Phosphorus Flashcards Preview

Nutrition 1 Part 2 > Phosphorus > Flashcards

Flashcards in Phosphorus Deck (31):
1

the majority of phosphorous in th ebody is found as

PO4

2

most of the P is located in the

bone

3

sources of P

dairy, meat, eggs, nuts, coffee, tea, soft drink

4

the phosphorus n all plant seeds is present in a storage form of phosphate called ____

phytic acid or phytate

5

why is only 50% of phytat available to humans

because we lack enzymes the liberate phosphorous from phytate

6

yeasts posses ____

phytate

7

phosphorous is absorbed in its______ form

inorganic

8

organically boudn phosphorous is first_____ to remove proteins it is bound to in the stomach and SI

hydrolyzed

9

absorption of P occurs throughout the ____

small intestines (duo and jeju)

10

a concentration dependent______ is the primary rout of absorptoin for phosphorous

facilitated diffusion

11

there is also a calcium satruable sodium dependent, carrier mediated transport system which is stimulated by______

calcitriol (1,25 OH)

12

phosphorous is transported in what form

inorganic and organic forms

13

phosphorous is mostly stored in

bone and muscle

14

functions of phosphorous

structural role
energy production
cell signalling and enzyme activity regulation
pH buffering
oxygen availability

15

phosphorous is a major structural component of ____ in the form of phosphate salt called hydroxyapatite

bone

16

________ are a major structural component of cell membranes

phospholipids

17

____ and ____ are long chains of phosphate containing molecules

DNA and RNA (nucleic acids)

18

all energy production and storage are dependent on phosphorylated compounds such as _____ and creatine phosphate

ATP

19

phosphorous helps maintain normal pH by actin as one of the bodys most important intracellular _____

buffer

20

the phosphorous containing molecule 2, 3 diphosphoglycerate binds to ____ in RBCs and affect oxygen delivery to tissues of the body

hemoglobin

21

phosphorous is excreted in its _______ form primarily in the _____

inorganic
urine

22

S&S of hypophosphatenia

anemia
mm weakness
bone pain and softening of bones ( rickets, osteomalacia)
peripheral neuropathy
severe = death!

23

who is at risk for hypophosphatenia

alcoholics
diabetes recovering from an episode of diabetic ketoacidosis
people taking very high amounts of antacids

24

hyperphosphatemia is only usually a problem in people with

end stage renal disease

25

high phosphate levels in the blood reduce the activation of ____ in the kidneys, reduce blood ____ levels, and lead to _____ release

high phosphate levels in the blood reduce the activation of [ VITAMIN D ] in the kidney reduce blood [calcium ] levels, and lead to [PTH] release

26

high serum phosphorous lead to decrease urinary ____ excretion

calcium

27

osteoporosis frequently results in

kyphosis

28

kyphosis causes

decreased lung capacity
SOB
abd pain
reduced appetite
premature satiety

29

there is an increased risk of osteoporosis in :

the elderly
use of certain meds (glucocorticoids, thyroid hormones, antiepileptic, aromatase inhibitors)
sedentary liefestyle
decreased exposure to estrogen
high sodium intake
caffeine intake
smoking
chronic alcohol consumption

30

Naturopathic treatment of osteoporosis involves dietary supplementation of

vitamin d
magnesium
phosphorous
vitamin d
copper
strongtioum
boron
manganese
folic acid, b12, b6
proteins

31

additional naturopathic treatment of osteoporosis includes

weight bearing exercise
low sodium, alcohol, caffeine, soft drinks
hormonal balance
enzyme/buffer balance