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Questions and Answers
What is the estimated average requirement (EAR) based on?
What is the estimated average requirement (EAR) based on?
- The 75th percentile of the distribution
- The median of the distribution (correct)
- The 97.5th percentile of the distribution
- The mean of the distribution
What is the 97.5th percentile of the distribution called?
What is the 97.5th percentile of the distribution called?
- Recommended Daily Allowance (RDA) (correct)
- Estimated Average Requirement (EAR)
- Mean of the distribution
- 25th percentile of the distribution
What is an important aspect to consider for staying fit and healthy during adulthood?
What is an important aspect to consider for staying fit and healthy during adulthood?
- Consuming a limited variety of foods
- Taking into account the extra demands placed on the body (correct)
- Maintaining body weight by any means necessary
- Ignoring the extra demands placed on the body
What are Recommended Dietary Allowances (RDAs) based on?
What are Recommended Dietary Allowances (RDAs) based on?
When does adulthood begin according to the text?
When does adulthood begin according to the text?
What should one do to meet the body’s regular nutritional needs?
What should one do to meet the body’s regular nutritional needs?
What is the preferred source of energy mentioned in the passage?
What is the preferred source of energy mentioned in the passage?
Why do women have higher iron requirements compared to men?
Why do women have higher iron requirements compared to men?
What are the Dietary Reference Intakes (DRIs) used for?
What are the Dietary Reference Intakes (DRIs) used for?
What age marks the completion of growth and attainment of maturity according to the passage?
What age marks the completion of growth and attainment of maturity according to the passage?
What is the primary focus of a varied diet according to the passage?
What is the primary focus of a varied diet according to the passage?
Why do adults need fewer calories as they age?
Why do adults need fewer calories as they age?
What do Recommended Dietary Allowances (RDAs) estimate?
What do Recommended Dietary Allowances (RDAs) estimate?
What is Tolerable Upper Intake Level (UL) used to establish?
What is Tolerable Upper Intake Level (UL) used to establish?
What is the focus of dietary selection when meeting nutritional needs within a limited budget?
What is the focus of dietary selection when meeting nutritional needs within a limited budget?
At what age does the human body reach maximum cardiac output according to the passage?
At what age does the human body reach maximum cardiac output according to the passage?
At what age is growth completed and people reach their physical peak according to the passage?
At what age is growth completed and people reach their physical peak according to the passage?
What reaches its maximum level between ages twenty and thirty according to the passage?
What reaches its maximum level between ages twenty and thirty according to the passage?
What aspect of physical activity does the passage mention as being improved during adulthood?
What aspect of physical activity does the passage mention as being improved during adulthood?
At which age do major organs and body systems fully mature according to the passage?
At which age do major organs and body systems fully mature according to the passage?
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Study Notes
Nutritional Needs and Adulthood
- Estimated Average Requirement (EAR) is based on the nutrient intake that meets the nutrient need of 50% of the population.
- The 97.5th percentile of the distribution is called the Tolerable Upper Intake Level (UL).
- An important aspect to consider for staying fit and healthy during adulthood is to maintain a varied diet.
- Recommended Dietary Allowances (RDAs) are based on the Estimated Average Requirement (EAR) plus two standard deviations.
- Adulthood begins at around 18-20 years of age.
Nutrient Requirements
- Women have higher iron requirements compared to men due to menstruation.
- Dietary Reference Intakes (DRIs) are used to establish the daily nutrient intake levels of essential nutrients.
Nutrition and Aging
- Adults need fewer calories as they age due to decreased physical activity and basal metabolic rate.
- Recommended Dietary Allowances (RDAs) estimate the daily nutrient intake level that meets the nutrient need of 97.5% of the population.
Physical Development and Activity
- Maximum cardiac output is reached at around 20-30 years of age.
- Growth is completed, and people reach their physical peak between 18-25 years of age.
- Muscular strength and endurance reach their maximum level between ages twenty and thirty.
- Improved cardiovascular endurance is an aspect of physical activity that is improved during adulthood.
- Major organs and body systems fully mature at around 25 years of age.
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