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Questions and Answers
What is the most abundant mineral in the body?
What is the most abundant mineral in the body?
- Zinc
- Iron
- Manganese
- Calcium (correct)
In which component of the body is 99% of calcium found?
In which component of the body is 99% of calcium found?
- RBC
- Muscles
- Liver
- Bone (correct)
Which type of mineral has a daily requirement of less than 100mg?
Which type of mineral has a daily requirement of less than 100mg?
- Magnesium
- Phosphorus
- Iron (correct)
- Calcium
What is the normal serum level of calcium?
What is the normal serum level of calcium?
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Which mineral is devoid of calcium in RBC?
Which mineral is devoid of calcium in RBC?
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Study Notes
Minerals and their Classification
- Minerals are essential for normal growth and development.
- Macrominerals are required in amounts of 100mg or more per day.
- Examples of macrominerals include calcium, phosphorus, and magnesium.
Microminerals (Trace Elements)
- Microminerals are required in amounts of less than 100mg per day.
- Examples of microminerals include iron, zinc, cobalt, and manganese.
Calcium Metabolism
- Calcium is the most abundant mineral in the body, making up 2% of body weight.
- 99% of the body's calcium is found in bones, where it forms the mineral hydroxyapatite with phosphates.
- Red blood cells (RBC) do not contain calcium.
- The normal serum level of calcium is between 9-11 mg/dl.
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