NURS 6501: Final Exam: Please contact Your Favorite Professor for help with NURS 6501: Final Exam or any other assignment. Email: professorrobertphd@gmail.com   Which of the following clinical characteristics is most typical of vascular dementia? Group of answer choices

• Stepwise deterioration in cognitive function
• Presence of neurofibrillary tangles and amyloid plaques
• Early development of hallucinations and parkinsonian features
• Insidious onset with slow, progressive cognitive decline

The correct answer is: Stepwise deterioration in cognitive function   Explanation: Vascular dementia is caused by impaired blood flow to the brain (e.g., from strokes or small vessel disease), leading to cognitive decline. Its most typical clinical characteristic is:

• Stepwise deterioration: Cognitive decline occurs in a staircase-like pattern, with sudden worsening after vascular events (e.g., strokes) followed by periods of stability.

Why not the others?

• Neurofibrillary tangles and amyloid plaques: These are hallmarks of Alzheimer’s disease, not vascular dementia.
• Hallucinations and parkinsonian features: These are more typical of Lewy body dementia.
• Insidious onset with slow, progressive decline: This describes Alzheimer’s disease, not the abrupt changes seen in vascular dementia.

Thus, stepwise deterioration is the most distinguishing feature of vascular dementia.