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Medical Emergencies · single question

Which statement about Alzheimer's disease is correct?

  1. Memory is preserved until the terminal stage
  2. Patients experience aphasia and apraxia
  3. It is fully reversible with cholinesterase inhibitors
  4. Motor tremor is the earliest presenting sign
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Correct answer: B. Patients experience aphasia and apraxia

  • A. Memory impairment is the EARLIEST and most prominent feature.
  • B. Correct. The classic cortical dementia picture includes the four A's — amnesia, aphasia, apraxia and agnosia. Apraxia is directly relevant dentally, since patients lose the motor sequencing needed for toothbrushing.
  • C. Cholinesterase inhibitors modestly slow progression; there is no cure.
  • D. Resting tremor characterizes Parkinson's disease, not Alzheimer's.

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