NUTRITIONAL SCIENCE
1. Why is vitamin B12 considered essential for older adults?
Vitamin B12 helps in the absorption of calcium.
Vitamin B12 is important for muscle growth.
Vitamin B12 is essential for maintaining nerve function and
producing red blood cells.
Vitamin B12 is primarily used for energy production.
2. What is the essential substance that serves as a base for all metabolic
processes?
Carbohydrates
Protein
Water
Glycogen
3. If a nutritionist is creating a meal plan based on the MyPlate guidelines
for a client, which food group should they ensure is included to meet
dairy recommendations?
Rice
Chicken
Milk
Broccoli
4. Which resource provides nurses with the most current scientific and
medical research on nutrition available?
Nutrition Evidence Library (NEL)
, 2010 Advisory Committee
United States Food and Drug Administration (USDA)
Evidence-based practice
5. At what age do nutrient requirements typically begin to change
according to the guidelines?
60 years
50 years
40 years
70 years
6. Describe the role of the MyPlate framework in promoting balanced
nutrition.
The MyPlate framework focuses solely on calorie counting.
The MyPlate framework serves as a visual guide to help
individuals understand the proportions of different food
groups needed for a balanced diet.
The MyPlate framework emphasizes the exclusion of certain food
groups.
The MyPlate framework is only applicable to children.
7. Describe why whole fruits, such as oranges, are generally more nutrient-
dense than their processed counterparts like orange juice or soda.
Processed options are often fortified with vitamins, making them
more nutrient-dense.
Processed options are easier to digest than whole fruits.
Whole fruits have lower calorie content than processed options,
making them healthier.
, Whole fruits like oranges contain more fiber and nutrients
compared to processed options, which often have added
sugars and fewer vitamins.
8. Describe the purpose of dietary reference intakes in nutrition.
Dietary reference intakes provide a framework for meal
preparation.
Dietary reference intakes serve as guidelines for the optimal
intake of nutrients to promote health and prevent deficiencies.
Dietary reference intakes are used to measure physical activity
levels.
Dietary reference intakes focus solely on caloric intake.
9. For adults with heart failure (NYHA Classes I - IV/AHA Stages B, C and
D), the registered dietitian nutritionist (RDN) should individualize sodium
and fluid intake, within the ranges of __________ mg sodium per day and 1 -
2 L fluid per day.
1500-2500
3000-4000
2000-3000
1000-2000
10. What is the maximum percentage of total kilocalories that should come
from protein in a balanced diet?
15%
45%
35%
25%