The nurse knows that pernicious anemia is caused by which of the following?
Damage to kidneys, which cause decrease in erythropoietin production
Destruction of gastric parietal cells, which decrease intrinsic factor production
Decrease in RBC in the bone marrow
Hemolysis of RBC
The Correct Answer is B
A. Damage to kidneys, which cause a decrease in erythropoietin production: This describes anemia of chronic disease or kidney-related anemia, not pernicious anemia.
B. Destruction of gastric parietal cells, which decrease intrinsic factor production: Pernicious anemia results from the loss of intrinsic factor, essential for vitamin B12 absorption in the intestine.
C. Decrease in RBC in the bone marrow: This is more characteristic of aplastic anemia or bone marrow suppression rather than pernicious anemia.
D. Hemolysis of RBC: This describes hemolytic anemia rather than pernicious anemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Education on Epi-pen: While education is important, it is not a priority during a severe allergic reaction.
B. Maintaining airway: Airway compromise is the primary concern during a severe allergic reaction due to potential bronchospasm and swelling.
C. Emotional support: Providing emotional support is important but secondary to maintaining the airway.
D. Treat urticaria: Managing skin symptoms like hives (urticaria) is not the top priority when airway obstruction is a risk.
Correct Answer is C
Explanation
A. Gingivitis refers to inflammation of the gums, typically causing redness and bleeding, not a white, creamy coating.
B. Xerostomia (dry mouth) can occur in HIV/AIDS but does not typically cause a white, creamy coating.
C. Candidiasis; a white, creamy coating on the tongue and buccal membranes is characteristic of oral candidiasis (thrush), a common fungal infection in immunocompromised individuals, including those with AIDS.
D. Halitosis refers to bad breath and is not associated with a white coating on the tongue.
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