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Questions and Answers
What is the definition of nutritional status?
What is the definition of nutritional status?
- The classification of nutrients into energy-yielding and protective.
- The amount of nutrients needed for healthy living.
- The study of food and its effect on health.
- The state of the body as a result of food consumed. (correct)
Which of the following is classified as protective nutrients?
Which of the following is classified as protective nutrients?
- Vitamins (correct)
- Carbohydrates
- Fat
- Proteins
What is the main focus of dietetics?
What is the main focus of dietetics?
- The organic compounds found in food.
- Classification of body-building nutrients.
- Practical application of nutrition principles. (correct)
- The role of carbohydrates in energy production.
Which nutrient classification includes proteins?
Which nutrient classification includes proteins?
What does a balanced diet involve?
What does a balanced diet involve?
What does the term 'nutrition' derive from?
What does the term 'nutrition' derive from?
What does nutritional imbalance refer to?
What does nutritional imbalance refer to?
What percentage of daily calorie intake is recommended from fats?
What percentage of daily calorie intake is recommended from fats?
Which of these is NOT a function of food?
Which of these is NOT a function of food?
Which of the following is classified as a macronutrient?
Which of the following is classified as a macronutrient?
What is the calorific value of fats per gram?
What is the calorific value of fats per gram?
Which factor is NOT listed as affecting nutrition and meal planning?
Which factor is NOT listed as affecting nutrition and meal planning?
What is defined as the amount of heat required to raise the temperature of one gram of water by one degree Celsius?
What is defined as the amount of heat required to raise the temperature of one gram of water by one degree Celsius?
What type of malnutrition results from excessive intake of nutrients?
What type of malnutrition results from excessive intake of nutrients?
Which of the following is classified as a micronutrient?
Which of the following is classified as a micronutrient?
Which process is integral for maintaining life through physical and chemical changes in an organism?
Which process is integral for maintaining life through physical and chemical changes in an organism?
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Study Notes
Nutritional Status
- Represents the body's condition based on food consumption.
Nutritional Requirements
- Refers to the quantity of nutrients necessary for sustaining a healthy life.
Nutrition
- The scientific exploration of food and its impact on health.
Nutritionist
- A professional who provides guidance on various aspects of nutrition.
Imbalance
- A pathological condition arising from nutrient disproportion.
Food Definition
- Any substance that supplies energy, supports physical growth, and aids in tissue repair.
Food Components
- Organic compounds include proteins, lipids, carbohydrates, and vitamins.
- Inorganic elements comprise water and minerals.
Functions of Foods
- Promote physical growth and development.
- Generate energy.
- Enhance materials for bodily functions.
- Protect against diseases.
Dietetics
- The application of nutritional principles in health and disease.
Balanced Diet
- Involves selecting appropriate food components in correct proportions to support good health and disease prevention.
Nutrients Classification
- Energy Yielding: Carbohydrates and fats.
- Body Building: Proteins.
- Protective: Vitamins and minerals.
Macronutrients
- Includes proteins, fats, and carbohydrates.
- Required in grams per day for growth, metabolism, and energy; accounts for 20-30% fats, 30% protein, and 40-50% carbohydrates.
Micronutrients
- Comprises vitamins and minerals, needed in milligrams/ug per day.
- Essential for health maintenance and detoxification; do not provide calories.
Calorie Definition
- Amount of heat needed to raise the temperature of 1 gram of water by 1°C.
Caloric Measurement
- Food energy is measured in kilocalories (kcal).
- Conversion: 1000 calories = 1 kcal; 1 kcal = 4.184 kilojoules (kJ).
Caloric Values per Gram
- Carbohydrates: 4 calories.
- Fats: 9 calories.
- Protein: 4 calories.
Metabolism
- Originates from "metabolismos," meaning to change; encompasses all vital processes in living cells required for life maintenance.
Malnutrition
- Results from an unbalanced diet or insufficient food intake.
Types of Malnutrition
- Overnutrition: Excess nutrient intake (hyperalimentation).
- Undernutrition: Nutrient deficiency due to inadequate intake or poor nutrient absorption.
Factors Affecting Nutrition and Meal Planning
- Age: Children require more nutrients than adults due to growth needs.
- Sex: Nutritional needs vary between men and women, affecting balanced diet requirements.
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