In the Blood Stream, Calcium Exists in Three Forms: ______

question 14

Multiple Choice

In the blood stream, calcium exists in three forms: ______ of total serum calcium is the biologically active ionized calcium, ______ is protein bound, mainly to albumin, and ______ is complexed to anions.

• A)10%, 45%, 45%
• B)45%, 45%, 10%
• C)35%, 10%, 55%
• D)10%, 55%, 35%

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