1. What is the primary role of antioxidants in the body?
A. Improve muscle growth
B. Protect cells from oxidative stress
C. Provide energy during exercise
D. Support digestion
Answer: B) Protect cells from oxidative stress
Rationale: Antioxidants neutralize free radicals in the body,
helping to prevent cellular damage, aging, and the development of
chronic diseases.
2. Which of the following foods is a source of omega-3 fatty acids?
A. Beef
B. Salmon
C. Pork
D. Cheese
Answer: B) Salmon
Rationale: Fatty fish like salmon is an excellent source of omega-3
fatty acids, which have anti-inflammatory properties and support
heart health.
,3. Which of the following is a key difference between type 1 and
type 2 diabetes?
A. Type 1 diabetes is primarily caused by lifestyle factors
B. Type 1 diabetes is an autoimmune condition that destroys
insulin-producing cells
C. Type 2 diabetes results from a lack of insulin production
D. Type 2 diabetes is most common in childhood
Answer: B) Type 1 diabetes is an autoimmune condition that
destroys insulin-producing cells
Rationale: Type 1 diabetes is an autoimmune disorder where the
immune system attacks and destroys the insulin-producing cells of
the pancreas. Type 2 diabetes is typically related to insulin
resistance.
4. Which macronutrient provides the most concentrated form of
energy per gram?
A. Carbohydrates
B. Proteins
C. Fats
D. Water
Answer: C) Fats
Rationale: Fats provide 9 calories per gram, while carbohydrates
and proteins each provide 4 calories per gram, making fats the
most energy-dense macronutrient.
, 5. The primary function of the liver in digestion is to:
A. Produce digestive enzymes
B. Absorb nutrients
C. Synthesize bile
D. Break down carbohydrates
Answer: C) Synthesize bile
Rationale: The liver produces bile, which is stored in the
gallbladder and aids in the digestion and absorption of fats.
6. Which of the following vitamins is water-soluble?
A. Vitamin A
B. Vitamin D
C. Vitamin C
D. Vitamin K
Answer: C) Vitamin C
Rationale: Vitamin C is a water-soluble vitamin that is involved in
collagen synthesis, antioxidant function, and immune support.
7. Which of the following is a symptom of dehydration?
A. Increased appetite
B. Dark yellow urine
A. Improve muscle growth
B. Protect cells from oxidative stress
C. Provide energy during exercise
D. Support digestion
Answer: B) Protect cells from oxidative stress
Rationale: Antioxidants neutralize free radicals in the body,
helping to prevent cellular damage, aging, and the development of
chronic diseases.
2. Which of the following foods is a source of omega-3 fatty acids?
A. Beef
B. Salmon
C. Pork
D. Cheese
Answer: B) Salmon
Rationale: Fatty fish like salmon is an excellent source of omega-3
fatty acids, which have anti-inflammatory properties and support
heart health.
,3. Which of the following is a key difference between type 1 and
type 2 diabetes?
A. Type 1 diabetes is primarily caused by lifestyle factors
B. Type 1 diabetes is an autoimmune condition that destroys
insulin-producing cells
C. Type 2 diabetes results from a lack of insulin production
D. Type 2 diabetes is most common in childhood
Answer: B) Type 1 diabetes is an autoimmune condition that
destroys insulin-producing cells
Rationale: Type 1 diabetes is an autoimmune disorder where the
immune system attacks and destroys the insulin-producing cells of
the pancreas. Type 2 diabetes is typically related to insulin
resistance.
4. Which macronutrient provides the most concentrated form of
energy per gram?
A. Carbohydrates
B. Proteins
C. Fats
D. Water
Answer: C) Fats
Rationale: Fats provide 9 calories per gram, while carbohydrates
and proteins each provide 4 calories per gram, making fats the
most energy-dense macronutrient.
, 5. The primary function of the liver in digestion is to:
A. Produce digestive enzymes
B. Absorb nutrients
C. Synthesize bile
D. Break down carbohydrates
Answer: C) Synthesize bile
Rationale: The liver produces bile, which is stored in the
gallbladder and aids in the digestion and absorption of fats.
6. Which of the following vitamins is water-soluble?
A. Vitamin A
B. Vitamin D
C. Vitamin C
D. Vitamin K
Answer: C) Vitamin C
Rationale: Vitamin C is a water-soluble vitamin that is involved in
collagen synthesis, antioxidant function, and immune support.
7. Which of the following is a symptom of dehydration?
A. Increased appetite
B. Dark yellow urine
