Quiz: Overview of Disorders of Calcium Concentration
Question 1 of 2  

Total serum calcium is usually what is determined by clinical laboratory measurement. However, ideally, the physiologically active form of calcium in plasma should also be measured or estimated because its blood level does not always correlate with total serum calcium. Which of the following is the physiologically active form of calcium in plasma?

  • A.

    Complexed calcium

  • B.

    Ionized calcium

  • C.

    Protein-bound calcium

  • D.

    Total calcium

Am I correct?