3.1. Answer the following questions on cholesterol - NSC Consumer Studies - Question 3 - 2018 - Paper 1
Question 3
3.1. Answer the following questions on cholesterol.
3.1.1 Name TWO types of cholesterol.
3.1.2 Explain the difference between the two types of cholesterol.
3.2 Wr... show full transcript
Worked Solution & Example Answer:3.1. Answer the following questions on cholesterol - NSC Consumer Studies - Question 3 - 2018 - Paper 1
Step 1
3.1.1 Name TWO types of cholesterol.
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Answer
The two types of cholesterol are:
Low-density lipoprotein (LDL)
High-density lipoprotein (HDL)
Step 2
3.1.2 Explain the difference between the two types of cholesterol.
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Low-density lipoprotein (LDL) is often referred to as the 'bad' cholesterol because it can lead to the buildup of fatty deposits in arteries, increasing the risk of heart disease. In contrast, high-density lipoprotein (HDL) is known as 'good' cholesterol, as it helps remove cholesterol from the bloodstream and transports it to the liver for excretion, reducing the risk of coronary artery disease.
Step 3
3.2 Write a paragraph to discuss why genetically modified crops may save the world from starvation in the future.
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Genetically modified (GM) crops have the potential to play a crucial role in combating global starvation. These crops can be engineered to withstand harsh environmental conditions, such as drought, pests, and diseases, thereby increasing food security in vulnerable regions. Additionally, GM crops often have enhanced nutritional profiles, providing essential vitamins and minerals to populations suffering from malnutrition. With higher yields and reduced dependence on chemical pesticides, GM crops can contribute to more sustainable agricultural practices, ensuring a more reliable food supply for the growing global population.
Step 4
3.3.1 Name THREE different types of additives in the dish.
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The three different types of additives in the macaroni cheese and bacon dish are:
Antioxidants
Flavouring
Preservative
Step 5
3.3.2 Give ONE concern about the use of sodium nitrite.
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One significant concern regarding sodium nitrite is that it may be carcinogenic and can cause cancer.
Step 6
3.3.3 Explain the function of sodium nitrite in this dish.
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Sodium nitrite serves to lengthen and prolong the shelf life of the food by preserving it. It prevents spoilage by inhibiting the growth of microorganisms, thereby ensuring food safety and extending usability.
Step 7
3.3.4 Explain why cow's milk, wheat, gluten and egg are separately listed on the label.
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These ingredients are listed separately to inform consumers who may have allergies, as they can cause severe or life-threatening reactions in sensitive individuals.
Step 8
3.3.5 Identify the ingredient that has been treated with short waves to eliminate or reduce the number of pathogenic bacteria and other harmful organisms.
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The ingredient that has been treated with short waves is mustard powder.
Step 9
3.3.6 Suggest TWO guidelines that must be followed by a consumer before eating this dish to prevent the transmission of food-borne diseases.
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Two guidelines to follow are:
Wash hands thoroughly before handling or opening the dish.
Heat the dish to a high enough internal temperature to ensure thorough cooking.
Step 10
3.3.7 Explain why this dish is suitable for the management of osteoporosis.
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This dish is suitable for managing osteoporosis because it contains milk and cheddar cheese, both high in calcium that supports bone health. Additionally, the inclusion of vitamin D from these dairy products promotes calcium absorption, helping to maintain bone density.
Step 11
3.3.8 Suggest a side dish to be served with this dish to make it more suitable for a consumer who has high blood cholesterol levels.
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A suitable side dish would be steamed or grilled vegetables, which provide essential nutrients and fiber without adding excessive fat.
Step 12
3.3.9 Evaluate the suitability of this dish for a consumer who wants to manage obesity.
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This dish is high in energy (kilojoules) and carbohydrates, which may not be suitable for someone trying to lose weight. Furthermore, its high saturated fat content from cheese and bacon could contribute to unwanted caloric intake. Therefore, while it can be enjoyed in moderation, overall, it is not the best option for those managing obesity.
