Antropology ANT1005: Minerals Nutrition and Health Overview
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Questions and Answers

What is the principal cation of the extracellular fluid and the primary regulator of its volume?

Sodium (Na+)

What is the role of sodium (Na+) in muscle contraction?

Assists in muscle contraction

How does sodium (Na+) assist in the absorption of some nutrients such as glucose?

Helps in absorption of nutrients like glucose

What is the function of sodium (Na+) in maintaining acid-base balance?

<p>Helps maintain acid-base balance</p> Signup and view all the answers

What is the chemical composition of salt (sodium chloride)?

<p>40% sodium, 60% chloride</p> Signup and view all the answers

Define cation and anion.

<p>Cation: Ion with positive charge; Anion: Ion with negative charge</p> Signup and view all the answers

What is the main source of sodium in the diet?

<p>Added salt in the form of sodium chloride</p> Signup and view all the answers

What was the daily sodium intake of Singapore residents in 2022?

<p>3,620mg</p> Signup and view all the answers

What percentage of Singapore residents exceeded the daily recommended intake of sodium?

<p>90%</p> Signup and view all the answers

What are the main contributors to salt intake in Singapore residents?

<p>Seasonings, salt, and sauces added during food preparation</p> Signup and view all the answers

What is the recommended maximum sodium intake per day?

<p>50mg</p> Signup and view all the answers

What are the highest food sources of zinc?

<p>Shellfish (especially oysters), meats, poultry, milk, cheese, liver</p> Signup and view all the answers

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