Adult-Gerontology Clinical Nurse Specialist (CNS) Practice Exam

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Which nutrient is known to potentially improve mental performance in Alzheimer's patients?

Vitamin C
Vitamin B1 (thiamine)
Folic acid
Vitamin D

The correct answer is: Vitamin B1 (thiamine)

Vitamin B1, also known as thiamine, is known to potentially improve mental performance in Alzheimer's patients due to its crucial role in carbohydrate metabolism and its importance in supporting brain function. Thiamine is essential for converting glucose into energy, which is vital for the proper function of neurons in the brain. A deficiency in thiamine has been linked to cognitive decline and can exacerbate symptoms in patients suffering from Alzheimer’s disease. Research has shown that thiamine supplements may enhance cognitive function and ameliorate symptoms by supporting neural health and synaptic transmission. Given that energy metabolism is often impaired in Alzheimer's disease, ensuring adequate thiamine levels can be beneficial for maintaining cognitive abilities. Other nutrients, such as Vitamin C, folic acid, and Vitamin D, play various roles in overall health and may contribute to cognitive function, but the specific and significant relationship between thiamine and improved mental performance highlights its importance in this context.