A nurse is caring for a client who has chronic renal disease and is receiving therapy with epoetin alfa. Which of the following laboratory results should the nurse review for an indication of a therapeutic effect of the medication?
The erythrocyte sedimentation rate (ESR)
The hematocrit (Hct)
The leukocyte count
The platelet count
The Correct Answer is B
A. The erythrocyte sedimentation rate (ESR) is a nonspecific marker of inflammation and is not used to assess the therapeutic effect of epoetin alfa.
B. The hematocrit (Hct) measures the proportion of red blood cells in the blood. Epoetin alfa stimulates the production of red blood cells, leading to an increase in hematocrit levels, indicating a therapeutic effect of the medication.
C. The leukocyte count measures the number of white blood cells in the blood and is not relevant for assessing the therapeutic effect of epoetin alfa.
D. The platelet count measures the number of platelets in the blood and is not relevant for assessing the therapeutic effect of epoetin alfa.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. In respiratory acidosis, the pH would be lower than normal due to an excess of carbon dioxide.
B. PaCO2 (partial pressure of carbon dioxide) would be elevated in respiratory acidosis because of inadequate ventilation leading to CO2 retention.
C. Potassium levels may vary depending on other factors but are not directly related to respiratory acidosis.
D. HCO3 (bicarbonate) levels may be normal or increased compensatorily in chronic respiratory acidosis, not necessarily decreased.
Correct Answer is B
Explanation
A. Elevated PaCO2 would be seen in respiratory acidosis, not metabolic acidosis.
B. Metabolic acidosis is characterized by a decreased pH.
C. This result would indicate metabolic alkalosis, not metabolic acidosis.
D. This result would indicate hypoxemia but is not specific to metabolic acidosis.
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