellteaching·3.3M subscribers·3.1K videos
Heart 8, ECG waves
Posted
April 4, 2019
Views
4,338
Likes
163
Comments
13
Engagement
4.06%
April 4, 2019
4,338
163
13
4.06%
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13:27Now PlayingECG Waves MCQs, answers in the comments section please.
1. At rest prior to contraction, an individual myocite will be electrically
a. negative inside
b. negative outside
c. positive inside
d. neutral on both sides of the external cell membrane
2. A normal sinus rhythm ECG trace always has a;
a. P wave after the QRS complex
b. P wave before the QRS complex
c. 0.3 second gap between the P wave and the QRS complex
d. 0.05 second gap after the T wave before the next P wave
3. The P wave is generated by the;
a. depolarisation of the atrial myocardium
b. repolarisation of the atrial myocardium
c. depolarisation of the ventricular myocardium
d. repolarisation of the ventricular myocardium
4. The QRS complex is generated by the;
a. depolarisation of the atrial myocardium
b. repolarisation of the atrial myocardium
c. depolarisation of the ventricular myocardium
d. repolarisation of the ventricular myocardium
5. The T wave is generated by the;
a. depolarisation of the atrial myocardium
b. repolarisation of the atrial myocardium
c. depolarisation of the ventricular myocardium
d. repolarisation of the ventricular myocardium
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