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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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Most common determinant of energy expenditure in a resting state is:
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The correct answer is  Energy expended in the resting state depends primarily on the lean body mass and the metabolic cost for processing ingested nutrients. Ref: New Developments in Obesity Research By Lawrence F. Ditmier, Page 131; Handbook of Obesity: Etiology and Pathophysiology By George A. Bray, Page 705