The nurse suspects that a client with severe shortness of breath in the absence of cyanosis is experiencing anemia. Which laboratory tests should the nurse review to confirm anemia?
Select all that apply.
A) Serum electrolytes
B) Cardiac enzymes
C) Hemoglobin
D) Blood sugar
E) Hematocrit
Answer: C, E
In order to exhibit cyanosis, the client's blood must contain about 5 g or more of unoxygenated hemoglobin per 100 mL of blood and the surface blood capillaries must be dilated. Severe anemia will interfere with the development of cyanosis, so the nurse should review the hemoglobin and hematocrit. Blood sugar, cardiac enzymes, and serum electrolytes are not implicated in this phenomenon.
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