Macrominerals & Microminerals

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Questions and Answers

What distinguishes minerals from other nutrients?

  • They are produced by the body.
  • They are organic substances.
  • They are only needed in large quantities.
  • They are naturally occurring and inorganic. (correct)

Which bodily process is NOT directly supported by minerals?

  • Building bones
  • Transmitting nerve impulses
  • Producing hormones (correct)
  • Supporting muscle function

What is the primary difference between macrominerals and microminerals?

  • Macrominerals are only found in plant-based foods.
  • Microminerals are only essential for children.
  • Macrominerals are organic, while microminerals are inorganic.
  • Macrominerals are needed in larger amounts than microminerals. (correct)

Which mineral is crucial for maintaining strong bones and teeth?

<p>Calcium (D)</p> Signup and view all the answers

Besides bone health, what additional function does calcium serve in the body?

<p>Blood clotting (B)</p> Signup and view all the answers

What is the recommended daily intake of calcium for teenagers?

<p>1,300 mg (B)</p> Signup and view all the answers

Which mineral works in conjunction with calcium to strengthen bones?

<p>Phosphorus (B)</p> Signup and view all the answers

What is the primary role of phosphorus beyond building strong bones and teeth?

<p>Storing and using energy (A)</p> Signup and view all the answers

What is the recommended daily intake of phosphorus for teenagers?

<p>1,250 mg (B)</p> Signup and view all the answers

Which mineral supports both muscle and nerve function?

<p>Magnesium (C)</p> Signup and view all the answers

Besides nerve and muscle function, what other critical role does magnesium play in the body?

<p>Regulating blood sugar levels (A)</p> Signup and view all the answers

What is the recommended daily intake of magnesium for teenagers?

<p>240 mg (B)</p> Signup and view all the answers

Which mineral is essential for maintaining fluid balance in the body?

<p>Sodium (D)</p> Signup and view all the answers

What is a potential health risk associated with excessive sodium intake?

<p>High blood pressure (B)</p> Signup and view all the answers

Which mineral is vital for maintaining blood pressure and also helps in muscle function?

<p>Potassium (D)</p> Signup and view all the answers

What is the crucial function of iron in the human body?

<p>Producing hemoglobin (D)</p> Signup and view all the answers

Which daily iron intake is generally recommended for teenage girls?

<p>15 mg (A)</p> Signup and view all the answers

What is the main role of zinc in the body?

<p>Supporting immune function (A)</p> Signup and view all the answers

Which of the following is NOT supported by zinc?

<p>Energy production (A)</p> Signup and view all the answers

What does 'Recommended Energy Nutrients Intake' (RENI) represent?

<p>The amount of energy and nutrients needed to stay healthy (B)</p> Signup and view all the answers

What factors influence the Recommended Energy Nutrients Intake (RENI)?

<p>Age, gender, and activity level (C)</p> Signup and view all the answers

According to the food guide pyramid, what proportion of your diet should be carbohydrates?

<p>45-65% (B)</p> Signup and view all the answers

According to the food guide pyramid, what proportion of your diet should be fats?

<p>20-35% (D)</p> Signup and view all the answers

What does the food guide pyramid primarily help individuals understand?

<p>How to balance food choices for a healthy diet (D)</p> Signup and view all the answers

According to the eating plan for healthy living, how often should you vary the selection of foods you eat?

<p>Everyday (C)</p> Signup and view all the answers

Aside from eating a variety of foods for a healthy living, what salt should be used?

<p>Iodized salt (C)</p> Signup and view all the answers

Which of these is a micromineral?

<p>Iron (B)</p> Signup and view all the answers

What is the recommended amount of sodium intake per day?

<p>1,500 mg (D)</p> Signup and view all the answers

Which of the following is NOT a source of calcium?

<p>Meat (B)</p> Signup and view all the answers

Why is physical exercise important?

<p>To maintain a healthy lifestyle (B)</p> Signup and view all the answers

According to the Food Guide Pyramid, which food group should form the base of your diet, emphasizing larger servings?

<p>Grains (Rice, Bread, Noodles) (B)</p> Signup and view all the answers

Considering the functions of macrominerals and microminerals, if a person consistently avoids dairy products and green leafy vegetables, which macromineral deficiency are they most at risk of developing?

<p>Calcium deficiency, resulting in weakened bones and increased risk of fractures. (A)</p> Signup and view all the answers

A teenager is considering adopting a vegan diet. To ensure they meet their Recommended Energy and Nutrients Intake (RENI) for both iron and zinc, which dietary strategy would be MOST effective, considering the bioavailability of these minerals from plant-based sources?

