HESI LPN
HESI PN Nutrition Practice Exam
1. What is the primary reason influencing most people's food choices?
- A. cost
- B. taste
- C. convenience
- D. nutritional value
Correct answer: B
Rationale: The primary reason most people choose the foods they eat is taste. While cost, convenience, and nutritional value also play a role in food choices, taste often takes precedence as people are more likely to select foods that they find appealing in flavor. Therefore, options A, C, and D are incorrect as taste is the chief factor influencing food choices.
2. What is a common symptom of a vitamin D deficiency in children?
- A. Frequent infections
- B. Bone pain and tenderness
- C. Excessive thirst
- D. Unexplained bruising
Correct answer: B
Rationale: Bone pain and tenderness are indeed common symptoms of vitamin D deficiency in children. Vitamin D plays a crucial role in bone health and growth. The deficiency can lead to weakened bones, causing pain and tenderness. Choices A, C, and D are incorrect. Frequent infections are not a typical symptom of vitamin D deficiency in children; excessive thirst is more commonly associated with conditions like diabetes, and unexplained bruising is not directly linked to vitamin D deficiency.
3. Which statement is true of minerals in their role as nutrients?
- A. They are organic compounds.
- B. They yield 4 kilocalories per gram.
- C. Some become dissolved in body fluids.
- D. Some are destroyed during cooking.
Correct answer: C
Rationale: The correct statement is that some minerals become dissolved in body fluids, making them available for absorption and utilization by the body. Minerals are not organic compounds, so choice A is incorrect. Choice B is incorrect because minerals do not provide energy like macronutrients such as carbohydrates and fats. Choice D is incorrect because minerals are elements and cannot be destroyed by cooking; however, their availability and absorption may be affected by cooking methods.
4. By chemical analysis, what nutrient is present in the highest amounts in most foods?
- A. fats
- B. water
- C. proteins
- D. carbohydrates
Correct answer: B
Rationale: The correct answer is B. Water is the most abundant nutrient in many foods. Water content varies across different foods, but in general, it is present in the highest amounts. Fats (Choice A) are essential but are not found in higher amounts compared to water. Proteins (Choice C) and carbohydrates (Choice D) are also important nutrients, but they are typically found in lower quantities in most foods compared to water.
5. What is a key dietary consideration for a child with phenylketonuria (PKU)?
- A. High-fiber diet
- B. Low-phenylalanine diet
- C. Increased dairy intake
- D. High-sodium diet
Correct answer: B
Rationale: A low-phenylalanine diet is crucial for managing PKU to prevent neurological damage and maintain normal development. Phenylalanine is an amino acid found in protein-containing foods, and individuals with PKU have difficulty metabolizing it. Consuming foods low in phenylalanine helps prevent the buildup of toxic byproducts in the body. Choices A, C, and D are incorrect. A high-fiber diet, increased dairy intake, and high-sodium diet are not specific dietary considerations for PKU management. In fact, dairy products are a source of protein and phenylalanine, which should be limited in PKU.
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