NR 222: Week 3 Nutrition & Physical Activity Comprehensive Quiz
2026 |Chamberlain
1. Which macronutrient is the body’s primary source of energy, providing 4
calories per gram?
A. Fats
B. Carbohydrates
C. Proteins
D. Vitamins
Answer: B
Rationale: Carbohydrates are the main source of fuel for the body, especially for the brain
and during exercise.
2. A Body Mass Index (BMI) of 27.5 kg/m2 is classified as:
A. Underweight
B. Normal weight
C. Obese
D. Overweight
Answer: D
Rationale: BMI between 25 and 29.9 is classified as overweight.
,3. Which vitamin is essential for blood clotting and is often given as a
supplement to newborns?
A. Vitamin A
B. Vitamin D
C. Vitamin K
D. Vitamin E
Answer: C
Rationale: Vitamin K is necessary for the synthesis of clotting factors in the liver.
4. The nurse is teaching a patient about complete proteins. Which food should
be included?
A. Eggs
B. Rice
C. Beans
D. Whole wheat bread
Answer: A
Rationale: Animal products like eggs contain all essential amino acids and are considered
complete proteins.
5. How many calories are provided by one gram of fat?
A. 4 calories
B. 7 calories
C. 9 calories
D. 12 calories
Answer: C
Rationale: Fats are energy-dense, providing 9 kcal/g compared to 4 kcal/g for carbs and
proteins.
, 6. Which mineral deficiency is the most common cause of anemia worldwide?
A. Calcium
B. Magnesium
C. Iron
D. Zinc
Answer: C
Rationale: Iron is a key component of hemoglobin; deficiency leads to iron-deficiency
anemia.
7. The MyPlate guidelines recommend that what percentage of the plate should
consist of fruits and vegetables?
A. 50%
B. 33%
C. 25%
D. 75%
Answer: A
Rationale: MyPlate suggests filling half the plate with fruits and vegetables for a balanced
diet.
8. Which of the following is a water-soluble vitamin?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin E
Answer: B
Rationale: Vitamins B and C are water-soluble, meaning they are not stored in the body
and must be consumed regularly.
2026 |Chamberlain
1. Which macronutrient is the body’s primary source of energy, providing 4
calories per gram?
A. Fats
B. Carbohydrates
C. Proteins
D. Vitamins
Answer: B
Rationale: Carbohydrates are the main source of fuel for the body, especially for the brain
and during exercise.
2. A Body Mass Index (BMI) of 27.5 kg/m2 is classified as:
A. Underweight
B. Normal weight
C. Obese
D. Overweight
Answer: D
Rationale: BMI between 25 and 29.9 is classified as overweight.
,3. Which vitamin is essential for blood clotting and is often given as a
supplement to newborns?
A. Vitamin A
B. Vitamin D
C. Vitamin K
D. Vitamin E
Answer: C
Rationale: Vitamin K is necessary for the synthesis of clotting factors in the liver.
4. The nurse is teaching a patient about complete proteins. Which food should
be included?
A. Eggs
B. Rice
C. Beans
D. Whole wheat bread
Answer: A
Rationale: Animal products like eggs contain all essential amino acids and are considered
complete proteins.
5. How many calories are provided by one gram of fat?
A. 4 calories
B. 7 calories
C. 9 calories
D. 12 calories
Answer: C
Rationale: Fats are energy-dense, providing 9 kcal/g compared to 4 kcal/g for carbs and
proteins.
, 6. Which mineral deficiency is the most common cause of anemia worldwide?
A. Calcium
B. Magnesium
C. Iron
D. Zinc
Answer: C
Rationale: Iron is a key component of hemoglobin; deficiency leads to iron-deficiency
anemia.
7. The MyPlate guidelines recommend that what percentage of the plate should
consist of fruits and vegetables?
A. 50%
B. 33%
C. 25%
D. 75%
Answer: A
Rationale: MyPlate suggests filling half the plate with fruits and vegetables for a balanced
diet.
8. Which of the following is a water-soluble vitamin?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin E
Answer: B
Rationale: Vitamins B and C are water-soluble, meaning they are not stored in the body
and must be consumed regularly.
