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Exam 1: NR228 / NR 228 ( Update 2026/2027) Nutrition, Health & Wellness: Complete Guide with Questions and Answers -Chamberlain
Exam 1: NR228 / NR 228 ( Update
2026/2027) Nutrition, Health & Wellness:
Complete Guide with Questions and
Answers -Chamberlain
Q: Functions of Essential Nutrients in the BodyAnswer:
Providing energy
Regulating body processes
Aiding growth and repair of body tissues
Q: Kcal value- Protein--
Answer:
4
Q: Kcal value- Carbs
Answer:
4
Q: Kcalvalue- Lipids(fats)
Answer:
9
Q: Kcal Value- Alcohol
Answer:
7
Q: CarbohydratesAnswer:
organic compounds composed of carbon, hydrogen, and oxy- gen in the form of simple
carbohydrates or sugars
Source of energy, sweetness, and dietary fiber
------------------------------------------------ Major source of energy and dietary fiber
Simple carbohydrates found in fruits, milk, and sweeteners
Complex carbohydrates found in cereals, grains, fruits, and vegetables
All except dietary fiber broken down to units of glucose
Glucose: most efficient form of energy for body
Q: food source of carbsAnswer:
Primarily from plants
•Divided into two categories
•Simple carbohydrates
•Complex carbohydrates
•Three sizes:
•Monosaccharides (Simple)
•Disaccharides (Simple)
•Polysaccharides (Complex)
Q: Monosaccharides
Answer:
Single carbohydrate units. Examples are glucose, fructose and galactose
Q: Disaccharides
Answer:
Two single carbohydrates bound together. Examples are Su- crose, maltose, and lactose
Q: Polysaccharides
Answer:
Many units of monosaccharides joined together. Starch, Fiber and glycogen
Q: carb function in bodyAnswer:
Provides energy •Dietary fiber•Naturally occurring sweeteners (sucrose and fructose) •Brain and
nerve tissues require CHO (glucose) as fuel.•Protein-sparing effect
Q: Carbs- digestion
Answer:
Digestive process begins in mouth: Amylase•Breakdown to monosaccharides•Mechanical
digestion•Chemical digestion function of enzymes
Q: Carbs-absorption
Answer:
Active transport process of glucose
•Liver conversion of fructose and galactose to glucose lactose intolerant
Q: carbs-metabolism
Answer:
Blood glucose: source of energy to all cells Metabolism: primarily maintenance of blood
glucose homeostasis at 70 to 100 mg/dLÂÂ
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