A nurse is reviewing a client's laboratory results and finds a low mean corpuscular volume (MCV). Which type of anemia does this finding suggest?
Iron-deficiency anemia
Hemolytic anemia
Megaloblastic anemia
Pernicious anemia
The Correct Answer is A
A) This choice is correct. A low mean corpuscular volume (MCV) indicates microcytic red blood cells, which are characteristic of iron-deficiency anemia.
B) This choice is incorrect because hemolytic anemia typically presents with a normal or elevated MCV, not a low MCV.
C) This choice is incorrect because megaloblastic anemia is associated with an elevated MCV due to the presence of larger-than-normal red blood cells (macrocytic).
D) This choice is incorrect because pernicious anemia is associated with a macrocytic MCV, not a microcytic MCV.
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Related Questions
Correct Answer is C
Explanation
A) This choice is incorrect because hemoglobin electrophoresis is used to identify abnormal hemoglobin types, not to assess the size and shape of red blood cells.
B) This choice is incorrect because a reticulocyte count measures the number of immature red blood cells in the blood and helps determine if the bone marrow is responding appropriately to anemia, but it does not assess the size and shape of red blood cells.
C) This choice is correct. A peripheral blood smear is used to examine the morphology of red blood cells, including their size, shape, and appearance. It can help identify different types of anemia and determine the cause of anemia.
D) This choice is incorrect because serum iron levels provide information about iron status but do not directly assess the size and shape of red blood cells.
Correct Answer is D
Explanation
A) This choice is incorrect because while blood pressure monitoring is essential for clients with chronic kidney disease, it is not specifically related to ESA therapy.
B) This choice is incorrect because serum potassium levels are important in chronic kidney disease, but they are not directly related to ESA therapy.
C) This choice is incorrect because dietary sodium intake is important in managing fluid balance in chronic kidney disease, but it is not directly related to ESA therapy.
D) This choice is correct. ESA therapy stimulates the production of red blood cells, and adequate iron levels are necessary for this process. Clients with chronic kidney disease often have decreased iron levels due to various factors, and iron supplementation is crucial for the success of ESA therapy.
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