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During the BIOPAC Activity, Why Did the Subject's Q-T Interval

Question 14

Multiple Choice

During the BIOPAC activity, why did the subject's Q-T interval shorten after physical exercise?


A) Because the heart contractions are stronger
B) Because the heart muscle is receiving too much oxygen
C) Because the heart is beating faster, the length of time for a ventricular contraction must shorten.
D) Because the heart is beating too fast and the heart is compensating

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