Certified Dietary Manager (CDM) Practice Exam

What condition is characterized by the loss of cognitive function associated with aging?

1. Parkinson’s Disease

2. Alzheimer's Disease

3. Multiple Sclerosis

4. Huntington's Disease

The correct answer is: Alzheimer's Disease

Alzheimer's Disease is specifically characterized by the progressive loss of cognitive function that often accompanies aging. It is considered one of the most common forms of dementia and is marked by symptoms such as memory loss, confusion, and difficulties with language and problem-solving. The condition typically starts with mild memory issues but can advance to significant impairment in the ability to perform everyday tasks. In contrast, the other conditions listed have different implications and symptoms. Parkinson’s Disease, for example, primarily affects motor functions and may lead to cognitive changes, but it is primarily defined by movement disorders such as tremors and rigidity. Multiple Sclerosis is an autoimmune disease that affects the central nervous system and can cause a variety of neurological symptoms, including some cognitive disturbances, but it is not predominantly linked to aging or the isolated loss of cognitive function. Huntington's Disease is a genetic disorder characterized by progressive motor dysfunction and cognitive decline but is distinct from normal aging processes and has an earlier onset typically in middle adulthood. Understanding these distinctions helps clarify why Alzheimer’s Disease is recognized specifically for its association with aging and the resultant cognitive decline that many experience as they grow older.