PA Dietitian-Nutritionist Licensing
Examination (CDR) Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2025|2026 Q&A |
Instant Download Pdf
1. Which nutrient is the primary source of energy for the brain?
a) Protein
b) Fat
c) Carbohydrate
d) Vitamin C
Rationale: Carbohydrates are broken down into glucose, the primary
energy source for the brain.
2. The RDA for protein in healthy adults is approximately:
a) 0.5 g/kg/day
b) 0.8 g/kg/day
, c) 1.5 g/kg/day
d) 2 g/kg/day
Rationale: The Recommended Dietary Allowance (RDA) for protein
for healthy adults is 0.8 g/kg/day.
3. Which vitamin is essential for calcium absorption?
a) Vitamin A
b) Vitamin K
c) Vitamin D
d) Vitamin E
Rationale: Vitamin D facilitates intestinal absorption of calcium and
phosphorus.
4. Which macronutrient has the highest caloric density per gram?
a) Carbohydrate
b) Protein
c) Fat
d) Alcohol
Rationale: Fat provides 9 kcal/g, more than carbohydrates or protein
(4 kcal/g).
5. A patient with pernicious anemia most likely has a deficiency in:
a) Iron
b) Vitamin B6
c) Vitamin B12
d) Folate
, Rationale: Pernicious anemia is caused by lack of intrinsic factor
leading to vitamin B12 deficiency.
6. The main function of dietary fiber includes:
a) Providing energy
b) Improving bowel regularity
c) Building muscle
d) Enhancing protein absorption
Rationale: Dietary fiber adds bulk to stool and helps regulate bowel
movements.
7. Which lipid is considered heart-healthy?
a) Trans fats
b) Saturated fats
c) Monounsaturated fats
d) Hydrogenated oils
Rationale: Monounsaturated fats can help reduce LDL cholesterol
and improve heart health.
8. The nitrogen balance formula is used to assess:
a) Carbohydrate needs
b) Protein status
c) Fat intake
d) Fluid requirements
Rationale: Nitrogen balance measures the difference between
nitrogen intake and loss to evaluate protein status.
, 9. The main source of omega-3 fatty acids is:
a) Red meat
b) Butter
c) Fatty fish
d) Corn oil
Rationale: Omega-3 fatty acids, especially EPA and DHA, are
abundant in fatty fish like salmon and mackerel.
10. In malnutrition, serum albumin is often:
a) Decreased
b) Increased
c) Unchanged
d) Variable
Rationale: Albumin decreases in chronic protein-energy malnutrition
and is a marker of nutritional status.
11. Which vitamin functions as an antioxidant?
a) Vitamin B12
b) Vitamin C
c) Vitamin D
d) Vitamin K
Rationale: Vitamin C neutralizes free radicals, acting as an
antioxidant.
12. The primary storage form of glucose in the liver is:
a) Glycogen
Examination (CDR) Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2025|2026 Q&A |
Instant Download Pdf
1. Which nutrient is the primary source of energy for the brain?
a) Protein
b) Fat
c) Carbohydrate
d) Vitamin C
Rationale: Carbohydrates are broken down into glucose, the primary
energy source for the brain.
2. The RDA for protein in healthy adults is approximately:
a) 0.5 g/kg/day
b) 0.8 g/kg/day
, c) 1.5 g/kg/day
d) 2 g/kg/day
Rationale: The Recommended Dietary Allowance (RDA) for protein
for healthy adults is 0.8 g/kg/day.
3. Which vitamin is essential for calcium absorption?
a) Vitamin A
b) Vitamin K
c) Vitamin D
d) Vitamin E
Rationale: Vitamin D facilitates intestinal absorption of calcium and
phosphorus.
4. Which macronutrient has the highest caloric density per gram?
a) Carbohydrate
b) Protein
c) Fat
d) Alcohol
Rationale: Fat provides 9 kcal/g, more than carbohydrates or protein
(4 kcal/g).
5. A patient with pernicious anemia most likely has a deficiency in:
a) Iron
b) Vitamin B6
c) Vitamin B12
d) Folate
, Rationale: Pernicious anemia is caused by lack of intrinsic factor
leading to vitamin B12 deficiency.
6. The main function of dietary fiber includes:
a) Providing energy
b) Improving bowel regularity
c) Building muscle
d) Enhancing protein absorption
Rationale: Dietary fiber adds bulk to stool and helps regulate bowel
movements.
7. Which lipid is considered heart-healthy?
a) Trans fats
b) Saturated fats
c) Monounsaturated fats
d) Hydrogenated oils
Rationale: Monounsaturated fats can help reduce LDL cholesterol
and improve heart health.
8. The nitrogen balance formula is used to assess:
a) Carbohydrate needs
b) Protein status
c) Fat intake
d) Fluid requirements
Rationale: Nitrogen balance measures the difference between
nitrogen intake and loss to evaluate protein status.
, 9. The main source of omega-3 fatty acids is:
a) Red meat
b) Butter
c) Fatty fish
d) Corn oil
Rationale: Omega-3 fatty acids, especially EPA and DHA, are
abundant in fatty fish like salmon and mackerel.
10. In malnutrition, serum albumin is often:
a) Decreased
b) Increased
c) Unchanged
d) Variable
Rationale: Albumin decreases in chronic protein-energy malnutrition
and is a marker of nutritional status.
11. Which vitamin functions as an antioxidant?
a) Vitamin B12
b) Vitamin C
c) Vitamin D
d) Vitamin K
Rationale: Vitamin C neutralizes free radicals, acting as an
antioxidant.
12. The primary storage form of glucose in the liver is:
a) Glycogen
