An elderly woman in a nursing home no longer goes outside to enjoy the sunshine and fresh air, has reduced her meat intake because her dentures don't fit well, and has recently been having difficulty concentrating on conversations with others. she may be developing a deficiency of which vitamins?

a. vitamin d and vitamin b12

b. vitamin k and riboflavin

c. vitamin c and thiamin

d. vitamin c and vitamin e

e. vitamin a and folate

a. vitamin d and vitamin b12

Explanation:

Vitamins are groups of organic compounds that are essential in small quantities for healthy human growth, metabolism, development, and body function. Vitamins are found in plants and animal foods or sometimes produced synthetically. Deficiencies of specific vitamins produce specific disorders. Vitamin d and vitamin b12 are important vitamins that the body needs. The body produces vitamin D when the skin is exposed to sunlight and it is very essential for strong bones, while vitamin b12 is naturally present in meats. Deficiency of vitamin d in the body can result in bone problems (including teeth) and it has also been linked to depression. Vitamin b12 deficiency can also affect mental functions by causing disorientation, memory loss, depression and confusion.  

From the question, the elderly woman may be developing a deficiency of vitamin d and vitamin b12.

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