Which of the following is a common symptom exhibited by individuals with Alzheimer's disease?

• A. Frequent panic attacks triggered by specific phobias
• B. Sudden onset of hallucinations without memory impairment
• C. Consistent periods of mania and elevated mood
• D. Progressive memory loss and confusion

Answer: (D)

Verified step by step guidance

1. Understand that Alzheimer's disease is a neurodegenerative disorder primarily affecting memory and cognitive functions.
2. Recognize that common symptoms include progressive memory loss, confusion, difficulty with problem-solving, and changes in behavior.
3. Evaluate each option by comparing it to typical Alzheimer's symptoms: frequent panic attacks and phobias are more related to anxiety disorders; sudden hallucinations without memory issues are not characteristic of Alzheimer's; periods of mania relate more to bipolar disorder.
4. Identify that progressive memory loss and confusion align with the hallmark symptoms of Alzheimer's disease.
5. Conclude that the symptom 'Progressive memory loss and confusion' is the correct choice as it reflects the typical clinical presentation of Alzheimer's disease.