ECGS MADE EASY EXAMINATION TEST BANK FULLY UPDATED VIEW AHEAD PREPARATION FOR ELECTROCARDIOGRAPHY

ECGS MADE EASY EXAMINATION TEST
BANK FULLY UPDATED VIEW AHEAD
PREPARATION FOR
ELECTROCARDIOGRAPHY

⩥ If the wave of depolarization (electrical impulse) moves toward the
positive electrode, the waveform recorded on ECG graph paper will be
inverted (negative deflection).
Answer: False


⩥ 3. Ventricular depolarization is reflected on the ECG as the T wave.
Answer: False


⩥ Leads V1 and V2 view the interventricular septum.
Answer: True


⩥ Abnormal automaticity is a disorder of impulse conduction.
Answer: False


⩥ The ERP is the period of the cardiac action potential that includes the
ARP and the first half of the RRP.
Answer: True

, ⩥ The ST segment is measured from


a. the end of the QRS complex to the end of the T wave.
b. the beginning of the QRS complex to the end of the T wave.
c. the end of the QRS complex to the beginning of the T wave.
d. the beginning of the QRS complex to the beginning of the T wave.
Answer: c. the end of the QRS complex to the beginning of the T wave.


⩥ 8. Five large boxes, each consisting of five small boxes, represent
______ on ECG paper.
a. 1 second
b. 3 seconds
c. 6 seconds
d. 10 seconds
Answer: a. 1 second


⩥ Which part of the conduction system receives an impulse from the SA
node but delays relaying that impulse to the bundle of His, allowing time
for the atria to empty their contents into the ventricles before the onset of
ventricular contraction?
a. AV node
b. Right atrium