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Nutrition Final Exam Quizlet
1. What does a positive correlation between two variables indicate?
- A. One variable causes the other.
- B. Both variables move in the same direction.
- C. Both variables move in opposite directions.
- D. There is no relationship between the variables.
Correct answer: B
Rationale: A positive correlation between two variables indicates that they move in the same direction. This means that as one variable increases (or decreases), the other variable also increases (or decreases). Choice A is incorrect because correlation does not imply causation; it only shows a relationship between variables. Choice C is incorrect as it describes a negative correlation where variables move in opposite directions. Choice D is incorrect as a positive correlation implies a relationship between the variables.
2. What is an essential aspect of managing a child with juvenile idiopathic arthritis (JIA)?
- A. Encouraging joint mobility and physical therapy
- B. Restricting all forms of exercise
- C. Increasing sugar intake
- D. Using only oral medications
Correct answer: A
Rationale: Encouraging joint mobility and physical therapy is crucial in managing juvenile idiopathic arthritis (JIA). This approach helps maintain joint function, reduce stiffness, and improve the overall quality of life for children with JIA. Restricting all forms of exercise (Choice B) is not recommended, as appropriate physical activity is beneficial for joint health and overall well-being. Increasing sugar intake (Choice C) is not a recommended practice for managing JIA, as a healthy diet is important for overall well-being and can help reduce inflammation. Using only oral medications (Choice D) may not be sufficient for managing JIA, as a comprehensive treatment plan often includes a combination of medications, physical therapy, and other interventions to effectively manage the condition.
3. How should a healthcare provider respond to a parent concerned about their child's sleep pattern?
- A. Recommend a sleep study
- B. Suggest increasing daytime naps
- C. Provide education on sleep hygiene
- D. Advise on medication use
Correct answer: C
Rationale: When a parent expresses concerns about their child's sleep pattern, providing education on sleep hygiene is a beneficial response. Teaching parents about establishing a consistent sleep routine, creating a conducive sleep environment, and promoting healthy sleep habits can help address the child's sleep issues. This empowers the parent to make positive changes that can improve the child's sleep patterns. Recommending a sleep study (Choice A) may be premature and unnecessary without first addressing basic sleep hygiene. Suggesting increasing daytime naps (Choice B) may not always be appropriate and could further disrupt the child's nighttime sleep. Advising on medication use (Choice D) should be considered only after other non-pharmacological approaches have been tried and if deemed necessary by a healthcare provider.
4. 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.
5. 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.
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