Minerals in food.

Which of the following minerals are commonly found in bananas?

• Zinc

• Iron

• Potassium

• Magnesium

Answer explanation

Potassium is classified as a macromineral. Zinc, Iron, and Magnesium are classified as trace minerals.

What is the main function of calcium in the body?

• Supporting bone health

• Regulating muscle contractions

• Aiding nerve function

• Assisting blood clotting

Answer explanation

Calcium plays a crucial role in muscle contraction, making it the main function of calcium in the body.

Which mineral is crucial for maintaining healthy bones and teeth?

• Zinc

• Iron

• Calcium

• Potassium

Answer explanation

Zinc is crucial for immune function, wound healing, and DNA synthesis, making it the correct choice among the options provided.

What is the primary dietary source of magnesium?

• Leafy green vegetables

• Red meat

• Bananas

• Dairy products

Answer explanation

The primary dietary source of magnesium is leafy green vegetables, as they are rich in this essential mineral.

Which mineral is involved in maintaining fluid balance, regulating blood pressure, and supporting muscle function?

• Magnesium

• Zinc

• Potassium

• Iron

Answer explanation

Potassium is involved in maintaining fluid balance, regulating blood pressure, and supporting muscle function, making it the correct choice.

What can hinder the absorption of nutrients in the body?

• Vitamin C

• Phytates

• Heme iron

• Dietary fiber

Answer explanation

Phytates can inhibit the absorption of minerals in the body by binding to the minerals and preventing their absorption.

Which mineral is essential for muscle contraction, nerve function, and heart health?

• Iron

• Magnesium

• Zinc

• Calcium

Answer explanation

Magnesium is essential for enzyme activation, energy production, and bone health, making it the correct choice among the options provided.

What are the potential consequences of a zinc deficiency?

• Osteoporosis

• Anemia

• High blood pressure

• Impaired immune function

Answer explanation

A deficiency in zinc can lead to impaired immune function, affecting the body's ability to fight off infections and illnesses.

What is the main difference between freshwater and saltwater fish?

• Amount of salt in the water they live in

• Location where they are found

• Preferred food choices

• Coloration

Answer explanation

The main difference between macrominerals and microminerals is the quantity required. Macrominerals are needed in larger amounts compared to microminerals.

Which mineral is essential for strong bones and teeth?

• Potassium

• Zinc

• Calcium

• Iron

Answer explanation

Iron is the mineral that is a component of hemoglobin and plays a role in energy metabolism.