phosphorus

Question 1

what is the second most abundant mineral in the body?

Answer 1

phosphorus

Question 2

what percent of phosphorus is absorbed

Answer 2

80%

Question 3

what are the functions of phosphorus

Answer 3

bone mineralization, nucleoside/nucleotide phosphates, phosphoproteins turn enzymes on/off, part of phosopholipids, acid-base balance

Question 4

phosphorus is found with what in osteoblast

Answer 4

calcium fluoride, magnesium, potassium, strontium, and sodium

Question 5

calcium:phosphorus ration in bone

Answer 5

1.3:1

Question 6

nucletide/nucleoside phosphates are part of what

Answer 6

Dna and RNA backbone
energy as part of ATP
secondary messenger in cAMP

Question 7

phosphate is the main?

Answer 7

intracellular buffer

Question 8

what is the main mechanism for regulating enzymes

Answer 8

covalent modification

Question 9

phosphorus RDA

Answer 9

adult 700mg

Question 10

Excellent sources of Phosphorus

Answer 10

meat, poultry, fish, egg

animal products>plant producs

Question 11

good sources of phosphorus

Answer 11

dairy products, nuts, legumes, grains

Question 12

whos is at risk of phosphorus deficiency?

Answer 12

alcoholics, those with renal or liver disease, large consumption of antacids, malnourished patients

Question 13

symptoms of phosphorus deficiency

Answer 13

arrythmias, skeletal muscle and cardiac myopathy, decreased diaphram contractlity, reduced cariac output, death

Question 14

what are symptoms of phosphorus toxicity

Answer 14

hypocalcemia and tetany

Question 15

what are some functions of phosphorus

Answer 15

enzyme regulation, phospholipids, bone crystallization

Question 16

a patient consumes a high phosphorus diet( lots of legumes, meat , but no dairy) what would you expect

Answer 16

hypocalcemia

Question 17

where does the body get Ca2+ to normalize blood values

Answer 17

from bone