HESI LPN
HESI PN Nutrition Practice Exam
1. What does the term 'essential nutrient' refer to?
- A. A nutrient that can be synthesized by the body.
- B. A nutrient that is required for proper body functioning.
- C. A nutrient that must be obtained from the diet because the body cannot produce it.
- D. A nutrient that can be stored in the body for long periods.
Correct answer: C
Rationale: The correct answer is C. An essential nutrient is a substance that is necessary for normal body functioning but cannot be synthesized in adequate amounts by the body, therefore it must be obtained from the diet. Choices A, B, and D are incorrect because essential nutrients are not synthesized by the body, they are necessary for body functioning, and they are not typically stored in the body for long periods.
2. Which of the following statements about nutrition is true?
- A. Nutrition is the only factor that influences health.
- B. Nutrient needs are the same for everyone.
- C. Certain nutrients are more important than others.
- D. Nutrient recommendations are designed to meet the needs of most healthy people.
Correct answer: D
Rationale: The correct answer is D. Nutrient recommendations are designed to meet the needs of most healthy people, providing guidelines for a balanced diet. Choice A is incorrect because while nutrition plays a crucial role in health, it is not the only factor influencing it. Choice B is incorrect as nutrient needs vary based on factors like age, gender, activity level, and health status. Choice C is incorrect because all nutrients are essential for different bodily functions, and none can be deemed universally more important than others.
3. 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.
4. When an increase in exercise is accompanied by a decrease in body weight, it is an example of what?
- A. variable effect
- B. positive correlation
- C. negative correlation
- D. randomization effect
Correct answer: C
Rationale: When an increase in exercise is accompanied by a decrease in body weight, it demonstrates a negative correlation. This means that as one variable (exercise) increases, the other variable (body weight) decreases. Choice A, 'variable effect,' is vague and does not accurately describe the relationship between exercise and body weight. Choice B, 'positive correlation,' is incorrect because in a positive correlation, both variables would increase or decrease together. Choice D, 'randomization effect,' is unrelated to the scenario described.
5. What is a common complication of untreated type 1 diabetes in children?
- A. Diabetic ketoacidosis
- B. High blood pressure
- C. Asthma
- D. Frequent infections
Correct answer: A
Rationale: Diabetic ketoacidosis is a serious complication of untreated type 1 diabetes in children. It is characterized by high blood sugar levels, ketones in the urine, and acidosis. Prompt medical attention is required to manage this condition. High blood pressure (Choice B) can be a complication of diabetes but is not as directly linked to untreated type 1 diabetes as diabetic ketoacidosis. Asthma (Choice C) and frequent infections (Choice D) are not typically associated with untreated type 1 diabetes in children.
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