The nurse recognizes that which diagnostic test is used to detect the most common cause of chronic iron deficiency anemia?
Stool for occult blood
Vitamin B12 level
Schilling's test
Bone marrow aspiration study
The Correct Answer is A
Choice A reason: This is the correct answer. Stool for occult blood is a diagnostic test that detects the presence of hidden blood in the feces. This can indicate bleeding in the gastrointestinal tract, which is the most common cause of chronic iron deficiency anemia. Iron deficiency anemia is a condition where the body does not have enough iron to produce hemoglobin, the protein that carries oxygen in the red blood cells.
Choice B reason: Vitamin B12 level is not the diagnostic test that is used to detect the most common cause of chronic iron deficiency anemia. Vitamin B12 level is a blood test that measures the amount of vitamin B12 in the body. Vitamin B12 is a nutrient that is essential for the production of red blood cells and the maintenance of the nervous system. Vitamin B12 deficiency can cause pernicious anemia, a type of megaloblastic anemia where the red blood cells are large and immature.
Choice C reason: Schilling's test is not the diagnostic test that is used to detect the most common cause of chronic iron deficiency anemia. Schilling's test is a urine test that evaluates the absorption of vitamin B12 in the body. It involves giving the client an oral dose of radioactive vitamin B12 and an intramuscular injection of non-radioactive vitamin B12. The urine is then collected and measured for the amount of radioactive vitamin B12. Schilling's test can help diagnose pernicious anemia and other causes of vitamin B12 malabsorption.
Choice D reason: Bone marrow aspiration study is not the diagnostic test that is used to detect the most common cause of chronic iron deficiency anemia. Bone marrow aspiration study is a procedure that involves taking a sample of bone marrow from the hip or sternum and examining it under a microscope. Bone marrow is the soft tissue inside the bones that produces blood cells. Bone marrow aspiration study can help diagnose various blood disorders, such as leukemia, lymphoma, and aplastic anemia.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","E"]
Explanation
Choice A reason: Pregnancy can increase the frequency and severity of sickle cell crises⁵⁶. Regular prenatal care is especially important for women with sickle cell disease⁵⁶. Therefore, it's crucial for a young female adult with sickle cell anemia to be aware that pregnancy increases the risk of crisis.
Choice B reason: Low oxygen levels can trigger a sickle cell crisis³. Therefore, avoiding travel to cities where the oxygen level is lower can help prevent crises.
Choice C reason: While regular, moderate exercise can be beneficial, strenuous exercise can lead to dehydration and fatigue, which can trigger a sickle cell crisis⁹[^10^]¹¹. Therefore, the statement that strenuous exercise prevents the development of sickle cell crisis is not accurate.
Choice D reason: Commercial airlines have controlled cabin pressure and oxygen levels, so flying is generally safe for individuals with sickle cell disease¹²³. However, it's always best to discuss travel plans with a healthcare provider³. Therefore, avoiding flying on commercial airlines is not necessarily a requirement.
Choice E reason: Dehydration can increase the risk of a sickle cell crisis, so it's important to drink plenty of fluids, especially in hot weather³.
Correct Answer is C
Explanation
Choice A reason: The pain you have is because your heart valves are damaged is not the most appropriate response. This statement may apply to a client with valvular heart disease, but not necessarily to a client with coronary artery disease. The nurse should explain that coronary artery disease is a condition that affects the blood vessels that supply the heart, not the heart valves.
Choice B reason: Your heart muscle is weak and is not pumping forcefully is not the most appropriate response. This statement may apply to a client with heart failure, but not necessarily to a client with coronary artery disease. The nurse should explain that coronary artery disease is a condition that reduces the blood flow to the heart, not the heart's contractility.
Choice C reason: The pain is caused by decreased oxygen to the heart muscle is the most appropriate response. This statement accurately describes the cause of angina, which is the chest pain that occurs when the heart does not receive enough oxygen due to narrowed or blocked coronary arteries. The nurse should also inform the client about the factors that can trigger or relieve angina, such as physical exertion, emotional stress, cold weather, or nitroglycerin.
Choice D reason: The layers of your heart are weak and thin is not the most appropriate response. This statement may apply to a client with cardiomyopathy, but not necessarily to a client with coronary artery disease. The nurse should explain that coronary artery disease is a condition that affects the blood vessels that supply the heart, not the heart's structure.
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