Ca+ Flashcards
1
Q
Ca+ function
A
Promotes transmission of NI MAJOR component of bones and teeth Regulates muscle contractions Maintains cardiac automaticity essential factor in the formation of blood clots Catalyst for many cellular activities
2
Q
Ca+ Regulation
A
Combines c P to form the mineral salts of the teeth and bones
calcium and P lvls inversely proportional
PTH hormone stimulates release of Ca from bones and reabsorption from kidneys and intestines
Calcitonin blocks bone breakdown and lowers Ca lvls
Absorption stimulated by Vit D
3
Q
Ca+ source
A
Milk Milk products Dark green leafy vegetables Salmon Calcium fortified foods: bread, cereals
4
Q
Normal Ca+ serum lvls
A
Ionized 4.25-5.25
Total serum Ca+ 9-11 mg/dL
Most abundant electrolyte in the body
