10 Questions
Which instrument is used to measure and graph the electrical impulses generated in the heart?
Electrocardiogram
What do changes in voltage observed on an ECG represent?
Changes in heart contractions
Which of the following represents the depolarization of the atria on an ECG?
P wave
What does the QRS complex represent on an ECG?
Depolarization of the ventricles
Which interval on an ECG is measured from the start of the P wave to the start of the Q wave?
P-R interval
What does the T wave represent on an ECG?
Repolarization of the ventricles
Which interval on an ECG is measured from the start of the Q wave to the end of the S wave?
QRS interval
What does the S-T segment represent on an ECG?
Depolarization of the ventricles
Which interval on an ECG is measured from the end of the S segment to the start of the T wave?
S-T segment
Which interval on an ECG is measured from the start to end of the T wave?
T interval
Test your knowledge on measuring and tracking electrical impulses in the heart with this informative quiz! Explore the science behind electrocardiograms and learn about the graphical representation of these electrical events. Discover how changes in voltage can provide valuable insights into cardiac health.
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