The nurse is caring for a client who has chronic renal disease and is receiving therapy with erythropoietin (epoetin alpha). Which of the following laboratory results should the nurse review as an indication of a therapeutic effect of this medication?
Leukocytes
Hemoglobin
Platelets
Brain Natriuretic peptide
The Correct Answer is B
A. Leukocytes: Erythropoietin does not affect white blood cell (WBC) production.
B. Hemoglobin: Erythropoietin stimulates red blood cell (RBC) production in the bone marrow. Clients with chronic kidney disease (CKD) develop anemia due to decreased natural erythropoietin production. A therapeutic response is seen as an increase in hemoglobin levels.
C. Platelets: Erythropoietin does not stimulate platelet production (thrombopoiesis).
D. Brain Natriuretic Peptide (BNP): BNP is a marker for heart failure, not erythropoiesis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Respiratory Alkalosis: Would have low PaCO2 (<35 mmHg), not high.
B. Partially Compensated Metabolic Alkalosis: The pH is high (alkalosis), and the HCO3 is elevated, which indicates metabolic alkalosis. The PaCO2 is high, meaning the lungs are attempting to compensate by retaining CO₂ to lower the pH. Because the pH is still abnormal, this is partial compensation.
C. Metabolic Acidosis: Would have low pH and low HCO3 (<22 mEq/L).
D. Fully Compensated Respiratory Acidosis: The primary problem is metabolic, not respiratory.
Correct Answer is B
Explanation
A. ST depression: ST depression is associated with hypokalemia or ischemia.
B. Tall peaked T waves: Hyperkalemia (K+ > 5.0 mEq/L) causes tall, peaked T waves due to abnormal repolarization. Severe hyperkalemia (>6.5 mEq/L) can lead to cardiac arrest.
C. Prolonged ST segment: Not a characteristic of hyperkalemia.
D. Prominent U wave: A U wave is seen in hypokalemia, not hyperkalemia.
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