a) Match the regions (Red, Green, Blue) with the functiontions. A. Contraction of the atria B. Contraction of the ventricles C. Repolarization of ventricles D. Repolarization of atrium b) Estimate the heart rate (beats per min) corresponding to the ECG above given that one heart beat takes 0.75s. beats per minute

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
. The lead II potential difference of an ECG machine is shown below:
Lead Il voltage
(m V)
B. Contraction of the ventricles
C. Repolarization of ventricles
D. Repolarization of atrium
1.0
0.5
0
-0.5
Q
a) Match the regions (Red, Green, Blue) with the functiontions.
A. Contraction of the atria
S
beats per minute
0.5
1.0
1.5 t (s)
b) Estimate the heart rate (beats per min) corresponding to the ECG above given that one heart beat
takes 0.75s.
Transcribed Image Text:. The lead II potential difference of an ECG machine is shown below: Lead Il voltage (m V) B. Contraction of the ventricles C. Repolarization of ventricles D. Repolarization of atrium 1.0 0.5 0 -0.5 Q a) Match the regions (Red, Green, Blue) with the functiontions. A. Contraction of the atria S beats per minute 0.5 1.0 1.5 t (s) b) Estimate the heart rate (beats per min) corresponding to the ECG above given that one heart beat takes 0.75s.
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