A patient's laboratory test results indicate an increased ionized calcium level, but the health-care provider is concerned that an interfering factor may be causing a false-positive reading.Which of the following factors could cause such a reading?
A)Calcitonin
B)Citrates
C)Foscarnet
D)Antacids

Question

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The Answer of A patient's laboratory test results indicate an increased ionized calcium level, but the health-care provider is concerned that an interfering factor may be causing a false-positive reading.Which of the following factors could cause such a reading?
A)Calcitonin
B)Citrates
C)Foscarnet
D)Antacids

A Patient's Laboratory Test Results Indicate an Increased Ionized Calcium