Patient Care Technician (PCT) AAH Practice Exam

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Calcium levels are measured in what unit?

mg/dL
mEq/L
Ca++
g/dL

The correct answer is: Ca++

Calcium levels are commonly measured in milligrams per deciliter (mg/dL). This unit provides a clear and standardized way to quantify the concentration of calcium in the blood or serum, which is essential for assessing the body's calcium status and overall health. While other options, such as milliequivalents per liter (mEq/L) or grams per deciliter (g/dL), are used for different substances or purposes, they are not the standard units for measuring calcium specifically. The representation "Ca++" refers to the ionic form of calcium and indicates its charge, but it does not provide a quantifiable measurement unit for assessing serum calcium levels. Therefore, when determining calcium concentration in a clinical setting, mg/dL is recognized as the appropriate measurement unit.