The client asks the nurse if there is a diagnostic test that confirms the diagnosis of Alzheimer's disease. Which response, by the nurse, identifies how the diagnosis is confirmed?
A) "Alzheimer's disease is confirmed by validating mental decline and ruling out other diseases."
B) "Alzheimer's disease is confirmed by the presence of biomarkers found in the blood."
C) "Alzheimer's disease is evident on an MRI that highlights tangles in the brain."
D) "Alzheimer's disease is diagnosed when acetylcholine is found in spinal fluid."
A
Feedback:
Much research is being done to determine a diagnostic test confirming Alzheimer's disease. The nurse is most correct to confirm that Alzheimer's disease is currently validated by noting mental decline and ruling out all other disease processes. Upon autopsy, neurofibrillary tangles are noted. There currently is not a test using biomarkers for Alzheimer's disease. An MRI is used to exclude other disease processes and is not specific for Alzheimer's disease. Acetylcholine may result in cognitive deficits but is not found in the spinal fluid.
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