Multiple Choice
Which of the following is true if intake is less than expenditure?
10. Energy Balance: Body Weight, Obesity, & Eating Disorders
Energy Balance
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Which of the following would most directly increase your basal metabolic rate (BMR)?
A
Exercise-based movements.
B
Advanced age (over 60 years old)
C
Non-exercise movements like fidgeting.
D
Increasing lean body mass.
Verified step by step guidance1
Understand the concept of Basal Metabolic Rate (BMR): BMR is the amount of energy your body requires to maintain basic physiological functions like breathing, circulation, and cell production while at rest.
Recognize the factors that influence BMR: These include lean body mass, age, gender, genetics, and hormonal activity. Lean body mass is the most significant factor because muscle tissue requires more energy to maintain than fat tissue.
Analyze the options provided: Exercise-based movements and non-exercise movements like fidgeting can temporarily increase energy expenditure but do not directly affect BMR. Advanced age typically decreases BMR due to loss of lean body mass and hormonal changes.
Focus on the correct answer: Increasing lean body mass directly increases BMR because muscle tissue has a higher metabolic rate compared to fat tissue. This means the body burns more calories at rest when lean body mass is higher.
Conclude the reasoning: To increase BMR most directly, strategies should focus on building and maintaining lean body mass through resistance training, adequate protein intake, and overall healthy lifestyle habits.
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