JMU Nutrition 280 (Theimer) Midterm Practice Exam
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Which of the following is considered one of the six essential classes of
nutrients?
A. Alcohol
B. Fiber
C. Vitamins
D. Phytochemicals
Correct Answer: C. Vitamins
Rationale: The six essential nutrient classes are carbohydrates,
proteins, fats (lipids), vitamins, minerals, and water. Vitamins are
organic compounds required in small amounts to support numerous
metabolic processes.
Which nutrient provides the body's primary source of energy during
moderate-intensity exercise?
A. Protein
,B. Carbohydrate
C. Vitamin C
D. Water
Correct Answer: B. Carbohydrate
Rationale: Carbohydrates are the body's preferred fuel source because
they are rapidly converted into glucose for energy production.
One gram of fat provides approximately how many kilocalories?
A. 2 kcal
B. 4 kcal
C. 7 kcal
D. 9 kcal
Correct Answer: D. 9 kcal
Rationale: Fat is the most energy-dense macronutrient, supplying 9
kcal per gram compared with 4 kcal for carbohydrates and protein.
Which organ is responsible for producing bile?
A. Pancreas
B. Gallbladder
,C. Liver
D. Small intestine
Correct Answer: C. Liver
Rationale: The liver synthesizes bile, which emulsifies dietary fats. The
gallbladder stores and concentrates bile until needed.
Most nutrient absorption occurs in the:
A. Stomach
B. Small intestine
C. Large intestine
D. Esophagus
Correct Answer: B. Small intestine
Rationale: The small intestine has specialized structures called villi and
microvilli that maximize nutrient absorption.
Which vitamin is classified as fat-soluble?
A. Vitamin C
B. Vitamin B12
C. Vitamin D
, D. Vitamin B6
Correct Answer: C. Vitamin D
Rationale: Vitamins A, D, E, and K are fat-soluble and require dietary
fat for optimal absorption.
Which nutrient contains nitrogen?
A. Fat
B. Protein
C. Carbohydrate
D. Cholesterol
Correct Answer: B. Protein
Rationale: Proteins are unique among the macronutrients because they
contain nitrogen, which is essential for tissue growth and repair.
Which dietary guideline recommends making at least half of all grains
consumed whole grains?
A. DASH Diet
B. MyPlate
C. Mediterranean Diet
D. Ketogenic Diet
(Latest 2026) || Most Recent Exam 2026|2027
Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already
Graded A+ | Guaranteed Success!! Newest
Exam | Just Released!!
Which of the following is considered one of the six essential classes of
nutrients?
A. Alcohol
B. Fiber
C. Vitamins
D. Phytochemicals
Correct Answer: C. Vitamins
Rationale: The six essential nutrient classes are carbohydrates,
proteins, fats (lipids), vitamins, minerals, and water. Vitamins are
organic compounds required in small amounts to support numerous
metabolic processes.
Which nutrient provides the body's primary source of energy during
moderate-intensity exercise?
A. Protein
,B. Carbohydrate
C. Vitamin C
D. Water
Correct Answer: B. Carbohydrate
Rationale: Carbohydrates are the body's preferred fuel source because
they are rapidly converted into glucose for energy production.
One gram of fat provides approximately how many kilocalories?
A. 2 kcal
B. 4 kcal
C. 7 kcal
D. 9 kcal
Correct Answer: D. 9 kcal
Rationale: Fat is the most energy-dense macronutrient, supplying 9
kcal per gram compared with 4 kcal for carbohydrates and protein.
Which organ is responsible for producing bile?
A. Pancreas
B. Gallbladder
,C. Liver
D. Small intestine
Correct Answer: C. Liver
Rationale: The liver synthesizes bile, which emulsifies dietary fats. The
gallbladder stores and concentrates bile until needed.
Most nutrient absorption occurs in the:
A. Stomach
B. Small intestine
C. Large intestine
D. Esophagus
Correct Answer: B. Small intestine
Rationale: The small intestine has specialized structures called villi and
microvilli that maximize nutrient absorption.
Which vitamin is classified as fat-soluble?
A. Vitamin C
B. Vitamin B12
C. Vitamin D
, D. Vitamin B6
Correct Answer: C. Vitamin D
Rationale: Vitamins A, D, E, and K are fat-soluble and require dietary
fat for optimal absorption.
Which nutrient contains nitrogen?
A. Fat
B. Protein
C. Carbohydrate
D. Cholesterol
Correct Answer: B. Protein
Rationale: Proteins are unique among the macronutrients because they
contain nitrogen, which is essential for tissue growth and repair.
Which dietary guideline recommends making at least half of all grains
consumed whole grains?
A. DASH Diet
B. MyPlate
C. Mediterranean Diet
D. Ketogenic Diet
