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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The result of increased preload on cardiac muscle is?
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The correct answer is  ANSWER: (A) Lengthening of muscle fibreREF: Ganongs 22nd edp. 572Preload is determined by amount of blood reaching the heart; it causes an increase in the muscle fiber length and therefore according to frank starling's law increased force of contraction