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QCM 8 : Cycle cardiaque : A. Lorsque la fréquence cardiaque augmente la durée d'un cycle augmente aussi B. Lorsque la fréquence cardiaque augmente la durée de la systole diminue C. Lorsque la fréquence cardiaque augmente la durée de la systole diminue plus que la durée de la diastole. D. L'incisure dicrote marque la fin de la diastole. E. Le cycle cardiaque dure environ 8 secondes

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