Registered Dietetic Technician Test Registered Dietetic Technician Test Food Science & Dietary Planning 3 — Questions and Answers
Question 1: Which fatty acid type is associated with increased risk of cardiovascular disease and is found in partially hydrogenated oils?
- Monounsaturated fatty acids
- Polyunsaturated fatty acids
- Trans fatty acids (Correct answer)
- Omega-3 fatty acids
Correct answer: Trans fatty acids
Trans fatty acids from partial hydrogenation raise LDL and lower HDL cholesterol, significantly increasing cardiovascular disease risk.
Question 2: A therapeutic diet that limits purine-rich foods is prescribed to manage which condition?
- Celiac disease
- Gout (Correct answer)
- Osteoporosis
- Crohn's disease
Correct answer: Gout
Purines are metabolized to uric acid, and a low-purine diet helps reduce uric acid levels and prevent gout flares.
Question 3: Which dietary pattern has the strongest evidence base for reducing the risk of cardiovascular disease?
- Carnivore diet
- Mediterranean diet (Correct answer)
- Ketogenic diet
- Very low-fat diet
Correct answer: Mediterranean diet
The Mediterranean diet, rich in olive oil, fish, vegetables, and whole grains, has the strongest evidence for reducing cardiovascular disease risk.
Question 4: What is the primary function of the dietary reference intake (DRI) Tolerable Upper Intake Level (UL)?
- Recommend the minimum daily intake to prevent deficiency
- Indicate the highest level of nutrient intake unlikely to cause adverse health effects (Correct answer)
- Set the average nutrient requirement for a population group
- Define the nutrient content of a fortified food
Correct answer: Indicate the highest level of nutrient intake unlikely to cause adverse health effects
The UL is the maximum daily intake that is unlikely to cause adverse health effects in almost all individuals in the general population.
Question 5: Which type of vegetarian diet excludes all animal products including dairy and eggs?
- Lacto-vegetarian
- Ovo-vegetarian
- Vegan (Correct answer)
- Pescatarian
Correct answer: Vegan
A vegan diet excludes all animal-derived products including meat, poultry, fish, dairy, eggs, and often honey.
Question 6: Which mineral is critical for bone mineralization and works synergistically with vitamin D for calcium absorption?
- Iron
- Potassium
- Phosphorus (Correct answer)
- Magnesium
Correct answer: Phosphorus
Phosphorus is a major structural component of bone alongside calcium, and both nutrients work together in bone mineralization.
Registered Dietetic Technician Test Registered Dietetic Technician Test Food Science & Dietary Planning 3
Which fatty acid type is associated with increased risk of cardiovascular disease and is found in partially hydrogenated oils?