Quest Health Library .com - Health Conditions, Vitamins, Minerals, Supplements, Herbs and more.

Quest Vitamins LTD,
8 Venture Way,
Aston Science Park,
Birmingham,
B7 4AP.

Tel: 0121 359 0056
Fax: 0121 359 0313
Email: info@questvitamins.co.uk
Registered in England No. 2530437

Quest Health Library - Test Your Knowledge

CALCIUM, MAGNESIUM AND VITAMIN D

For information, please refer to the 'Minerals and vitamin D' sections on the Quest Health Library.

Q1. Are the following statements true or false of calcium? (8 marks)
1) The main sources of calcium in the diet are dairy products and leafy, green vegetables	True False
2) Calcium absorption requires a hormone produced from vitamin D	True False
3) Calcium levels in the body are governed by the calcium in the bones	True False
4) The consumption of refined foods will not affect the levels of calcium in the body	True False
5) Calcium is involved in blood clotting and blood pressure	True False
6) The National Osteoporosis Society recommends 1000mg calcium for post menopausal women	True False
7) Calcium should be avoided by those with chronic renal impairment	True False
8) Calcium, together with magnesium are involved in nerve health	True False

Q2. Are the following true or false of magnesium? (6 marks)
a) Involved in the release of energy from food	True False
b) Prevents scurvy	True False
c) Necessary for RNA synthesis and replication of DNA	True False
d) Important in the functioning of nerves and muscles	True False
e) Involved in the production of superoxide dismutase	True False
f) The presence of magnesium is necessary for the absorption of calcium	True False

Q3. Which of the following are true (or false) of vitamin D? (5 marks)
a) Vitamin D is synthesised through a reaction of sunlight on cholesterol in the skin	True False
b) Vitamin D is produced in the liver	True False
c) Deficiency of vitamin D may cause rickets in children	True False
d) Vitamin D hormone increases the excretion of phosphorus, not calcium from the kidney	True False
e) Vitamin D is found mostly in animal and dairy products	True False

Q4. The following are times in life when extra calcium is particularly important - true or false? (7 marks)
a) During teenage years for bone and teeth development	True False
b) A person with no history of osteoporosis and a diet rich in calcium containing foods	True False
c) When a person celebrates their fortieth birthday	True False
d) During pregnancy and while a mother is breastfeeding, to maintain her own health and that of the baby	True False
e) When there is a history of osteoporosis in the family	True False
f) People on low-fat diets - as they may have an impaired ability to absorb calcium	True False
g) When an elderly person has osteomalacia	True False

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