Which lab value is a reliable indicator of bone marrow suppression in a patient receiving chemotherapy?
Total protein level
Serum potassium level
Erythrocyte sedimentation rate (ESR)
Platelet count
The Correct Answer is D
A. Total protein level. Total protein level does not directly indicate bone marrow suppression.
B. Serum potassium level. Serum potassium level reflects electrolyte balance but is not specific for bone marrow suppression.
C. Erythrocyte sedimentation rate (ESR). ESR can indicate inflammation but is not a reliable indicator of bone marrow suppression.
D. Platelet count. Platelet count is a reliable indicator of bone marrow suppression because chemotherapy can significantly reduce platelet production, leading to thrombocytopenia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Decreased serum albumin is not typically associated with hemolysis; it may occur in conditions such as liver disease or malnutrition.
B. Jaundice, or yellowing of the skin and eyes, is a common manifestation of hemolysis due to the increased production of bilirubin from the breakdown of red blood cells.
C. Increased serum bilirubin levels occur as a result of hemolysis, contributing to the development of jaundice.
D. Increased bilirubin is essentially the same as increased serum bilirubin; both indicate the presence of jaundice due to hemolysis.
E. Presence of dark urine is also characteristic of hemolysis, as it may contain excess bilirubin, giving it a darker color.
Correct Answer is B
Explanation
A. Reticulocyte count: Reticulocyte count measures immature red blood cells and is not the primary measure for the effectiveness of filgrastim, which is used to boost white blood cells.
B. White blood count / Absolute neutrophil count: Filgrastim (Neupogen) is used to increase white blood cells, specifically neutrophils. Therefore, monitoring the white blood count (WBC) and absolute neutrophil count (ANC) is the appropriate way to determine the effectiveness of the drug.
C. Total lymphocyte count: While lymphocytes are a type of white blood cell, filgrastim primarily affects neutrophils, making WBC/ANC a better indicator.
D. Platelet count: Filgrastim does not directly impact platelet production, so platelet count is not the primary measure of its effectiveness.
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