Mental Health Question #3


The nurse in the emergency room receives a 74-year-old client with confusion, temperature of 101.2, heart rate 102, respiration 26, and blood pressure of 120/62. The client’s daughter states “The changes in his behavior came on so quickly! I wasn’t sure what was happening!” Which disorder does the nurse suspect?


  1. Early onset dementia.
    • Rationale:
  2. Alzheimer’s disease.
    • Rationale:
  3. Delirium
    • Rationale:
  4. Parkinson’s
    • Rationale:



Delirium is an acute process characterized by abrupt, spontaneous cognitive dysfunction. Behaviors may include paranoia, hallucinations, and confusion. It may be caused by infections such as urinary tract or pneumonia, electrolyte disturbance, severe lack of sleep, or medicine or alcohol overdose or withdrawal.

Learning Outcomes

Test Taking Tip

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