Which of the following mineral-mineral interactions may lead to impaired absorption of the second mineral when the first mineral is consumed in "toxic" amounts?

Question

Quizplus · Accepted Answer

Excessive oral zinc intake interferes with copper absorption because they compete for binding to the carrier protein metallothionein within the mucosal cell.High doses of zinc have been demonstrated to decrease the absorption of iron from supplements, but iron has not been shown to affect zinc absorption.Excessive phosphorus intake results in an imbalance in serum calcium and phosphorus levels; however, increased calcium does not interfere with phosphorus absorption.Sodium and potassium intake do not affect the absorption of each other.

Which of the Following Mineral-Mineral Interactions May Lead to Impaired