Which of the Following Describes Serum Ca²⁺

question 9

Multiple Choice

Which of the following describes serum Ca²⁺?

• A) Approximately 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.

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