Final: Fluorine (F) Flashcards
1
Q
Is F regarded as an essential dietary component?
A
No
2
Q
What are the functions of F when ingested in SMALL amounts?
A
Prevention of dental caries; helps enamel resist acid and inhibits bacterial growth around tooth
Also strengthens all bone (subs in bone crystal for OH-)
3
Q
How readily is NaF absorbed by cattle?
A
Rapidly and nearly completely absorbed
4
Q
What substances can reduce F absorption?
A
Dietary Ca, Al, NaCl, and fat
5
Q
How can F toxicity occur?
A
Animals grazing down wind of aluminum smelters, rock phosphate sources high in F
6
Q
What are symptoms of F toxicity?
A
Weakens bones and causes osteonecrosis - stunts bone formation
7
Q
What are sources of F?
A
Stannous (tin) F from human toothpaste
Not added to animal diets to any great degree
