NP Nutrition & Diet Therapy 1 — Questions and Answers
Question 1: Which macronutrient provides the most energy per gram?
- Carbohydrates
- Protein
- Fat (Correct answer)
- Fiber
Correct answer: Fat
Dietary fat provides 9 kcal per gram, compared to 4 kcal/g for carbohydrates and protein.
Question 2: A naturopathic physician recommends an elimination diet to a patient with suspected food sensitivities. Which food group is most commonly eliminated first?
- Red meat and pork
- Gluten-containing grains and dairy (Correct answer)
- Cruciferous vegetables
- Citrus fruits and berries
Correct answer: Gluten-containing grains and dairy
Gluten and dairy are the most common dietary antigens and are typically the first eliminated in standard elimination diet protocols.
Question 3: Which dietary pattern is most strongly supported by evidence for reducing cardiovascular disease risk?
- Carnivore diet
- Mediterranean diet (Correct answer)
- High-protein low-fat diet
- Raw food diet
Correct answer: Mediterranean diet
The Mediterranean diet has the strongest evidence base for reducing cardiovascular disease risk, supported by large clinical trials such as PREDIMED.
Question 4: A patient presents with fatigue, pallor, and glossitis. Lab work shows low serum vitamin B12. Which dietary source would best help replete B12 levels?
- Spinach and kale
- Clams and beef liver (Correct answer)
- Almonds and sunflower seeds
- Whole grains and legumes
Correct answer: Clams and beef liver
Vitamin B12 is found almost exclusively in animal products, with clams and beef liver among the richest dietary sources.
Question 5: Which omega-3 fatty acid is considered most biologically active and is primarily found in fatty fish?
- Alpha-linolenic acid (ALA)
- Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) (Correct answer)
- Linoleic acid (LA)
- Gamma-linolenic acid (GLA)
Correct answer: Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA)
EPA and DHA are the long-chain omega-3 fatty acids with direct anti-inflammatory and cardiovascular benefits, found in fatty fish and fish oil.
Question 6: Which nutrient deficiency is most associated with impaired wound healing and compromised immune function?
- Calcium
- Zinc (Correct answer)
- Magnesium
- Potassium
Correct answer: Zinc
Zinc is essential for collagen synthesis, immune cell function, and inflammatory response, making deficiency a primary contributor to impaired wound healing.
Question 7: A naturopathic physician advises a vegan patient to monitor their intake of which nutrient to prevent megaloblastic anemia?
- Iron
- Vitamin D
- Vitamin B12 (Correct answer)
- Calcium
Correct answer: Vitamin B12
Vitamin B12 is absent from plant foods, and vegans must supplement or consume fortified foods to prevent megaloblastic anemia and neurological complications.
Which macronutrient provides the most energy per gram?