Bishop Chapter 18 Trace and Toxic Elements Flashcards
1
Q
When is an element considered essential?
A
If a deficiency impairs a biochemical or functional process and replacement of the element corrects this impairment.
2
Q
When is an element considered nonessential?
A
Any element that is not considered essential.
3
Q
Why are nonessential trace elements of medical interest?
A
Because many of them are toxic.
4
Q
Define metalloenzyme.
A
An essential trace element that are often associated with an enzyme as a cofactor.
5
Q
Define metalloprotein.
A
An essential trace element that are often associated with a protein as a cofactor.
