A nurse is caring for a client who the provider suspects might have pernicious anemia. The nurse should expect the provider to prescribe which of the following diagnostic tests?
Schilling test
Haptoglobin
Sweat test
Antinuclear antibodies
The Correct Answer is A
A. Schilling test: This is the correct answer. The Schilling test is used to diagnose pernicious anemia, which is caused by vitamin B12 deficiency. The test measures the absorption of vitamin B12 in the gastrointestinal tract.
B. Haptoglobin: Haptoglobin is a test used to assess hemolysis and is not specific for pernicious anemia.
C. Sweat test: The sweat test is used to diagnose cystic fibrosis and is not relevant to the diagnosis of pernicious anemia.
D. Antinuclear antibodies: Antinuclear antibodies are tested to diagnose autoimmune disorders, such as systemic lupus erythematosus (SLE), and are not specific to pernicious anemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Serum amylase: Serum amylase is an enzyme associated with pancreatic function, and its elevation is not specific to myocardial infarction.
B. Unconjugated bilirubin: Elevation of unconjugated bilirubin is associated with liver function and hemolysis, not specifically with myocardial infarction.
C. Aspartate aminotransferase (AST): While AST may be elevated in conditions affecting the heart, it is not as specific or sensitive for myocardial infarction as troponin I.
D. Troponin I: This is the correct answer. Troponin I is a cardiac-specific biomarker released into the bloodstream when there is damage to cardiac muscle, such as during a myocardial infarction. Troponin I levels start to rise within 3-4 hours after the onset of myocardial infarction, making it a crucial marker for early detection.
Correct Answer is D
Explanation
A. Dependent edema: Dependent edema is more commonly associated with right-sided heart failure. In left-sided heart failure, fluid accumulates in the lungs, leading to pulmonary symptoms such as cough and frothy sputum.
B. Jugular distention: Jugular distention is often associated with right-sided heart failure due to impaired blood flow from the right atrium into the right ventricle. It is less likely to be prominent in left-sided heart failure.
C. Nocturnal polyuria: Nocturnal polyuria (increased urination at night) is a common symptom of heart failure, but it is not specific to left-sided heart failure. It can be seen in both left- and right-sided heart failure.
D. Frothy sputum: This is the correct answer. Left-sided heart failure can lead to pulmonary congestion, resulting in the accumulation of fluid in the lungs. Frothy, pink-tinged sputum is a characteristic finding in left-sided heart failure and is often associated with pulmonary edema.
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