Question

Kristen, who was active in competitive sports throughout high school, has decided to run a marathon with some of her college friends. She has started training and monitors her miles, time, and calories using a wrist band and training app. She is 25 years old, 5 ft, 8 in. tall, and weighs 135 lb. She eats all sorts of foods, likes fruits and vegetables, but tries to avoid greasy foods. She says coffee is her downfall—she drinks 4–6 cups a day. She doesn't like sweets, although she keeps ice cream in her freezer. A family history notes that her mother needed angioplasty to treat occluded arteries shortly after menopause and that her father is not at risk for any chronic conditions. Although she would eventually like to have children, Kristen is not pregnant now. An analysis of a 24-hour dietary recall shows the following:

2090 cal

352 g carbohydrate (67% of calories)

41 g total fiber

34 mg iron

958 g calcium

690 mcg RAE vitamin A

98 g protein (19% of calories)

33 g fat (14% of calories) (7 g saturated fat, 1 g trans fat, 1.5 g omega-3 fatty acid, 99 mg cholesterol)

3343 mg sodium

158 mg vitamin C

5.0 mcg vitamin D

8.7 mg TE vitamin E

586 mcg DFE folic acid

283 mg choline

1. How many calories does Kristen need to maintain her weight?

2. Is she eating enough to support daily workouts?

3. Describe three health-promoting aspects of Kristen's diet?

4. Make three suggestions that could improve Kristen's diet.

Answer 1

1. According to age, weight , height and work out, the energy needed for her is 2060 Calories.

2. Her dietary calories are 2090/ day. So she is getting sufficient energy from her food.

3. The health promoting aspects of her diet are:

• There is balance between energy intake and energy expenditure
• Carbohydrates provide 67 % of her energy
• The total fat in the diet is 33 g (14% of calories) with only 7 g saturated fat and 1 g trans fat

4. To improve the diet

• Reduce sodium intake to 2300 mg or less.
• Increase the Calcium requirement to 1200- 1500 mg per day
• Increase the Vitamin D requirement to 15 mcg