A patient who developed hemolytic anemia related to the administration of penicillin asks for an explanation of this condition. What is the most appropriate response by the nurse?
a. "The red blood cells are being produced inappropriately."
b. "An antigen–antibody reaction is causing destruction of red blood cells."
c. "An allergy to penicillin is destroying your platelets for unknown reasons."
d. "Allergens are invading the bone marrow and interfering with red blood cell production."
ANS: B
For no known reason, autoantibodies are produced that attach to RBCs and cause them to either lyse or agglutinate (clump). A. C. D. These choices do not correctly explain the development of hemolytic anemia in this patient.
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