Multiple Choice
In the category of other trace minerals, which mineral has the smallest adult daily requirement (as an Adequate Intake or estimated need) compared with the others listed?
8. Water and Minerals
Other Trace Minerals
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Which of the following is classified as a trace mineral in human nutrition?
A
Selenium
B
Calcium
C
Potassium
D
Sodium
Verified step by step guidance1
Understand the classification of minerals in human nutrition: minerals are categorized as either major (macrominerals) or trace (microminerals) based on the amount required by the body.
Recall that major minerals are needed in amounts greater than 100 mg per day, while trace minerals are required in much smaller amounts, typically less than 100 mg per day.
Identify the minerals listed in the problem: Selenium, Calcium, Potassium, and Sodium.
Recognize that Calcium, Potassium, and Sodium are major minerals because they are required in larger amounts for functions such as bone health, fluid balance, and nerve transmission.
Understand that Selenium is a trace mineral, essential in small amounts for antioxidant functions and thyroid hormone metabolism, thus classifying it as a trace mineral.
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Other Trace Minerals practice set
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