Nursing Elites

1. What is the primary source of energy for the brain and nervous system?

• A. Protein
• B. Fat
• C. Carbohydrate
• D. Glucose

Correct answer: D

Rationale: Glucose is the correct answer as it is the primary source of energy for the brain and nervous system. The brain relies heavily on glucose to function optimally. While protein and fat play essential roles in the body, they are not the primary sources of energy for the brain and nervous system. Carbohydrates, on the other hand, are broken down into glucose, which is then used as fuel by the brain and nervous system.

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. How should a healthcare provider address a child's nutritional needs with a lactose intolerance diagnosis?

• A. Recommend lactose-free dairy products
• B. Increase dairy intake
• C. Encourage high-fiber diet
• D. Use oral probiotics only

Correct answer: A

Rationale: In managing lactose intolerance in a child, recommending lactose-free dairy products is crucial. These products help address the child's nutritional needs without causing symptoms related to lactose consumption. Choice B is incorrect because increasing dairy intake would exacerbate symptoms in a lactose-intolerant individual as they cannot digest lactose properly. Choice C, encouraging a high-fiber diet, is not directly related to managing lactose intolerance and may not address the primary issue of lactose malabsorption. Choice D, using oral probiotics only, may not be sufficient to address the child's nutritional needs in case of lactose intolerance as the main concern is avoiding lactose-containing products.

4. What is the primary purpose of a placebo in an experiment?

• A. To reduce the cost of the experiment.
• B. To make the experiment double-blind.
• C. To increase the number of participants.
• D. To serve as a control for comparison with the treatment group.

Correct answer: D

Rationale: The correct answer is D. A placebo serves as a control for comparison with the treatment group, helping to eliminate bias and ensure the results are due to the treatment itself. Placebos are crucial in research to distinguish the actual effect of the treatment from psychological or subjective factors. Choice A is incorrect because the purpose of a placebo is not related to reducing the cost of the experiment. Choice B is incorrect because while placebos are used in double-blind studies, their primary purpose is not to make the experiment double-blind. Choice C is incorrect because the purpose of a placebo is not to increase the number of participants but rather to serve as a comparison group for the treatment being tested.

5. How should a healthcare provider address concerns about a child’s developmental milestones?

• A. Recommend delaying intervention until school age
• B. Provide resources for early intervention services
• C. Suggest dietary changes
• D. Avoid further assessment

Correct answer: B

Rationale: Correct Answer: Providing resources for early intervention services is crucial for addressing developmental concerns and supporting the child's growth and development. Early intervention is key to improving outcomes. Recommending delaying intervention until school age (Choice A) is not advised as addressing issues early leads to better results. Suggesting dietary changes (Choice C) is not the primary approach to addressing developmental milestones. Avoiding further assessment (Choice D) can impede the timely identification and management of developmental delays.

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