WGU Nutrition D440 Competed Study
Guide Questions with Verified Solutions
What is the purpose of the MyPlate food guide?
The MyPlate food guide helps individuals make healthier food choices by illustrating the
five food groups and their recommended proportions.
How can one achieve a balanc...
WGU Nutrition D440 Competed Study
Guide Questions with Verified Solutions
What is the purpose of the MyPlate food guide?
✔✔The MyPlate food guide helps individuals make healthier food choices by illustrating the
five food groups and their recommended proportions.
How can one achieve a balanced diet?
✔✔A balanced diet can be achieved by consuming a variety of foods from all food groups in
appropriate proportions.
What is the impact of high sugar intake on health?
✔✔High sugar intake can lead to weight gain, increased risk of chronic diseases like diabetes
and heart disease, and dental problems.
What are antioxidants, and why are they important?
✔✔Antioxidants are compounds that protect the body from oxidative stress and may reduce the
risk of chronic diseases.
1
,What factors can influence an individual's nutritional needs?
✔✔Factors influencing nutritional needs include age, gender, activity level, health status, and
life stage (such as pregnancy or lactation).
What is the role of dietary fiber in digestion?
✔✔Dietary fiber aids in digestion by promoting regular bowel movements and preventing
constipation.
How do processed foods typically differ from whole foods?
✔✔Processed foods often contain added sugars, fats, and preservatives, whereas whole foods are
minimally altered and retain their natural nutrients.
What are the six essential nutrients required by the human body?
✔✔The six essential nutrients are carbohydrates, proteins, fats, vitamins, minerals, and water.
What is the primary function of carbohydrates in the diet?
✔✔The primary function of carbohydrates is to provide the body with energy.
2
,How many calories per gram do carbohydrates provide?
✔✔Carbohydrates provide 4 calories per gram.
What is the difference between soluble and insoluble fiber?
✔✔Soluble fiber dissolves in water and can help lower cholesterol, while insoluble fiber does
not dissolve in water and aids in digestive health.
What are complete proteins?
✔✔Complete proteins contain all nine essential amino acids required for human nutrition.
Which foods are considered sources of complete proteins?
✔✔Sources of complete proteins include animal products like meat, fish, eggs, and dairy, as well
as some plant-based sources like quinoa and soy.
What role do fats play in the body?
✔✔Fats provide energy, support cell growth, protect organs, and help in the absorption of certain
vitamins.
3
, How many calories per gram do fats provide?
✔✔Fats provide 9 calories per gram.
What is the significance of essential fatty acids?
✔✔Essential fatty acids are necessary for health but cannot be produced by the body, so they
must be obtained through diet.
What are the two types of essential fatty acids?
✔✔The two types of essential fatty acids are omega-3 and omega-6 fatty acids.
What is the main function of vitamins in the body?
✔✔Vitamins play a crucial role in various metabolic processes and are essential for maintaining
overall health.
What are fat-soluble vitamins?
✔✔Fat-soluble vitamins are vitamins A, D, E, and K, which can be stored in the body's fatty
tissues.
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