A nurse is teaching a client who has a new diagnosis of aplastic anemia. Which of the following information should the nurse include in the teaching?
A.
Aplastic anemia results in an inability to absorb vitamin B12.
B.
Aplastic anemia results from decreased bone marrow production of RBCs.
C.
Aplastic anemia results in an increased rate of RBC destruction.
D.
Aplastic anemia is associated with a decreased intake of iron.
The Correct Answer and Explanation is:
The correct answer is B. Aplastic anemia results from decreased bone marrow production of RBCs.
Explanation:
Aplastic anemia is a serious condition characterized by the failure of the bone marrow to produce sufficient quantities of red blood cells (RBCs), white blood cells (WBCs), and platelets. This results from a reduction in hematopoietic stem cells in the bone marrow. These stem cells are responsible for producing all blood cells, and when their production is compromised, it leads to a deficiency of all blood cell types, which can cause a range of symptoms.
Aplastic Anemia and Bone Marrow Production
- Decreased Bone Marrow Production:
- Pathophysiology: Aplastic anemia specifically results from the bone marrow’s inability to produce adequate numbers of RBCs, WBCs, and platelets. This is primarily due to damage or destruction of the bone marrow’s hematopoietic cells, which can be caused by autoimmune disorders, certain medications, radiation, or infections. The low production of RBCs leads to anemia, while low production of WBCs results in an increased risk of infections, and reduced platelets cause bleeding and bruising.
- Symptoms:
- Anemia Symptoms: Fatigue, pallor, and shortness of breath occur because of the reduced number of RBCs.
- Infection Risk: Increased susceptibility to infections due to the low WBC count.
- Bleeding and Bruising: Easy bruising, bleeding gums, and frequent nosebleeds due to a lack of platelets.
Incorrect Options:
- A. Aplastic anemia results in an inability to absorb vitamin B12: This is incorrect because vitamin B12 absorption issues are related to pernicious anemia, not aplastic anemia. Aplastic anemia is not caused by issues with vitamin absorption.
- C. Aplastic anemia results in an increased rate of RBC destruction: This is incorrect because aplastic anemia is not characterized by increased destruction of RBCs but rather by decreased production of these cells.
- D. Aplastic anemia is associated with a decreased intake of iron: This is incorrect as well. Aplastic anemia is not typically related to iron deficiency but to the failure of the bone marrow to produce blood cells.
Understanding aplastic anemia is crucial for managing the disease effectively, and addressing the core issue of reduced bone marrow production is central to its treatment and management.