Phosphorus Flashcards Preview

Nutrition > Phosphorus > Flashcards

Flashcards in Phosphorus Deck (19):
1

is it a trace element, vitamin, or mineral? Phosphorus

mineral

2

whats is it converted from? Phosphorus

ATPP --> phosphorus

3

is it the second or first most abundant mineral in the body? Phosphorus

second

4

what does it do in the bones and teeth? Phosphorus

Hydroxyapatite crystals of bone and teeth

5

how much are in the bones and teeth? Phosphorus

85-90%

6

how much are in the muscles? Phosphorus

5-7%

7

besides the the bones, teeth, and muscles, where else is it in the body? Phosphorus

body fluids

8

what are the Levels in body controlled by? Phosphorus

excretion, not absorption

9

how much is absorbed? Phosphorus

70 %

10

what does Vitamin D & parathyroid hormone do to it? Phosphorus

increases rate of resorption from kidneys

11

what are its five functions? Phosphorus

Regulates release of energy, Helps absorption & transport of nutrients, Structural, Calcification of bones & teeth, Regulates acid-base balance

12

what are the details of its function as: Helps absorption & transport of nutrients? Phosphorus

Phosphorylation activates i.e., TPP, PLP

13

what are the details of its structural function? Phosphorus

Phospholipid membranes
1 g P needed for every 17 g nitrogen retained

14

is toxicity rare and what causes it? Phosphorus

Rare, except with consumption large quantities of antacids

15

what are the details of what causes toxicity? Phosphorus

-Kidney disease or too many vitamin D supplements
-Anticonvulsants, phenobarbital

16

what are the six things that can happen with toxicity? Phosphorus

Fatigue, loss of appetite, bone demineralization, muscle weakness, drawing out Ca from bones, with calcification of non skeletal tissues (kidney)

17

whats the DRI? Phosphorus

700 mg

18

whats the UL? Phosphorus

4,000 mg

19

what are the five best food sources? Phosphorus

 Foods rich in proteins  Food additive for
preservation  Phosphoric acid, soda, cheese