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Transcript
Exam style Questions
• Identify two nutrients found in oily fish.
• Give one function of each
• PROTEIN- growth and repair, maintenance of body cells
• VITAMIN A- help see in dim light/ normal growth in children,
maintenance of healthy skin, keep mucous membranes healthy
• VITAMIN D- proper formation of bones and teeth, promote quicker
healing of bone fractures, required for absorption of calcium and
phosphorus
• State two functions of dietary fibre.
• Helps to remove toxic or harmful waste products from the body
• Helps prevent bowel disorders such as constipation, diverticular
disease and bowel cancer
• Absorbs water to help bulk out the faeces, which helps move it
through he body
• Gives a feeling of fullness, to help prevent overeating and obesity
• May help to lower LDL cholesterol and so reduce risk of heart disease
• Explain the inter-relationship between calcium and vitamin D.
• Vitamin D works with calcium to aid absorption and form strong
bones and teeth
• Without Vitamin D, the body cannot make use of calcium in food
• Without Vitamin D less calcium will be absorbed and this will affect
the strength of bones and teeth
• Describe one way to help prevent the loss of vitamin C from
vegetables during each of the following stages:
• A) Storage
B) Preparation
C) Cooking
Storage
• Store in a cool dark place away from light
• Store in a salad drawer of a refrigerator
• Store for as short a time as possible
Preparation
• Do not peel/peel very thinly
• Prepare just before needed
• Do not soak in water
• Use sharp knife
• Do not chop into small pieces/ use as large pieces as possible
Cooking
• Cook vegetables for as short a time as possible
• Cook in as little water as possible
• Cook with lid on/ in a covered steamer
• Steam/microwave
• Use vegetable water for soups/sauces (recycle vitamin C)
• Don not keep warm/reheat
• State two functions of salt in the diet and give two practical ways to reduce
salt in the diet.
• Functions:
• essential for maintaining the correct fluid balance in the body
• Required for correct muscle and nerve activity
• Prevents muscle cramps
• Two practical ways:
• Limit intake of salty snacks/ limit intake of processed foods
• taste food before adding salt
• Use herbs/spices to add flavour
• Read labels, choose lower salt products