Exam 2: NR228/ NR 228 (2026/2027) Nutrition, Health & Wellness Review| Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Chamberlain

Exam 2: NR228/ NR 228 (2026/2027) Nutrition, Health & Wellness Review| Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Chamberlain
NR-228 / NR 228 Nutrition, Health & Wellness
Practice Exam 2 Questions and correct Answers
(Verified Answers) 2026 | CHAMBERLAIN
UNIVERSITY
1. Which nutrient is the primary source of energy for the body?
a) Protein
b) Fat
c) Carbohydrates
d) Vitamins
Rationale:
Carbohydrates are the body's preferred and primary source of energy because
they are quickly metabolized into glucose, which fuels cellular activities.
2. What is the function of dietary fiber in human nutrition?
a) Provides energy
b) Promotes bowel regularity and aids digestion
c) Builds muscle tissue
d) Enhances vitamin absorption
Rationale:
Dietary fiber adds bulk to the stool and promotes healthy bowel movements,
preventing constipation. It also helps regulate blood sugar and cholesterol
levels.
3. Which vitamin is essential for calcium absorption and bone health?
a) Vitamin A
b) Vitamin D
c) Vitamin C
d) Vitamin K
Rationale:
Vitamin D facilitates calcium absorption in the gut, which is crucial for
maintaining healthy bones and preventing diseases such as rickets and
osteoporosis.
4. Which mineral is most important for oxygen transport in the blood?
a) Calcium
b) Magnesium
c) Iron
d) Potassium
Rationale:
Iron is a key component of hemoglobin, the molecule in red blood cells
responsible for transporting oxygen from the lungs to tissues.
5. A patient has a high sodium intake. What health risk is most associated with
excessive sodium consumption?
a) Osteoporosis
b) Diabetes mellitus
c) Hypertension
d) Anemia
Rationale:
Excessive sodium intake is strongly linked to high blood pressure
(hypertension), which increases the risk for cardiovascular diseases.
6. What is the role of antioxidants in nutrition?
a) To provide energy
b) To neutralize free radicals and reduce oxidative stress
c) To aid in protein synthesis
d) To increase calcium absorption
Rationale:
Antioxidants protect the body by neutralizing free radicals, which can cause
cellular damage and contribute to chronic diseases such as cancer and heart
disease.
7. Which macronutrient is important for tissue repair and immune function?
a) Protein
b) Fat
c) Carbohydrates
d) Vitamins
Rationale:
Proteins provide amino acids necessary for the repair of tissues and the
production of enzymes and antibodies that support immune function.

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