CCEA A-Level Health and Social Care 0003
Promoting Quality Care
Communication in Health, Social Care and Early Years Settings
Health and Well-Being
Safeguarding Children
Adult Service Users
Holistic Therapies
Understanding the Physiology of Health and Illness
Applied Research
Body Systems and Physiological Disorders
Providing Services
Public Health and Health Promotion
Supporting the Family
Understanding Human Behaviour
Human Nutrition and Health
Human Nutrition and Health
Minerals, water and dietary fibre
- 3 things to know
- A2 7
Overview
Three functions of calcium in the body, four dietary sources of calcium and function of fluorine in the diet.
What you need to know
Answer each one before you reveal it.
State three functions of calcium in the body.
Name four dietary sources of calcium.
Questions from this subtopic
Each one with the model answer underneath.
- 1
State three functions of calcium in the body.
Model answer
Calcium gives strength to bones and teeth, is needed for muscle contraction and nerve transmission, and takes part in the clotting of blood.
- 2
Name four dietary sources of calcium.
Model answer
Milk, cheese and yoghurt, tinned fish eaten with the bones, dark green leafy vegetables and calcium-fortified plant milks all supply calcium.
- 3
Which vitamin must be present for calcium to be absorbed properly?
Model answer
Vitamin D must be present for calcium to be absorbed properly from the gut.
- 4
What is osteoporosis, and which dietary factors are linked to it?
Model answer
Osteoporosis is a condition in which bone density falls and bones fracture easily, and low lifelong calcium and vitamin D intake, low body weight and heavy alcohol use are among the factors linked to it.
- 5
State the function of fluorine in the diet.
Model answer
Fluorine, supplied in the diet as fluoride, is incorporated into tooth enamel and makes it more resistant to the acid attack that causes decay.
- 6
Name three sources of fluoride.
Model answer
Drinking water in areas where supplies are fluoridated, tea, and fish eaten with the bones supply fluoride, and fluoride toothpaste supplies it to the tooth surface directly.
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