NDTR Exam 2026/2027 | 300 Practice Questions, Correct Answers & Detailed Rationales | Nutrition & Dietetics Technician Registered

NDTR Exam 2026/2027 | 300 Practice Questions, Correct Answers &
Detailed Rationales | Nutrition & Dietetics Technician Registered

Question 1
Which nutrient provides the greatest amount of energy per gram?
A. Carbohydrate
B. Protein
C. Fat
D. Water
Correct Answer: C. Fat
Rationale: Fat provides approximately 9 kcal per gram, while carbohydrate
and protein provide approximately 4 kcal per gram. Water provides no
energy.

Question 2
Which organ is primarily responsible for absorbing most digested
nutrients?
A. Stomach
B. Small intestine
C. Large intestine
D. Pancreas
Correct Answer: B. Small intestine
Rationale: The small intestine is the primary site of digestion and
absorption of carbohydrates, proteins, fats, vitamins, minerals, and water.

Question 3
Which carbohydrate is classified as a monosaccharide?
A. Lactose
B. Sucrose
C. Glucose
D. Maltose
Correct Answer: C. Glucose

,Rationale: Glucose is a single-unit carbohydrate and therefore a
monosaccharide. Lactose, sucrose, and maltose are disaccharides.

Question 4
Which enzyme begins carbohydrate digestion in the mouth?
A. Pepsin
B. Salivary amylase
C. Lipase
D. Trypsin
Correct Answer: B. Salivary amylase
Rationale: Salivary amylase begins breaking starch into smaller
carbohydrate molecules during chewing.

Question 5
Which vitamin is fat-soluble?
A. Vitamin C
B. Thiamin
C. Vitamin B12
D. Vitamin A
Correct Answer: D. Vitamin A
Rationale: Vitamins A, D, E, and K are fat-soluble vitamins. Vitamins B and
C are water-soluble.

Question 6
Which mineral is essential for hemoglobin formation?
A. Calcium
B. Iron
C. Sodium
D. Potassium
Correct Answer: B. Iron
Rationale: Iron is a component of hemoglobin, the protein in red blood
cells responsible for transporting oxygen.

,Question 7
Which food is a complete protein source?
A. White rice
B. Apples
C. Eggs
D. Olive oil
Correct Answer: C. Eggs
Rationale: Eggs contain all nine essential amino acids in adequate
proportions and are considered a high-quality complete protein.

Question 8
Which condition is characterized by inadequate intake or absorption of
nutrients?
A. Malnutrition
B. Hypertension
C. Osteoarthritis
D. Hyperlipidemia
Correct Answer: A. Malnutrition
Rationale: Malnutrition includes deficiencies, excesses, or imbalances in
energy and nutrient intake and utilization.

Question 9
Which measurement is commonly used to estimate body mass relative to
height?
A. Waist circumference
B. BMI
C. Mid-arm circumference
D. Skinfold thickness
Correct Answer: B. BMI
Rationale: Body mass index, or BMI, is calculated from weight and height
and is used as a screening measure of weight status.

, Question 10
Which nutrient is the body's primary preferred source of energy?
A. Carbohydrate
B. Protein
C. Vitamin C
D. Calcium
Correct Answer: A. Carbohydrate
Rationale: Carbohydrate is generally the body's preferred and most readily
available source of energy, particularly for the brain and working muscles.

Question 11
Which type of fat is generally associated with increased LDL cholesterol
when consumed in excess?
A. Saturated fat
B. Omega-3 fat
C. Monounsaturated fat
D. Polyunsaturated fat
Correct Answer: A. Saturated fat
Rationale: High intake of saturated fat can raise LDL cholesterol, which is
associated with increased cardiovascular disease risk.

Question 12
Which food is naturally rich in vitamin C?
A. Orange
B. Butter
C. Chicken breast
D. White rice
Correct Answer: A. Orange
Rationale: Citrus fruits such as oranges are excellent sources of vitamin C,
which supports collagen synthesis and immune function.