8687844
Description
Flashcards by Alija Shahi, updated more than 1 year ago
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Created by Alija Shahi
over 7 years ago
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| Question | Answer |
| Why should a balanced diet contain: protein, carbohydrates and fats, minerals (limited to iron), vitamins (limited to vitamin C), fibre & water? |
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| Why should teenagers eat a diet high in protein? | Because they're growing quickly and protein will support this by proving raw materials for growth |
| Why are many parts of the world deficient in protein? | 1. Limited money investment into agriculture 2. Too many people for land and resources available (overpopulation) |
| What is used as an energy source when carbohydrates are unavailable? | Proteins |
| What health risks are linked to obesity (being very overweight)? | 1. Arthritis 2. Heart disease 3. Diabetes 4. Breast cancer |
| What are carbohydrates, proteins and fats made up of? | Carbohydrates are made up of simple sugars such as glucose, proteins are made up of amino acids and fats are made up of fatty acids and glycerol |
| How will a balanced diet vary depending on age, gender, activity, religion, personal choice and medical issues? | 1. Age: Teenagers need more protein as they're growing quickly. 2. Gender: Women need more iron to replace lost haemoglobin in menstrual blood and need more protein for lactation (producing breast milk) and development of the baby during pregnancy. 3. More active people need more carbohydrates for energy and protein for and repair of cells. 4. Religion: Hindus don't eat beef, because they believe cows are sacred 5. Personal choices: People choose to become vegetarians or vegans for a vast number of reasons, they might dislike the texture of meat, or they might think it's trendy and healthier. 6. Medical issues: Some people are intolerant to certain types of food, which may result in reactions such as feeling ill or bloated. This is because they cannot make thr enzyme needed to digest the food properly. |
| Why is protein deficiency (kwashiorkor) common in developing countries? | 1. Overpopulation - too many people to feed with the land and resources available 2. Limited money investment in agricultural techniques - farming techniques are not good enough to produce protein-rich food |
| How do you calculate the Estimated Average Requirement (EAR) for protein? | EAR (g) = 0.6 × Body mass (kg) |
| How do you calculate Body Mass Index (BMI)? | BMI = Mass (kg) ÷ (height in m)² |
| How can low self-esteem, poor self-image and desire for perfection can lead to a poor diet and the increased risks involved? | Low self-esteem, poor self-image and desire for perfection (caused by anorexia nervosa (self-starvation) and bulimia nervosa (binge eating followed by self-induced vomiting) can lead to a poor diet by undereating. This can lead to organ failure, muscle wastage, undernutrition, poor blood circulation etc. |
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