.A 75-year-old lactose-intolerant patient complains that her appetite has decreased over the last month and that she has been experiencing pain in her bones.She is concerned that she is not getting enough vitamin D.Using your knowledge of vitamin D,what recommendation can you give her?

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Quizplus · Accepted Answer

Vitamin D provitamins are found in fish liver oils, egg yolks, and fortified commercial dairy products such as whole milk, butter, bread, and cereals. The daily recommended dietary allowance (RDA) for vitamin D is 200 IU for men and women. Elderly people may be house-bound, incapacitated, or institutionalized so that exposure to sunlight for vitamin D conversion in the skin is not a daily routine. It has been suggested that this may be complicated by the use of sunscreen products (SPF), which decrease the UV activity on the skin. Finally, conditions of lactose intolerance, avoidance of dairy products because of potential constipation, or decreased appetite may contribute to an overall decrease in vitamin D absorption in older people.

A 75-Year-Old Lactose-Intolerant Patient Complains That Her Appetite Has Decreased