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Exam 2: Defining and Measuring Energy

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Question 51

Multiple Choice

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Match the energy measurement technique with the statement that best describes it. Use each answer only once. -Doubly-labeled water

A) Gas-exchange method used in many exercise physiological labs
B) Used in free-living situations to measure energy expenditure over weeks
C) Used to directly measure thermal energy in food
D) Direct calorimetry method used with humans for research purposes

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Question 52

Multiple Choice

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Review Later

Match the energy measurement technique with the statement that best describes it. Use each answer only once. -Room-size calorimeter

A) Gas-exchange method used in many exercise physiological labs
B) Used in free-living situations to measure energy expenditure over weeks
C) Used to directly measure thermal energy in food
D) Direct calorimetry method used with humans for research purposes

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Question 53

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Explain to a member of a health and fitness club why severely restricting food intake is not recommended and why it may be detrimental to the goal of permanent weight loss.

The three energy systems that replenish ATP are creatine phosphate, anaerobic glycolysis, and oxidative phosphorylation.

The Cunningham equation may be the best equation to use with athletes because it accounts more accurately for fat-free mass.

indicate the influence of each factor on resting metabolic rate. -Ascending to high altitude

Even in sedentary individuals, physical activity is the largest component of "energy out."

In the energy balance equation, the only component of "energy in" is:

Which of the following equations used to predict resting metabolic rate best accounts for the higher-than-normal amount of muscle mass in trained athletes?

On a kcal/g basis, the caloric content of carbohydrate is approximately the same as that of:

indicate the influence of each factor on resting metabolic rate. -Exercise

To obtain an accurate measurement of resting metabolic rate it is not necessary for an athlete to abstain from resistance or endurance exercise in the hours prior to the test.

ATP is critical for muscle contraction, but is not involved in muscle relaxation.

Carbohydrate foods contain approximately _____ kcal/g.

Explain why calculating the caloric content of one's diet could be both beneficial and detrimental.

The two most common factors that influence enzyme activity are:

The greatest source of error when using a food diary is the inaccurate recording of the amount and type of foods and beverages consumed.

Explain the impact of physical activity on energy expenditure.

Estimate resting metabolic rate in a 165-lb (75-kg) male using the simplest formula discussed in the text.

Explain the concept of conservation of energy and how this concept applies to energy utilization in the body.