Final answer:
The nurse should advise the older adult client on personalized nutritional requirements, potentially including increased protein intake and assessing the need for calcium and vitamin D supplementation based on individual health status and dietary intake.
Step-by-step explanation:
When teaching an older adult client about nutritional recommendations, the nurse should focus on the individual needs of the client considering age, gender, health status, and activity level. It is not generally recommended for older adults to increase daily calorie intake unless they are underweight or have higher energy requirements due to increased activity or health conditions. Instead, emphasis should be on nutrient density and balance. Increase in daily protein intake might be appropriate to maintain muscle mass and repair tissues, as protein requirements may be higher for older adults.
Many older adults do not get sufficient calcium and vitamin D from their diet or from sun exposure. Therefore, the statement 'You receive an adequate amount of calcium from your diet, so a supplement is not recommended' and 'You receive an adequate amount of vitamin D from sun exposure, so it is not necessary to take a supplement' cannot be universally applied. Each individual's circumstances should be assessed before such recommendations are made. Vitamin D is critical for bone health and calcium absorption, and supplementation may be necessary for some individuals, especially those at risk for osteoporosis.