A nurse is caring for a client with anemia, and the laboratory results show an increased number of target cells on the peripheral blood smear. Which type of anemia is most likely to be associated with this finding?
Iron-deficiency anemia
Hemolytic anemia
Sickle cell anemia
Aplastic anemia
The Correct Answer is A
A) This choice is correct. Iron-deficiency anemia may present with an increased number of target cells on the peripheral blood smear, which are red blood cells with a central area of pallor and a surrounding ring of hemoglobin. This appearance is due to a reduced hemoglobin content in relation to cell size.
B) This choice is incorrect because hemolytic anemia is characterized by the destruction of red blood cells and typically presents with different morphological changes on the peripheral blood smear.
C) This choice is incorrect because sickle cell anemia is associated with the presence of sickle-shaped cells, not target cells.
D) This choice is incorrect because aplastic anemia is characterized by a decrease in the number of all formed elements of the blood (red blood cells, white blood cells, and platelets), and it does not typically cause target cells.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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 coffee contains substances that can inhibit iron absorption.
B) This choice is incorrect because tea, especially black tea, contains tannins that can hinder iron absorption.
C) This choice is incorrect because water does not enhance iron absorption.
D) This choice is correct. Orange juice, or any other vitamin C-rich beverage, enhances the absorption of non-heme iron found in supplements and plant-based foods.
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