HESI LPN
Nutrition Final Exam
1. What should be monitored closely in a child receiving chemotherapy?
- A. Blood glucose levels
- B. White blood cell count
- C. Blood pressure
- D. Heart rate
Correct answer: B
Rationale: The correct answer is B: White blood cell count. During chemotherapy, it is crucial to monitor the white blood cell count closely to detect potential neutropenia (low white blood cell count) and the associated risk of infections. Monitoring blood glucose levels (Choice A) is important for diabetic management and not directly related to chemotherapy. Blood pressure (Choice C) and heart rate (Choice D) are essential vital signs to monitor but are not the primary focus when monitoring a child receiving chemotherapy.
2. Which nutrient source yields more than 4 kcalories per gram?
- A. plant fats
- B. plant proteins
- C. animal proteins
- D. plant carbohydrates
Correct answer: A
Rationale: The correct answer is plant fats (Choice A). Fats, including plant fats, provide 9 kcalories per gram, which is more than 4 kcalories. Plant proteins (Choice B) and animal proteins (Choice C) provide 4 kcalories per gram. Plant carbohydrates (Choice D) also provide 4 kcalories per gram. Therefore, Choices B, C, and D are incorrect because they do not yield more than 4 kcalories per gram.
3. 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.
4. What is one major weakness of a laboratory-based study?
- A. The costs are typically prohibitive.
- B. Findings are difficult to replicate.
- C. Results from animal testing cannot be applied to human beings.
- D. Experimental variables cannot be easily controlled.
Correct answer: C
Rationale: One major weakness of laboratory-based studies is that results from animal testing cannot always be applied to human beings. This limitation arises due to the inherent biological differences between animals and humans, making the generalization of findings challenging. While costs may be a concern in some cases, they do not represent a universal weakness of laboratory-based studies. Findings in such studies can be replicated to ensure validity, and experimental variables can be effectively controlled in a laboratory setting. Choice C is the correct answer because the translatability of results from animal studies to humans is a significant challenge in laboratory-based research, impacting the direct application of findings to human health and well-being.
5. What is the primary goal in managing a child with asthma?
- A. Prevent triggering asthma attacks
- B. Avoid triggering asthma attacks
- C. Administer corticosteroids
- D. Increase physical activity
Correct answer: B
Rationale: The primary goal in managing a child with asthma is to avoid triggering asthma attacks. This involves managing allergens, ensuring proper medication use, and creating an asthma action plan. Choice A is incorrect because the goal is to avoid triggering asthma attacks, not necessarily to prevent recurrent infections. Choice C is incorrect as corticosteroids are a treatment option but not the primary goal of asthma management. Choice D is incorrect because although physical activity is important, the primary goal is to prevent asthma attacks and manage symptoms effectively.
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