Which treatment is likely to be planned for a patient who develops pernicious anemia after a gastrectomy?
Triple-drug therapy.
IV therapy.
Quadruple-drug therapy.
Cobalamin replacement therapy.
The Correct Answer is D
Choice A rationale:
Triple-drug therapy is not the standard treatment for pernicious anemia after a gastrectomy. Pernicious anemia is primarily caused by vitamin B12 deficiency due to the absence of intrinsic factor, which is essential for vitamin B12 absorption.
Choice B rationale:
IV therapy is a broad term and does not specify the treatment for pernicious anemia. In the context of pernicious anemia, cobalamin replacement therapy administered via intramuscular injections is the preferred treatment.
Choice C rationale:
Quadruple-drug therapy is not a recognized treatment for pernicious anemia. The primary treatment for pernicious anemia involves cobalamin replacement therapy to address the vitamin B12 deficiency.
Choice D rationale:
Cobalamin replacement therapy is the appropriate treatment for pernicious anemia after a gastrectomy. Since the patient lacks intrinsic factor, which is necessary for vitamin B12 absorption, cobalamin replacement therapy bypasses the need for intrinsic factor and provides the necessary vitamin B12 directly.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
Choice A rationale:
Increased bilirubin levels can occur in thalassemia major due to the destruction of red blood cells, leading to elevated bilirubin, which is a breakdown product of hemoglobin. This elevation can contribute to jaundice and other symptoms.
Choice B rationale:
Thalassemia major leads to the destruction of red blood cells, causing the bone marrow to release more reticulocytes (immature red blood cells) into the bloodstream. Therefore, an increased reticulocyte level is expected in thalassemia major.
Choice C rationale:
Increased mean corpuscular volume (MCV) is not a typical finding in thalassemia major. Thalassemia major is characterized by microcytic (smaller than normal) red blood cells, leading to a decreased MCV.
Choice D rationale:
Thalassemia major causes increased iron absorption by the intestines, leading to elevated total iron-binding capacity (TIBC) TIBC measures the body's capacity to bind and transport iron in the blood, and elevated levels are seen in conditions with increased iron demand, such as thalassemia major.
Correct Answer is D
Explanation
Choice A rationale:
Stenosis of the heart valves typically leads to murmurs and changes in heart sounds but does not directly impact blood pressure regulation.
Choice B rationale:
Decreased adrenergic sensitivity might lead to lower heart rate and blood pressure, not an increase in systolic blood pressure as seen in this case.
Choice C rationale:
Increased parasympathetic activity would lead to decreased heart rate, not an increase in systolic blood pressure as observed in the patient.
Choice D rationale:
Loss of elasticity in arterial vessels is the correct answer. With aging, arterial walls become less flexible and more rigid due to the accumulation of calcium and collagen. This loss of elasticity results in increased systolic blood pressure, which is the top number in a blood pressure reading. The diastolic pressure, represented by the bottom number, does not usually increase significantly with age. This change is a result of arteriosclerosis, which commonly occurs in elderly individuals.
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