Deficiency of which of the following minerals minerals is associated with retarded growth and sexual development in children?

Which of the following is a major binding protein for zinc?

All of the following characteristics are shared by iron and zinc except

What is the average lifespan of red blood cells?

The most common tests to diagnose iron deficiency include all of the following measures EXCEPT

What is the greatest single source of sodium in the diet?

All of the following dietary substances are known to adversely affect calcium balance EXCEPT

Which of the following is found in the first stage of iron deficiency?

All of the following factors are known to reduce   the absorption of iron EXCEPT

What is the cause of most electrolyte imbalances?