Minerals Quiz

What is the main role of calcium in the body?

Answer explanation

Calcium's main role in the body is to build and maintain strong bones and teeth. It also plays a crucial role in muscle function, nerve signaling, and blood clotting.

Which mineral is essential for oxygen transport in blood?

Answer explanation

Iron is the essential mineral for oxygen transport in blood, as it is a key component of hemoglobin, the protein in red blood cells that binds to oxygen and carries it throughout the body.

Which mineral is critical for thyroid hormone synthesis?

Answer explanation

Iodine is critical for thyroid hormone synthesis, as it is a key component of the hormones thyroxine (T4) and triiodothyronine (T3). Without sufficient iodine, the thyroid cannot produce these essential hormones.

Which mineral helps with wound healing and immunity?

Answer explanation

Zinc is the mineral that plays a crucial role in wound healing and supports the immune system. It helps in cell division and the production of immune cells, making it essential for recovery and defense against infections.

Which mineral prevents dental caries?

Answer explanation

Fluoride is the mineral that prevents dental caries by strengthening tooth enamel and making it more resistant to acid attacks from bacteria in the mouth.

What does sodium help regulate?

Answer explanation

Sodium helps regulate fluid balance in the body, maintaining proper hydration and blood pressure levels. It plays a crucial role in nerve function and muscle contraction as well.

What is the main intracellular cation?

Answer explanation

The main intracellular cation is potassium (K+). It plays a crucial role in maintaining cell membrane potential and is vital for various cellular functions.

Magnesium is a cofactor for how many reactions approximately?

Answer explanation

Magnesium is a cofactor for approximately 300 enzymatic reactions in the body, playing a crucial role in various biochemical processes, including energy production and protein synthesis.

Which mineral is part of ATP and nucleic acids?

Answer explanation

The mineral that is part of ATP (adenosine triphosphate) and nucleic acids (DNA and RNA) is phosphorus. It is essential for energy transfer and genetic material structure.

What is the role of chloride in the stomach?

Answer explanation

Chloride plays a crucial role in the stomach by forming hydrochloric acid (HCl), which is essential for digestion and helps maintain the acidic environment necessary for enzyme activity and killing harmful bacteria.