12 Questions
What does ionized calcium test measure?
Calcium that is unattached from proteins in the blood
Why is corrected calcium value used?
To adjust for abnormal albumin concentrations
Which hormone controls the amount of calcium in the blood?
Parathyroid hormone (PTH)
What does urine calcium indicate?
Amount of calcium excreted by the kidneys
In what medical conditions can calcium be used as a diagnostic test?
Kidney stones, bone disease, and neurologic disorders
What does the total calcium test measure?
Calcium attached to proteins in the blood
What symptoms might prompt a doctor to request a calcium test for an individual with kidney disease?
Tingling fingers and loss of appetite
Why is it recommended to separate serum or plasma from blood cells as soon as possible?
To avoid contamination of the sample
What can prolonged contact with the clot in a blood sample cause in terms of calcium values?
Reduce the calcium levels
In the colorimetric method for determining calcium, what is the purpose of measuring the absorbance of the specimen and standard against the reagent blank?
To establish a baseline for comparison
What is the expected normal blood calcium level range for adults according to the text?
$8.5$ to $10.2$ milligrams/deciliter
Why do laboratories have different reference ranges for normal blood calcium levels?
To account for variations in population demographics
Learn about the importance of calcium in the body, its role in muscle, nerve, and heart function, blood clotting, and bone formation. Understand the different types of calcium blood tests: Total calcium and Ionized calcium.
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