Which of the following describes serum Ca 2+ ?

Serum Ca 2+ is present in three forms: ionized, protein bound, and complex. About 50% of the serum calcium is ionized, 40% is protein-bound, and the remaining 10% is complexed with anions such as phosphate or sulfate.

Which of the following describes serum Ca 2+ ?

Serum Ca 2+ is present in three forms: ionized, protein bound, and complex. About 50% of the serum calcium is ionized, 40% is protein-bound, and the remaining 10% is complexed with anions such as phosphate or sulfate.

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Which of the Following Describes Serum Ca²⁺

Question 84

Multiple Choice

Which of the following describes serum Ca²⁺?

A) About 30% of the serum Ca²⁺ is ionized and combined with plasma anions.
B) Acidemia decreases the serum levels of ionized Ca²⁺.
C) More than half of the serum Ca²⁺ is nonionized and bound to plasma albumin.
D) Serum Ca²⁺ is present in three forms: ionized, protein bound, and complex.

Correct Answer: