Adult-Gerontology Clinical Nurse Specialist (CNS) Practice Exam

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What is the correct laboratory norm for Mean Corpuscular Hemoglobin Concentration (MCHC)?

50.5 - 100.0 g/dL
31.0 - 37.0 g/dL
21.0 - 27.0 g/dL
10.0 - 20.0 g/dL

The correct answer is: 31.0 - 37.0 g/dL

The Mean Corpuscular Hemoglobin Concentration (MCHC) is a measure that reflects the average concentration of hemoglobin in a given volume of red blood cells. The normal reference range for MCHC typically falls between 31.0 to 37.0 g/dL. This parameter is particularly useful in evaluating various anemias and conditions related to red blood cell production and function. Values above or below this normal range can indicate various hematological conditions. For instance, a low MCHC might suggest hypochromic anemia, while a high MCHC could be associated with conditions like hereditary spherocytosis. Therefore, understanding the normal values for MCHC is essential for evaluating a patient's blood profile and guiding further diagnostic and therapeutic decisions.