PrepIQ Kentucky KY Dietitian and Nutritionist Dual
Ultimate Exam
**Question 1**. Which macronutrient provides the highest amount of energy per gram?
A) Protein
B) Carbohydrate
C) Fat
D) Alcohol
Answer: C
Explanation: Fat supplies 9 kcal/g, more than protein or carbohydrate (4 kcal/g each).
**Question 2**. The primary function of dietary fiber is to:
A) Increase blood glucose levels
B) Provide essential amino acids
C) Enhance gastrointestinal motility
D) Supply vitamin D
Answer: C
Explanation: Fiber adds bulk and speeds transit through the intestines.
**Question 3**. In the Nutrition Care Process, the “P” in a PES statement stands for:
A) Plan
B) Problem
C) Prescription
D) Prevention
Answer: B
Explanation: PES stands for Problem, Etiology, Signs/Symptoms.
, PrepIQ Kentucky KY Dietitian and Nutritionist Dual
Ultimate Exam
**Question 4**. Which vitamin deficiency is most commonly associated with night blindness?
A) Vitamin A
B) Vitamin B12
C) Vitamin C
D) Vitamin D
Answer: A
Explanation: Vitamin A is essential for retinal pigment regeneration.
**Question 5**. The most accurate method for assessing body composition in clinical settings is:
A) BMI calculation
B) Skinfold thickness
C) Dual‑energy X‑ray absorptiometry (DEXA)
D) Bioelectrical impedance analysis (BIA)
Answer: C
Explanation: DEXA provides precise measurements of bone, fat, and lean mass.
**Question 6**. Which of the following is a complete protein source?
A) Rice
B) Beans
C) Quinoa
D) Corn
Answer: C
Explanation: Quinoa contains all essential amino acids.
, PrepIQ Kentucky KY Dietitian and Nutritionist Dual
Ultimate Exam
**Question 7**. The Recommended Dietary Allowance (RDA) for vitamin C for adult men is:
A) 30 mg/day
B) 60 mg/day
C) 90 mg/day
D) 120 mg/day
Answer: C
Explanation: The RDA for adult men is 90 mg/day.
**Question 8**. A dietitian uses the “5‑A’s” model in counseling. The “A” that follows “Assess” is:
A) Advise
B) Agree
C) Assist
D) Arrange
Answer: A
Explanation: The sequence is Assess, Advise, Agree, Assist, Arrange.
**Question 9**. Which food preservation method relies on low temperature to inhibit microbial
growth?
A) Canning
B) Fermentation
C) Freezing
D) Irradiation
Answer: C
Explanation: Freezing slows microbial metabolism by reducing temperature.
, PrepIQ Kentucky KY Dietitian and Nutritionist Dual
Ultimate Exam
**Question 10**. The primary site of carbohydrate digestion is the:
A) Stomach
B) Small intestine
C) Large intestine
D) Mouth
Answer: D
Explanation: Salivary amylase initiates carbohydrate digestion in the mouth.
**Question 11**. Which mineral is a cofactor for the enzyme pyruvate dehydrogenase?
A) Calcium
B) Magnesium
C) Zinc
D) Thiamine (B1)
Answer: D
Explanation: Thiamine pyrophosphate is required for pyruvate dehydrogenase activity.
**Question 12**. In evidence‑based practice, a p‑value < 0.05 indicates:
A) Strong clinical significance
B) High probability the result is due to chance
C) Statistical significance
D) Large effect size
Answer: C
Explanation: A p‑value below 0.05 suggests the findings are unlikely due to random variation.
Ultimate Exam
**Question 1**. Which macronutrient provides the highest amount of energy per gram?
A) Protein
B) Carbohydrate
C) Fat
D) Alcohol
Answer: C
Explanation: Fat supplies 9 kcal/g, more than protein or carbohydrate (4 kcal/g each).
**Question 2**. The primary function of dietary fiber is to:
A) Increase blood glucose levels
B) Provide essential amino acids
C) Enhance gastrointestinal motility
D) Supply vitamin D
Answer: C
Explanation: Fiber adds bulk and speeds transit through the intestines.
**Question 3**. In the Nutrition Care Process, the “P” in a PES statement stands for:
A) Plan
B) Problem
C) Prescription
D) Prevention
Answer: B
Explanation: PES stands for Problem, Etiology, Signs/Symptoms.
, PrepIQ Kentucky KY Dietitian and Nutritionist Dual
Ultimate Exam
**Question 4**. Which vitamin deficiency is most commonly associated with night blindness?
A) Vitamin A
B) Vitamin B12
C) Vitamin C
D) Vitamin D
Answer: A
Explanation: Vitamin A is essential for retinal pigment regeneration.
**Question 5**. The most accurate method for assessing body composition in clinical settings is:
A) BMI calculation
B) Skinfold thickness
C) Dual‑energy X‑ray absorptiometry (DEXA)
D) Bioelectrical impedance analysis (BIA)
Answer: C
Explanation: DEXA provides precise measurements of bone, fat, and lean mass.
**Question 6**. Which of the following is a complete protein source?
A) Rice
B) Beans
C) Quinoa
D) Corn
Answer: C
Explanation: Quinoa contains all essential amino acids.
, PrepIQ Kentucky KY Dietitian and Nutritionist Dual
Ultimate Exam
**Question 7**. The Recommended Dietary Allowance (RDA) for vitamin C for adult men is:
A) 30 mg/day
B) 60 mg/day
C) 90 mg/day
D) 120 mg/day
Answer: C
Explanation: The RDA for adult men is 90 mg/day.
**Question 8**. A dietitian uses the “5‑A’s” model in counseling. The “A” that follows “Assess” is:
A) Advise
B) Agree
C) Assist
D) Arrange
Answer: A
Explanation: The sequence is Assess, Advise, Agree, Assist, Arrange.
**Question 9**. Which food preservation method relies on low temperature to inhibit microbial
growth?
A) Canning
B) Fermentation
C) Freezing
D) Irradiation
Answer: C
Explanation: Freezing slows microbial metabolism by reducing temperature.
, PrepIQ Kentucky KY Dietitian and Nutritionist Dual
Ultimate Exam
**Question 10**. The primary site of carbohydrate digestion is the:
A) Stomach
B) Small intestine
C) Large intestine
D) Mouth
Answer: D
Explanation: Salivary amylase initiates carbohydrate digestion in the mouth.
**Question 11**. Which mineral is a cofactor for the enzyme pyruvate dehydrogenase?
A) Calcium
B) Magnesium
C) Zinc
D) Thiamine (B1)
Answer: D
Explanation: Thiamine pyrophosphate is required for pyruvate dehydrogenase activity.
**Question 12**. In evidence‑based practice, a p‑value < 0.05 indicates:
A) Strong clinical significance
B) High probability the result is due to chance
C) Statistical significance
D) Large effect size
Answer: C
Explanation: A p‑value below 0.05 suggests the findings are unlikely due to random variation.
