DSA introduction to regulation of K, Ca, Pi, Mg balance

Question 1

Normal ranges of plasma K+ concentration?

Answer 1

3.5-5.0 mEq/L

Question 2

Describe K+ distribution in the body

EC vs IC

how much in? out?

total in body?

Answer 2

Question 3

what is Hypo/hyper/pseudohyperkalemia?

causes of each?

what can be deadly?

Answer 3

Question 4

main routes of K+ loss? storage?

Answer 4

Question 5

K+ in normal nerve and muscle function.

what happens with increased or decreased K+?

Answer 5

Question 6

K+ and cardiac effects.

high and low levels what happens?

what are the classic signs of these?

Answer 6

Question 7

Answer 7

Question 8

normal range of Ca2+ intake

when is absorption best?

Answer 8

Question 9

major storage pools of Ca2+ in the body?

major routes of Ca2+ loss from the body?

important enzymes?

Answer 9

Question 10

Ca effect on nerve and muscle cell excitability.

regulators?

Answer 10

Question 11

causes of high and low serum calcium

Answer 11

Question 12

normal range of dietary phosphate intake?

Answer 12

Question 13

major storage pools of phosphate in the body?

major routes of phosphate loss from the body?

Answer 13

Question 14

4 main regulators of phosphate metabolism

Answer 14

Question 15

major storage pools of Mg2+ in the body?

absorption/secretion?

Answer 15

Question 16

total serum Mg2+ range?

free serum Mg2+ range?

Answer 16