[HAADDietitian] HAAD Dietitian DOH
Licensureination for Dietitian Certification
Exam Preparation
**Question 1. Which macronutrient provides the highest caloric density per gram?**
A) Carbohydrate
B) Protein
C) Alcohol
D) Fat
Answer: D
Explanation: Fat supplies 9 kcal/g, more than carbohydrate or protein (4 kcal/g) and alcohol (7
kcal/g).
**Question 2. In the digestion of carbohydrates, the enzyme that hydrolyzes maltose into two
glucose molecules is:**
A) Lactase
B) Sucrase
C) Maltase
D) Isomaltase
Answer: C
Explanation: Maltase specifically cleaves the α‑1,4‑glycosidic bond in maltose to yield two
glucose units.
**Question 3. Which vitamin deficiency is most commonly associated with night blindness?**
A) Vitamin A
B) Vitamin D
C) Vitamin B12
D) Vitamin K
, [HAADDietitian] HAAD Dietitian DOH
Licensureination for Dietitian Certification
Exam Preparation
Answer: A
Explanation: Vitamin A is essential for rhodopsin synthesis; its deficiency impairs low‑light
vision.
**Question 4. The primary site of iron absorption in the gastrointestinal tract is the:**
A) Stomach
B) Duodenum
C) Jejunum
D) Ileum
Answer: B
Explanation: Non‑heme iron is most efficiently absorbed in the duodenum and proximal
jejunum.
**Question 5. Which of the following is a characteristic sign of protein‑energy malnutrition in
adults?**
A) Peripheral edema
B) Hyperglycemia
C) Muscle wasting
D) Macrocytic anemia
Answer: C
Explanation: Protein‑energy malnutrition leads to loss of lean body mass, manifesting as muscle
wasting.
**Question 6. In the Nutrition Care Process, the “P” in a PES statement stands for:**
A) Problem
, [HAADDietitian] HAAD Dietitian DOH
Licensureination for Dietitian Certification
Exam Preparation
B) Patient
C) Plan
D) Priority
Answer: A
Explanation: PES = Problem, Etiology, Signs/Symptoms; the “P” identifies the nutrition problem.
**Question 7. Which screening tool is most appropriate for identifying risk of malnutrition in
hospitalized adults?**
A) PHQ‑9
B) MUST (Malnutrition Universal Screening Tool)
C) MMSE
D) FRAX
Answer: B
Explanation: MUST is a validated instrument to detect adults at risk of malnutrition in clinical
settings.
**Question 8. A 65‑year‑old patient with chronic kidney disease stage 4 has a serum potassium
of 5.8 mmol/L. Which dietary recommendation is most appropriate?**
A) Increase banana intake
B) Limit processed meats and dried fruits
C) Add potassium‑rich vegetables to each meal
D) Encourage salt substitutes containing potassium
Answer: B
Explanation: Hyperkalemia requires restriction of high‑potassium foods such as processed
meats and dried fruits.
, [HAADDietitian] HAAD Dietitian DOH
Licensureination for Dietitian Certification
Exam Preparation
**Question 9. The recommended dietary allowance (RDA) for calcium for adult women aged
19‑50 years is:**
A) 500 mg/day
B) 800 mg/day
C) 1000 mg/day
D) 1300 mg/day
Answer: C
Explanation: The RDA for calcium for women 19‑50 years is 1000 mg per day.
**Question 10. Which of the following foods is the best source of vitamin B12?**
A) Spinach
B) Lentils
C) Fortified breakfast cereal
D) Beef liver
Answer: D
Explanation: Vitamin B12 is naturally abundant in animal products; beef liver contains the
highest amounts.
**Question 11. In an enteral feeding formula, the term “polymer” refers to:**
A) Free amino acids
B) Short‑chain fatty acids
C) Whole protein molecules
D) Simple sugars
Licensureination for Dietitian Certification
Exam Preparation
**Question 1. Which macronutrient provides the highest caloric density per gram?**
A) Carbohydrate
B) Protein
C) Alcohol
D) Fat
Answer: D
Explanation: Fat supplies 9 kcal/g, more than carbohydrate or protein (4 kcal/g) and alcohol (7
kcal/g).
**Question 2. In the digestion of carbohydrates, the enzyme that hydrolyzes maltose into two
glucose molecules is:**
A) Lactase
B) Sucrase
C) Maltase
D) Isomaltase
Answer: C
Explanation: Maltase specifically cleaves the α‑1,4‑glycosidic bond in maltose to yield two
glucose units.
**Question 3. Which vitamin deficiency is most commonly associated with night blindness?**
A) Vitamin A
B) Vitamin D
C) Vitamin B12
D) Vitamin K
, [HAADDietitian] HAAD Dietitian DOH
Licensureination for Dietitian Certification
Exam Preparation
Answer: A
Explanation: Vitamin A is essential for rhodopsin synthesis; its deficiency impairs low‑light
vision.
**Question 4. The primary site of iron absorption in the gastrointestinal tract is the:**
A) Stomach
B) Duodenum
C) Jejunum
D) Ileum
Answer: B
Explanation: Non‑heme iron is most efficiently absorbed in the duodenum and proximal
jejunum.
**Question 5. Which of the following is a characteristic sign of protein‑energy malnutrition in
adults?**
A) Peripheral edema
B) Hyperglycemia
C) Muscle wasting
D) Macrocytic anemia
Answer: C
Explanation: Protein‑energy malnutrition leads to loss of lean body mass, manifesting as muscle
wasting.
**Question 6. In the Nutrition Care Process, the “P” in a PES statement stands for:**
A) Problem
, [HAADDietitian] HAAD Dietitian DOH
Licensureination for Dietitian Certification
Exam Preparation
B) Patient
C) Plan
D) Priority
Answer: A
Explanation: PES = Problem, Etiology, Signs/Symptoms; the “P” identifies the nutrition problem.
**Question 7. Which screening tool is most appropriate for identifying risk of malnutrition in
hospitalized adults?**
A) PHQ‑9
B) MUST (Malnutrition Universal Screening Tool)
C) MMSE
D) FRAX
Answer: B
Explanation: MUST is a validated instrument to detect adults at risk of malnutrition in clinical
settings.
**Question 8. A 65‑year‑old patient with chronic kidney disease stage 4 has a serum potassium
of 5.8 mmol/L. Which dietary recommendation is most appropriate?**
A) Increase banana intake
B) Limit processed meats and dried fruits
C) Add potassium‑rich vegetables to each meal
D) Encourage salt substitutes containing potassium
Answer: B
Explanation: Hyperkalemia requires restriction of high‑potassium foods such as processed
meats and dried fruits.
, [HAADDietitian] HAAD Dietitian DOH
Licensureination for Dietitian Certification
Exam Preparation
**Question 9. The recommended dietary allowance (RDA) for calcium for adult women aged
19‑50 years is:**
A) 500 mg/day
B) 800 mg/day
C) 1000 mg/day
D) 1300 mg/day
Answer: C
Explanation: The RDA for calcium for women 19‑50 years is 1000 mg per day.
**Question 10. Which of the following foods is the best source of vitamin B12?**
A) Spinach
B) Lentils
C) Fortified breakfast cereal
D) Beef liver
Answer: D
Explanation: Vitamin B12 is naturally abundant in animal products; beef liver contains the
highest amounts.
**Question 11. In an enteral feeding formula, the term “polymer” refers to:**
A) Free amino acids
B) Short‑chain fatty acids
C) Whole protein molecules
D) Simple sugars
