what is one major weakness of a laboratory based study
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Nutrition Final Exam Quizlet

1. What is one major weakness of a laboratory-based study?

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.

2. What is a common symptom of Kawasaki disease?

Correct answer: A

Rationale: The correct answer is A. Persistent fever lasting more than 5 days is a hallmark symptom of Kawasaki disease, often accompanied by rash and conjunctivitis. Excessive vomiting (choice B), sudden weight gain (choice C), and decreased appetite (choice D) are not typically associated with Kawasaki disease. Therefore, choices B, C, and D can be eliminated as they do not align with the common symptoms of Kawasaki disease.

3. How should a healthcare professional handle a child with a new diagnosis of ADHD?

Correct answer: A

Rationale: When dealing with a child newly diagnosed with ADHD, providing behavioral therapy and support is crucial. This approach helps the child learn coping strategies, improve social skills, and manage their symptoms effectively. Choice B, increasing sugar intake, is incorrect as there is no evidence linking sugar consumption to ADHD. Choice C, restricting all forms of exercise, is inappropriate as regular physical activity can actually benefit children with ADHD by helping them release excess energy and improve focus. Choice D, avoiding medication use, may not be the best course of action as medication prescribed by a healthcare professional can sometimes be beneficial in managing ADHD symptoms when combined with other therapies.

4. What is the primary goal in managing a child with chronic asthma?

Correct answer: A

Rationale: The primary goal in managing a child with chronic asthma is to achieve and maintain symptom control. This helps improve the child's quality of life by reducing asthma symptoms and exacerbations. Choice B is incorrect because avoiding all physical activity is not recommended for children with asthma; in fact, regular physical activity can be beneficial. Choice C is incorrect as increasing dietary sodium is not a primary goal in managing asthma. Choice D is incorrect because restricting medication use can lead to uncontrolled asthma symptoms and complications.

5. In what position does the Pavlik harness hold a child's femurs for developmental hip dysplasia?

Correct answer: A

Rationale: The Pavlik harness is designed to position a child's femurs in abduction for developmental hip dysplasia. Abduction helps align the hip joint correctly and promotes proper development in cases of hip dysplasia. Adduction (choice B) brings the legs closer to the midline, which is not the desired position in this condition. Flexion (choice C) refers to bending at a joint, while extension (choice D) is the opposite of flexion. However, in the case of developmental hip dysplasia, abduction is crucial for the Pavlik harness to work effectively.

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