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1. A patient with chronic kidney disease requires dietary modifications.
Which nutrient should be primarily limited?
 - A) Carbohydrates
 - B) Proteins
 - C) Fats
 - D) Vitamins
 Answer: B) Proteins
 Rationale: Patients with chronic kidney disease need to limit protein
intake to reduce the workload on the kidneys, which are responsible for
filtering waste products from the blood.
2. Which vitamin is most important for calcium absorption in the body?
 - A) Vitamin A
 - B) Vitamin C
 - C) Vitamin D
 - D) Vitamin E
 Answer: C) Vitamin D
 Rationale: Vitamin D enhances the absorption of calcium from the gut,
which is crucial for bone health and prevention of osteoporosis.
3. When educating a patient with celiac disease about gluten-free diet,
which grain should be avoided?
 - A) Rice
 - B) Quinoa
 - C) Barley
 - D) Corn
 Answer: C) Barley
 Rationale: Barley contains gluten, which can damage the small intestine
in individuals with celiac disease.
4. A nurse is assessing a patient's risk for vitamin B12 deficiency. Which
of the following factors would increase the risk?
 - A) Vegan diet
 - B) High meat consumption
 - C) Use of antacid medications
 - D) Both A and C
 Answer: D) Both A and C
 Rationale: A vegan diet lacks animal products, the primary source ofÂ
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