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Questions and Answers
What does ionized calcium test measure?
What does ionized calcium test measure?
- Calcium levels in the urine
- Calcium attached to certain proteins in the blood
- Calcium that is unattached from proteins in the blood (correct)
- Total calcium content in the blood
Why is corrected calcium value used?
Why is corrected calcium value used?
- To determine calcium excretion by the kidneys
- To measure total calcium concentration in the blood
- To measure free calcium concentration in the blood
- To adjust for abnormal albumin concentrations (correct)
Which hormone controls the amount of calcium in the blood?
Which hormone controls the amount of calcium in the blood?
- Insulin
- Thyroid hormone
- Growth hormone
- Parathyroid hormone (PTH) (correct)
What does urine calcium indicate?
What does urine calcium indicate?
In what medical conditions can calcium be used as a diagnostic test?
In what medical conditions can calcium be used as a diagnostic test?
What does the total calcium test measure?
What does the total calcium test measure?
What symptoms might prompt a doctor to request a calcium test for an individual with kidney disease?
What symptoms might prompt a doctor to request a calcium test for an individual with kidney disease?
Why is it recommended to separate serum or plasma from blood cells as soon as possible?
Why is it recommended to separate serum or plasma from blood cells as soon as possible?
What can prolonged contact with the clot in a blood sample cause in terms of calcium values?
What can prolonged contact with the clot in a blood sample cause in terms of calcium values?
In the colorimetric method for determining calcium, what is the purpose of measuring the absorbance of the specimen and standard against the reagent blank?
In the colorimetric method for determining calcium, what is the purpose of measuring the absorbance of the specimen and standard against the reagent blank?
What is the expected normal blood calcium level range for adults according to the text?
What is the expected normal blood calcium level range for adults according to the text?
Why do laboratories have different reference ranges for normal blood calcium levels?
Why do laboratories have different reference ranges for normal blood calcium levels?