<p>Including a variety of legumes, nuts, seeds, and whole grains, alongside foods high in vitamin C to enhance iron absorption, and considering a zinc supplement if dietary intake is insufficient. (B)</p> Signup and view all the answers

A nutritionist encounters a patient who reports consuming the recommended amounts of macrominerals, yet still exhibits symptoms of deficiencies. The nutritionist suspects a malabsorption issue. Which of the following conditions would MOST likely impair the absorption of multiple macrominerals simultaneously, rather than affecting a specific mineral?

<p>Celiac disease damaging the small intestine's absorptive surface (A)</p> Signup and view all the answers

A health-conscious individual mentions they are prioritizing whole grains, nuts, seeds, and legumes in their diet. Which mineral is this individual MOST likely ensuring they are adequately obtaining?

<p>Zinc (B)</p> Signup and view all the answers

The function of sodium includes what?

<p>Fluid balance and essential nerve and muscle function (A)</p> Signup and view all the answers

Considering a modern diet high in processed foods, what is a common concern related to mineral intake?

<p>Low potassium intake (A)</p> Signup and view all the answers

Why are minerals essential to the proper functioning of the body?

<p>Because they help in a variety of processes (B)</p> Signup and view all the answers

Flashcards

Minerals

Naturally occurring, inorganic substances essential for proper body function. They aid in bone building, nerve impulse transmission, and muscle support.

Macrominerals

Minerals needed by the body in larger amounts.

Microminerals (Trace Minerals)

Minerals needed by the body in smaller amounts, still essential.

Calcium

Helps build and maintain strong bones and teeth; important for muscle function, nerve transmission, and blood clotting.

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Phosphorus

Works with calcium to build strong bones and teeth; helps the body store and use energy.

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Magnesium

Supports muscle and nerve function, regulates blood sugar levels, and helps in the production of protein, bone development, and DNA.

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Sodium

Helps maintain fluid balance in the body, essential for nerve and muscle function.

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Potassium

Helps with muscle function, nerve signals, and maintaining fluid balance; helps control blood pressure.

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Iron

Essential for the production of hemoglobin, which carries oxygen in the blood.

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Zinc

Important for immune function, wound healing, and DNA synthesis.

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Recommended Energy Nutrients Intake (RENI)

The amount of energy and nutrients your body needs to stay healthy, grow, and function properly; based on age, gender, and activity level.

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Food Guide Pyramid

A tool that divides foods into categories and recommends how much of each type to eat for a healthy diet.

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Study Notes

  • Minerals are naturally occurring, inorganic substances essential for proper body function.
  • Minerals aid in bone building, nerve impulse transmission, and muscle function.
  • The two main groups of minerals are macrominerals and microminerals.

Types of Minerals

  • Minerals are categorized by how much the body requires.
  • Macrominerals are needed in larger amounts.
  • Microminerals (trace minerals) are needed in smaller amounts but remain essential.

Calcium

  • Supports building and maintaining strong bones and teeth.
  • Calcium is important for muscle function, nerve transmission, and blood clotting.
  • Sources include milk, cheese, yogurt, leafy green vegetables, and fortified foods.
  • The recommended daily amount for teenagers is 1,300 mg.

Phosphorus

  • Works with calcium to build strong bones and teeth.
  • Aids the body in storing and using energy.
  • Sources include meat, poultry, fish, eggs, dairy products, nuts, and seeds.
  • The recommended daily amount for teenagers is 1,250 mg.

Magnesium

  • Supports muscle and nerve function and regulates blood sugar levels.
  • Aids in protein production, bone development, and DNA.
  • Sources include whole grains, nuts, seeds, legumes, and leafy green vegetables.
  • The recommended daily amount for teenagers is 240 mg.

Sodium

  • Helps maintain fluid balance in the body and is essential for nerve and muscle function.
  • Sources include salt, processed foods, canned soups, and snacks.
  • The recommended daily amount is 1,500 mg per day, but excessive consumption should be avoided to prevent high blood pressure.

Potassium

  • Aids in muscle function, nerve signals, and maintaining fluid balance.
  • Helps control blood pressure.
  • Sources include bananas, potatoes, spinach, beans, and tomatoes.
  • The recommended daily amount for teenagers is 2,300 mg.

Iron

  • Facilitates the production of hemoglobin, which carries oxygen in the blood.
  • Sources include red meat, poultry, beans, lentils, spinach, and fortified cereals.
  • The recommended daily amount is 11 mg for boys and 15 mg for girls.

Zinc

  • Supports immune function, wound healing, and DNA synthesis.
  • Sources include meat, shellfish, dairy, beans, nuts, and whole grains.
  • The recommended daily amount is 8 mg for boys and 9 mg for girls.
  • Is the amount of energy and nutrients needed to stay healthy, grow, and function properly.
  • Recommendations are based on age, gender, and activity level.

Food Guide Pyramid

  • Is a tool for understanding balanced food choices.
  • It divides foods into categories and recommends how much of each type should be consumed for a healthy diet.

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