A nurse is caring for a client with megaloblastic anemia. Which vitamin deficiency is most likely responsible for this condition?
Vitamin A
Vitamin B12
Vitamin C
Vitamin D
The Correct Answer is B
A) This choice is incorrect because vitamin A deficiency does not cause megaloblastic anemia.
B) This choice is correct because megaloblastic anemia is typically caused by a deficiency of vitamin B12 or folic acid, which are essential for normal red blood cell production.
C) This choice is incorrect because vitamin C deficiency leads to scurvy, a condition unrelated to megaloblastic anemia.
D) This choice is incorrect because vitamin D deficiency can lead to conditions like rickets, but it does not cause megaloblastic anemia.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) This choice is incorrect because increased blood pressure is not typically observed during a vaso-occlusive crisis in sickle cell anemia.
B) This choice is incorrect because pale skin and mucous membranes are more likely to be seen in clients with anemia due to decreased red blood cell count, but it is not specific to a vaso-occlusive crisis.
C) This choice is correct. A vaso-occlusive crisis in sickle cell anemia is characterized by the blockage of small blood vessels, leading to severe pain, particularly in the joints and bones.
D) This choice is incorrect because clients experiencing a vaso-occlusive crisis are more likely to feel fatigued and weak due to the lack of oxygen delivery, rather than having high energy levels.
Correct Answer is C
Explanation
A) This choice is incorrect because hemolytic anemia is characterized by an increased destruction of red blood cells, which would typically result in a high reticulocyte count.
B) This choice is incorrect because iron-deficiency anemia is characterized by a low level of iron, which leads to decreased hemoglobin production but does not necessarily affect reticulocyte count.
C) This choice is correct. Aplastic anemia is characterized by the failure of the bone marrow to produce an adequate number of red blood cells, leading to a low reticulocyte count.
D) This choice is incorrect because pernicious anemia is caused by a deficiency in vitamin B12, which affects red blood cell maturation but does not directly influence reticulocyte count.
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