1. Which of the following is an effect of dehydration on the body?
A. Increased blood circulation
B. Reduced cognitive function and physical performance
C. Improved kidney function
D. Higher energy levels
Answer: B) Reduced cognitive function and physical performance
Rationale: Dehydration impairs cognitive function, reduces
physical performance, and can lead to dizziness, fatigue, and poor
concentration.
2. What is the role of bile in digestion?
A. To break down proteins into amino acids
B. To emulsify fats, aiding in their digestion
C. To neutralize stomach acid
D. To absorb water from the intestines
Answer: B) To emulsify fats, aiding in their digestion
Rationale: Bile is produced by the liver and stored in the
gallbladder, and its role is to emulsify fats, making them easier to
digest and absorb in the small intestine.
3. Which of the following best describes a food allergy?
A. An adverse reaction to food due to poor digestion
B. An immune system reaction to a harmless substance in food
,C. A response to high levels of sugar in food
D. A result of an intolerance to certain food additives
Answer: B) An immune system reaction to a harmless substance in
food
Rationale: A food allergy occurs when the immune system
mistakenly identifies a food protein as harmful and reacts
accordingly, leading to symptoms that can range from mild to
severe.
4. What is the main function of the liver in metabolism?
A. To store glucose as glycogen
B. To store fats for energy
C. To break down proteins into amino acids
D. To regulate body temperature
Answer: A) To store glucose as glycogen
Rationale: The liver stores glucose in the form of glycogen and
releases it into the bloodstream when energy is needed.
5. What is the primary function of the small intestine in
digestion?
A. To store food temporarily
B. To absorb most of the nutrients from food
C. To break down fats
D. To neutralize stomach acid
Answer: B) To absorb most of the nutrients from food
, Rationale: The small intestine is responsible for the majority of
nutrient absorption from digested food, aided by enzymes and
bile.
6. Which of the following is a benefit of eating a variety of
colorful fruits and vegetables?
A. They provide essential fatty acids for energy
B. They offer a wide range of antioxidants, vitamins, and minerals
C. They are high in simple carbohydrates
D. They provide large amounts of protein
Answer: B) They offer a wide range of antioxidants, vitamins, and
minerals
Rationale: Colorful fruits and vegetables are rich in a variety of
essential nutrients, including antioxidants, vitamins, and minerals,
that support overall health.
7. Which of the following vitamins is essential for the absorption
of calcium in the body?
A. Vitamin C
B. Vitamin A
C. Vitamin D
D. Vitamin K
Answer: C) Vitamin D
Rationale: Vitamin D is crucial for calcium absorption in the
intestines, which is essential for maintaining bone health.
A. Increased blood circulation
B. Reduced cognitive function and physical performance
C. Improved kidney function
D. Higher energy levels
Answer: B) Reduced cognitive function and physical performance
Rationale: Dehydration impairs cognitive function, reduces
physical performance, and can lead to dizziness, fatigue, and poor
concentration.
2. What is the role of bile in digestion?
A. To break down proteins into amino acids
B. To emulsify fats, aiding in their digestion
C. To neutralize stomach acid
D. To absorb water from the intestines
Answer: B) To emulsify fats, aiding in their digestion
Rationale: Bile is produced by the liver and stored in the
gallbladder, and its role is to emulsify fats, making them easier to
digest and absorb in the small intestine.
3. Which of the following best describes a food allergy?
A. An adverse reaction to food due to poor digestion
B. An immune system reaction to a harmless substance in food
,C. A response to high levels of sugar in food
D. A result of an intolerance to certain food additives
Answer: B) An immune system reaction to a harmless substance in
food
Rationale: A food allergy occurs when the immune system
mistakenly identifies a food protein as harmful and reacts
accordingly, leading to symptoms that can range from mild to
severe.
4. What is the main function of the liver in metabolism?
A. To store glucose as glycogen
B. To store fats for energy
C. To break down proteins into amino acids
D. To regulate body temperature
Answer: A) To store glucose as glycogen
Rationale: The liver stores glucose in the form of glycogen and
releases it into the bloodstream when energy is needed.
5. What is the primary function of the small intestine in
digestion?
A. To store food temporarily
B. To absorb most of the nutrients from food
C. To break down fats
D. To neutralize stomach acid
Answer: B) To absorb most of the nutrients from food
, Rationale: The small intestine is responsible for the majority of
nutrient absorption from digested food, aided by enzymes and
bile.
6. Which of the following is a benefit of eating a variety of
colorful fruits and vegetables?
A. They provide essential fatty acids for energy
B. They offer a wide range of antioxidants, vitamins, and minerals
C. They are high in simple carbohydrates
D. They provide large amounts of protein
Answer: B) They offer a wide range of antioxidants, vitamins, and
minerals
Rationale: Colorful fruits and vegetables are rich in a variety of
essential nutrients, including antioxidants, vitamins, and minerals,
that support overall health.
7. Which of the following vitamins is essential for the absorption
of calcium in the body?
A. Vitamin C
B. Vitamin A
C. Vitamin D
D. Vitamin K
Answer: C) Vitamin D
Rationale: Vitamin D is crucial for calcium absorption in the
intestines, which is essential for maintaining bone health.
