Exam 14: Nonessential Trace and Ultratrace Minerals

Which ultratrace element is not required by humans in its ionic form,but is a necessary component of the coenzyme form of a vitamin?

Dietary ____ inhibits absorption of silicon.

No Tolerable Upper Level for nickel has been established in humans.

Which ultratrace element,in pharmacological quantities,mimics the action of insulin?

The weathering of rocks and volcanic emissions release which element into the environment that eventually ends up in the food supply?

Discuss the paradox between the benefits versus the toxic effects of arsenic.

Boron deficiency may affect attention,mental alertness,and memory.

Which categories of food provide the most nickel?

Which ultratrace element is a constituent of vitamin B₁₂?

Where might one expect to find a higher incidence of arsenic toxicity?

How might a type II diabetic or prediabetic benefit from taking vanadium supplements?

What ultratrace element has been shown to inhibit Na+/K+-ATPase function and the absorption of amino acids at higher concentrations?

Match each ultratrace mineral with its associated functions. -arsenic

Before it is absorbed,fluoride in foods,often bound to proteins,must be hydrolyzed by ____.

What foods are rich sources of silicon?

Quartz is possibly the most well-known form of silicon in nature.

A derivative of which element is approved for treatment of promyelocytic leukemia?

Which of the following interacts with fluoride in such a way as to inhibit absorption?

The form of fluoride in toothpaste is ____.

How does boron exert its effect on body functions?