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Major Minerals
ca, p, mg, k, na, cl
29
Nutrition
Undergraduate 2
04/27/2014

Additional Nutrition Flashcards

 


 

Cards

Term
difference between major and trace mineral classification.....
Definition

major minerals are required in amounts of  >100 mg/day

trace minerals are required in amounts of < 100 mg/day

Term
Ca transport depends on what?
Definition
adequate vitamin d status
Term
what inhibits ca absorption
Definition

tannins

phytate (whole grains)

oxalates (vegetables)

Term
ca functions (bone)
Definition

bone mineralization

bone serves as the " ca bank"

Term
99% of ca  in the body is found in
Definition
the bone
Term
1% of ca is found in
Definition
body fluids
Term
function of ca in the body fluids
Definition

blood clotting

muscle and nerve function

secretion of hormones and activation of enzymes rxns and signaling

Term
inc blood ca levels
Definition
calcitriol and PTH
Term
dec blood ca levels
Definition
calcitonin from thyroid gland
Term
factors that inc calcium excretion
Definition
sodium and caffiene
Term
factors that inhibit calcium excretion
Definition
vit d status and potassium
Term
ca deficiency
Definition

tetany

rickets

osteoporosis

osteopenia

Term
2 types of bone
Definition
trabecular (spongy) and cortical (compact)
Term
trabecular and cortical bone are found where
Definition

trabecular-ends of the bone

cortical-shaft

Term
which bone is affected more by low calcium
Definition
trabecular
Term
manifestations of bone loss  (2)
Definition

dowagers hump/kyphosis

fractures (wrist, spine, hip)

Term
phosphorus functions (7)
Definition

bone mineralization

cell membrane

DNA/RNA

part of energy compound

blood ph

intracellular signaling

enzyme activation

Term
phosphorus is stored in the bone as
Definition
hydroxyapatite
Term
which organ is responsible for eliminating excess phosporus?
Definition
kidney
Term
magnesium functions
Definition

bone mineralization

stabilize enzymes

musle and nerve function

Term
the three electrolytes
Definition

na

k

cl

Term
potassium is mostly where
Definition
inside the cells
Term
na and cl are mostly where
Definition
outside the cell
Term
water moves by....
Definition
osmosis in response to electrolyte [ ]
Term
electrolyte functions
Definition

body fluid balance

nerve conduction

muscle contraction

acid base

HCL production

removal of CO2 from cells

Term
high sodium intake is associated with increased urinary excretion of
Definition
ca
Term
potassium deficiency
Definition
rare no name causes hypokalemia=cardiac arrythmias and death
Term
potassium toxicity =hyperkalemia=cardiac arrythmias and cardiac arrest and death and kidney failure
Definition
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