A patient is frequently late for appointments because he goes back to his room numerous times to assure himself that none of his belongings have been stolen. What does this behavior represent?

A. Chemical imbalance: Chemical imbalances are more commonly associated with mood disorders and not specifically with organic dementia.

B. Cerebral disease: Dementia is primarily due to changes in brain structure or function, such as those seen in Alzheimer’s disease or other neurodegenerative conditions.

C. Emotional problems: Emotional problems may contribute to other mental health issues but are not the primary cause of dementia.

D. Circulatory impairment: While circulatory problems can contribute to certain types of cognitive impairment, dementia itself is directly related to cerebral disease.

A. Age 55 and above: Age 55 is often considered middle-aged or early retirement age, not typically categorized as older adulthood.
B. Age 65 and above: The term older adulthood usually applies to individuals aged 65 and above, aligning with common retirement age and eligibility for senior benefits.
C. Age 75 and above: Age 75 is considered older adulthood but does not encompass all individuals typically categorized as older adults.
D. Age 70 and above: While age 70 is within the range of older adulthood, it does not include those aged 65 to 69, who are also considered older adults.