Lab values

Question 1

What is the normal total plasma calcium level?

Answer 1

8.5 - 10.0 mg/dL
2.12 - 2.62 mmol/dL

Question 2

What is the normal ionized calcium level?

Answer 2

4.65 - 5.28 mg/dL
2.2 - 2.6 mEq/L
1.16 - 1.32 mmol/dL

Question 3

What percent of total calcium is ionized?

Answer 3

50%

Question 4

At what level of Magnesium does loss of deep tendon reflexes occur?

Answer 4

4 - 6.5 mEq/L
10 - 23 mg/dL