Living 6th Edition By Wendy Schiff,
Traci L. Keck Chapter 1-13
1. Which nutrient is the body's preferred source of energy?
A. Protein
B. Fat
C. Carbohydrate
D. Vitamin C
Answer: C. Carbohydrate
Solution: Carbohydrates are broken down into glucose, the body's primary fuel source.
2. Which nutrient provides 9 kcal per gram?
A. Carbohydrate
B. Protein
C. Fat
D. Water
Answer: C. Fat
Solution: Fat provides 9 kcal/g, while carbohydrates and protein provide 4 kcal/g.
3. Which nutrient is essential for growth and tissue repair?
A. Protein
B. Water
,C. Fiber
D. Vitamin A
Answer: A. Protein
Solution: Proteins provide amino acids needed for building and repairing tissues.
4. Which vitamin is known as the "sunshine vitamin"?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer: C. Vitamin D
Solution: Vitamin D can be synthesized in the skin when exposed to sunlight.
5. Which mineral is important for oxygen transport in the blood?
A. Calcium
B. Iron
C. Sodium
D. Potassium
Answer: B. Iron
Solution: Iron is a component of hemoglobin, which carries oxygen.
6. Which nutrient contains no calories?
A. Fat
B. Protein
C. Water
D. Carbohydrate
Answer: C. Water
Solution: Water is essential but does not provide energy.
, 7. What is the main function of dietary fiber?
A. Build muscle
B. Improve digestion
C. Supply iron
D. Produce hormones
Answer: B. Improve digestion
Solution: Fiber helps maintain healthy bowel function.
8. Which food is highest in protein?
A. Apple
B. Chicken breast
C. Rice
D. Orange juice
Answer: B. Chicken breast
Solution: Chicken breast is a rich source of high-quality protein.
9. Which vitamin helps blood clotting?
A. Vitamin A
B. Vitamin D
C. Vitamin E
D. Vitamin K
Answer: D. Vitamin K
Solution: Vitamin K is necessary for normal blood clotting.
10. Which nutrient helps regulate body temperature?
A. Water
B. Iron