The patient, age 35, is admitted with aplastic anemia. He asks the nurse what aplastic anemia is. An accurate response would be that
the activity of the bone marrow is depressed.
red cells are absent as a result of chronic blood loss.
the bone marrow fails to produce lymphocytes.
the kidneys fail to produce red blood cells.
The Correct Answer is A
A. The activity of the bone marrow is depressed. Aplastic anemia is a condition where the bone marrow fails to produce sufficient numbers of blood cells, including red cells, white cells, and platelets.
B. Red cells are absent as a result of chronic blood loss. This describes a condition like iron- deficiency anemia, not aplastic anemia.
C. The bone marrow fails to produce lymphocytes. Aplastic anemia affects the production of all blood cells, not just lymphocytes.
D. The kidneys fail to produce red blood cells. This describes anemia of chronic kidney disease, not aplastic anemia. In aplastic anemia, the problem lies with the bone marrow, not the kidneys.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Phalitis: This term is not commonly used and does not specifically refer to swelling in the hands and feet.
B. Dactylitis: Dactylitis is a common manifestation of sickle cell disease in infants, characterized by painful swelling of the hands and feet due to vaso-occlusive episodes.
C. Erythromelaglia: Erythromelalgia is a condition characterized by burning pain, redness, and warmth in the extremities, but it is not typically associated with sickle cell disease.
D. Dyshidrotia: This term is not commonly used in medical terminology and does not specifically refer to swelling in the hands and feet.
Correct Answer is B
Explanation
A. Radiation exposure: Radiation exposure can cause aplastic anemia, but if the cause is unknown, it is less likely to be due to a specific and identifiable event like radiation exposure.
B. An autoimmune disorder: When the cause of aplastic anemia cannot be diagnosed, it is often attributed to an autoimmune disorder where the body attacks its own bone marrow cells.
C. Chemotherapy drugs: Chemotherapy drugs can cause aplastic anemia, but this cause would typically be known based on the patient's medical history.
D. Toxins: Toxins can cause aplastic anemia, but like chemotherapy drugs and radiation, this cause would generally be identifiable.
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