NETA Personal Trainer Practice Exam

Which of the following functions are NOT attributed to minerals?

1. Enzyme activity

2. Transmission of nerve impulses

3. Temperature regulation

4. Skeletal structure support

The correct answer is: Temperature regulation

Minerals play a vital role in various physiological functions in the body, but temperature regulation is not primarily attributed to them. Instead, temperature regulation is mainly managed by physiological mechanisms such as the hypothalamus, sweating, and changes in blood flow to the skin. In contrast, minerals are crucial for enzyme activity as they often serve as cofactors that enable enzymes to function effectively. They are also important for the transmission of nerve impulses, where minerals like sodium and potassium help create the electrical gradients necessary for nerve signaling. Furthermore, minerals contribute significantly to skeletal structure support, with calcium and phosphorus being key components of bone mineralization.