Nutrition Calculations Quiz

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Questions and Answers

What is the Body Mass Index (BMI) range considered ideal for good health?

  • 30 to 35
  • 18.5 to 25 (correct)
  • 25 to 30
  • 15 to 18.5

How does the BMI correlate with body fat?

  • It negatively correlates with body fat.
  • It only correlates with lean body mass.
  • It shows no correlation.
  • It correlates highly with the percentage of body fat. (correct)

What factor is necessary to determine daily calorie needs, in addition to weight and height?

  • Dietary preferences
  • Geographical location
  • Gender, age, and activity (correct)
  • Genetic factors

What is the serving size for vegetables in a balanced diet according to the standards provided?

<p>1½ cup or 120 mL (C)</p> Signup and view all the answers

What portion will be considered morbidly obese in terms of BMI?

<p>Over 40 (C)</p> Signup and view all the answers

How are servings from each food group calculated for a balanced diet?

<p>By converting calorie goals using a calculator. (A)</p> Signup and view all the answers

What is the serving size for dairy products according to the guidelines?

<p>1 cup or 240 mL (C)</p> Signup and view all the answers

What is classified as severe malnutrition in terms of BMI?

<p>17.5 and lower (D)</p> Signup and view all the answers

Flashcards

What is BMI?

A measure of body fat based on weight and height, indicating health risks.

What is a healthy BMI range?

A healthy BMI range is between 18.5 and 25, with slight variations based on age.

What factors influence daily calorie needs?

The number of calories needed daily to maintain current weight varies based on factors like gender, age, and activity level.

What is a balanced diet?

A balanced diet includes servings from each food group every day, contributing to overall health and well-being.

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How are food group servings determined for a balanced diet?

Serving sizes in a balanced diet depend on the chosen calorie intake and are calculated using a specific formula.

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Name the main food groups in a balanced diet.

Grain, vegetables, fruits, dairy, meat & beans, vegetable oil, and extra calories are the main food groups, each with specific serving sizes.

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What is an activity factor?

A factor used to adjust daily calorie needs based on a person's level of physical activity, including walking and exercise.

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How is the activity factor determined?

The activity factor is determined by the number of minutes spent walking or exercising each day, and it is used to adjust the calorie needs.

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Study Notes

Nutrition Calculations

  • Body Mass Index (BMI) is a measure of weight and height, used to estimate total body mass and correlate with body fat percentage.
  • Ideal body weight is the weight a person with good health and long lifespan is expected to have for a given height.
  • BMI is a simpler, more acceptable measure than ideal body weight.
  • WHO provides ideal weight ranges for different heights.
  • BMI values help categorize people as normal (ideal), undernourished, overweight, or obese.
  • BMI is calculated using weight in kg and height in meters.
  • A higher BMI number indicates more body fat, while a lower number indicates less body fat.
  • A healthy BMI range is generally between 18.5 and 25.
  • Up to 28 is acceptable for those over 50.
  • Obesity is categorized as 30-40, and morbid obesity is over 40.
  • Severe malnutrition is 17.5 and lower.

Daily Calorie Needs

  • Daily calorie needs depend on weight, height, gender, age, and activity level.
  • Activity level is estimated by the number of minutes spent exercising daily, including walking.

Determining Servings per Food Group

  • A balanced diet includes servings from each food group.
  • A calculator can be used to determine the number of servings needed from each food group based on daily calorie goals.
  • Calorie goals between 1000 and 9800 can be used in the calculator.
  • The number of calories entered is rounded to the nearest 200.

Serving Size Examples

  • Grains: 1 slice of bread, ½ cup cooked rice.
  • Vegetables: Tennis ball-sized serving.
  • Fruits: Tennis ball-sized serving or medium-sized piece, ½ cup juice.
  • Dairy: 1 cup low-fat milk/yogurt, 2 dominoes-sized cheese pieces.
  • Meat & Beans: Card deck-sized piece of lean meat, ½ cup beans.
  • Vegetable oil: 1 tablespoon.
  • Extra calories: Small piece of cake, ½ candy bar, 2 golf ball-sized scoops of ice cream.

Activity Factor

  • Activity levels (sedentary, <30 minutes, 30-60 minutes, >60 minutes) determine activity factors (PA).
  • Activity factors are used to adjust daily calorie needs.
  • Separate factors exist for men and women, and boys and girls (ages 3-18).

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