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Questions and Answers
What are the potential health consequences of persistently consuming more calories than the body expends?
What are the potential health consequences of persistently consuming more calories than the body expends?
- Enhanced digestion
- Improved immune function
- Increased risk of obesity (correct)
- Decreased muscle mass
What happens to the body's stored reserves when the daily caloric intake is lower than the expenditure?
What happens to the body's stored reserves when the daily caloric intake is lower than the expenditure?
- They are replenished through increased water intake
- They are used as a source of energy (correct)
- They are expelled through the digestive system
- They are converted into carbohydrates for immediate energy
What is the approximate daily caloric need for a 70 kg adult?
What is the approximate daily caloric need for a 70 kg adult?
- 4000-4500 kcal
- 3000-3500 kcal
- 2000-2400 kcal (correct)
- 1000-1500 kcal
Which of the following factors can influence the percentage of macronutrients needed in a daily diet?
Which of the following factors can influence the percentage of macronutrients needed in a daily diet?
What is the main reason why the body stores excess calories as fat?
What is the main reason why the body stores excess calories as fat?
Flashcards
Daily caloric needs
Daily caloric needs
The amount of calories a 70 kg adult needs, approximately 2400-2000 kcal per day.
Macronutrient proportions
Macronutrient proportions
Recommended percentage intake: Carbs 60-40%, Fats 30-40%, Proteins 15-10%.
Metabolic reserves
Metabolic reserves
The body stores carbohydrates as glycogen and fats in the liver and muscles.
Consequences of excess intake
Consequences of excess intake
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Consequences of low intake
Consequences of low intake
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Study Notes
Metabolic Integration and Blood Sugar Regulation
- The human body manages thousands of chemical reactions to meet each cell's energy needs, adapting to various conditions like fasting, stress, obesity, and metabolic diseases like diabetes.
- An average adult (70 kg) needs 2400-2000 calories daily.
- This requirement is met by carbohydrates (40-60%), fats (30-40%), and proteins (10-15%).
- These proportions vary based on the individual's dietary habits, fasting state, and physical activity level.
- The body stores excess carbohydrates (glycogen in the liver and muscles, and fats in adipose tissue) for use between meals.
- Excess energy intake leads to fat storage and potential health issues like obesity.
- Insufficient energy intake leads to reduced glycogen and fat stores, relying on proteins for energy, causing weakness, wasting, and potentially death.
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