Ron Larson
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Chapter 10 Review Exercises

Chapter 10 Review Exercises
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  • 1. Calculating the Body Fat Percentage and Body Mass Index of a Man

    You have the following information about a man.

    Weight: 145 pounds

    Waist: 30 inches

    Age: 22 years

    Find (a) the body fat percentage and (b) the body mass index for the man.

    • Worked-Out Solution
      1. Using a spreadsheet, you can see that the man's body fat percentage is about 12.5%.

      2. Use the formula for body mass index to find the man's body mass index.

        The man's body mass index is about 19.70.

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      _____      ___               __   __   _    _   
 |__  //    / _ \\      ___    \ \\/ // | |  | || 
   / //    / //\ \\    /   ||   \ ` //  | |/\| || 
  / //__  |  ___  ||  | [] ||    | ||   |  /\  || 
 /_____|| |_||  |_||   \__ ||    |_||   |_// \_|| 
 `-----`  `-`   `-`     -|_||    `-`'   `-`   `-` 
                         `-`
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  • 2. Calculating the Body Fat Percentage and Body Mass Index of a Woman

    You have the following information about a woman.

    Weight: 115 pounds

    Wrist: 4 inches

    Waist: 25 inches

    Hips: 31 inches

    Forearm: 6.6 inches

    Age: 23 years

    Find (a) the body fat percentage and (b) the body mass index for the woman.

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     __   _    __   __     _____   __   __     _____  
| || | ||  \ \\/ //   / ___//  \ \\/ //   / ___// 
| '--' ||   \ ` //    \___ \\   \ ` //    \___ \\ 
| .--. ||    | ||     /    //    | ||     /    // 
|_|| |_||    |_||    /____//     |_||    /____//  
`-`  `-`     `-`'   `-----`      `-`'   `-----`
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  • 3. Calculating a Man's Daily Calorie Balance

    You have the following information about a man.

    Weight: 145 pounds

    Height: 68 inches

    Age: 22 years old

    Activity level: very active

    Daily calorie intake: 3200 calories

    Determine whether you would expect the man to be losing weight or gaining weight. Explain your reasoning.

    • Worked-Out Solution

      Using a spreadsheet, you can see that the man should be gaining weight.

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                ______    ______   __   __   _    _   
  ____     /_   _//  /_____//  \ \\/ // | |  | || 
 |    \\    -| ||-   `____ `    \ ` //  | |/\| || 
 | [] ||    _| ||_   /___//      | ||   |  /\  || 
 |  __//   /_____//  `__ `       |_||   |_// \_|| 
 |_|`-`    `-----`   /_//        `-`'   `-`   `-` 
 `-`                 `-`
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  • 4. Calculating a Woman's Daily Calorie Balance

    You have the following information about a woman.

    Weight: 115 pounds

    Height: 64 inches

    Age: 23 years

    Activity level: moderately active

    Daily calorie intake: 1600 calories

    Determine whether you would expect the woman to be losing weight or gaining weight. Explain your reasoning.

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      ______   __   __   _____     __   __    _____   
 /_   _//  \ \\/ // |  __ \\   \ \\/ //  / ____|| 
   | ||     \ ` //  | |  \ ||   \ ` //  / //---`' 
  _| ||      | ||   | |__/ ||    | ||   \ \\___   
 /__//       |_||   |_____//     |_||    \_____|| 
 `--`        `-`'    -----`      `-`'     `----`
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  • 5. Determining Whether a Person is in the Cardio Zone

    Use the graph to determine whether a 25-year-old with a heart rate of 160 beats per minute is in the cardio zone.

    • Worked-Out Solution

      From the graph, you can see that a 25-year-old with a heart rate of 160 beats per minute is in the cardio zone.

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     __   _      ___    __    __     ___     _____    
| || | ||   / _ \\  \ \\ / //   / _ \\  |  __ \\  
| '--' ||  / //\ \\  \ \/ //   | / \ || | |  \ || 
| .--. || |  ___  ||  \  //    | \_/ || | |__/ || 
|_|| |_|| |_||  |_||   \//      \___//  |_____//  
`-`  `-`  `-`   `-`     `       `---`    -----`
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  • 6. Determining Whether a Person is in the Cardio Zone

    Use the graph to determine whether a 50-year-old with a heart rate of 100 beats per minute is in the cardio zone.

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                _____     _____    _    _     ____    
    ___    |  ___||  /  ___|| | || | ||  |  _ \\  
   /   ||  | ||__   | // __   | || | ||  | |_| || 
  | [] ||  | ||__   | \\_\ || | \\_/ ||  | .  //  
   \__ ||  |_____||  \____//   \____//   |_|\_\\  
    -|_||  `-----`    `---`     `---`    `-` --`  
     `-`
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