Minerals：练习题

Which of the following minerals works in close balance with sodium to maintain osmotic pressure, cell volume, and normal resting heart muscle contraction?

Which of the following minerals is a primary extracellular electrolyte essential for fluid balance, whose excessive intake is strongly linked to elevated blood pressure?

Which of the following minerals is primarily required for the formation and maintenance of strong bones and teeth?

In addition to working with calcium to maintain strong bones and teeth, which of the following is a vital physiological function of the mineral phosphorus?

Which of the following minerals works closely with calcium to form calcium phosphate, which provides structural rigidity to bones and teeth?

(a) State one physiological function of potassium in the human body.
(b) Name two rich dietary sources of potassium.

State two main physiological functions of sodium chloride (salt) in the human body, and identify one processed food item that is typically high in added salt.

A teenager frequently experiences muscle cramps and has been diagnosed with low bone density. Considering the synergistic relationship between minerals, explain how an inadequate intake of phosphorus might specifically impair the physiological function of calcium in his body.

(a) Identify two rich dietary sources of the mineral calcium.
(b) Name one other mineral that works together with calcium in the formation and maintenance of strong bones and teeth.
(c) State one health condition caused by a long-term deficiency of calcium in the diet.