HESI LPN
Nutrition Final Exam
1. What is a common symptom of a urinary tract infection in children?
- A. Fever
- B. Weight loss
- C. Abdominal pain
- D. Increased appetite
Correct answer: A
Rationale: Fever is a common symptom of a urinary tract infection in children. It is often accompanied by other symptoms such as pain or discomfort. Weight loss (choice B) is not a typical symptom of a urinary tract infection in children. Abdominal pain (choice C) can be present but is not as specific as fever. Increased appetite (choice D) is not a common symptom of a urinary tract infection.
2. Why is randomization important in a scientific experiment?
- A. To minimize the impact of confounding variables.
- B. To eliminate bias in the assignment of subjects to groups.
- C. To contribute to the accuracy and validity of the experiment's results.
- D. To prevent systematic differences between groups.
Correct answer: B
Rationale: Randomization is crucial in a scientific experiment to eliminate bias in the assignment of subjects to groups. By randomly assigning subjects, it helps ensure that any differences observed in the outcomes are due to the experimental treatment and not to preexisting differences between groups. Choice A is incorrect because randomization does not guarantee representativeness but rather minimizes the impact of confounding variables. Choice C is not entirely accurate; while randomization can contribute to accuracy and validity, its primary purpose is to reduce bias. Choice D is incorrect as the goal of randomization is not to balance the number of subjects but to prevent systematic differences between groups.
3. How should a healthcare professional handle a child with a new diagnosis of type 2 diabetes?
- A. Focus on increasing physical activity and dietary management
- B. Initiate insulin therapy immediately
- C. Limit all carbohydrate intake
- D. Recommend frequent fasting
Correct answer: A
Rationale: In managing type 2 diabetes in a child, focusing on increasing physical activity and dietary management is crucial, especially in the initial treatment phase. This approach helps improve insulin sensitivity and overall glycemic control. Initiating insulin therapy immediately is not the first-line treatment for type 2 diabetes in children. Limiting all carbohydrate intake is not advisable as carbohydrates are essential for providing energy and nutrients. Recommending frequent fasting can be harmful and is not a recommended strategy for managing type 2 diabetes in children.
4. How should hydration status in a child with fever and vomiting be assessed?
- A. Monitor skin turgor and mucous membranes
- B. Measure blood glucose levels
- C. Check for signs of jaundice
- D. Assess respiratory rate
Correct answer: A
Rationale: To assess hydration status in a child with fever and vomiting, monitoring skin turgor and mucous membranes is essential. Skin turgor refers to the skin's ability to change shape and return to normal; poor skin turgor can indicate dehydration. Mucous membranes, such as the mouth and eyes, can also provide valuable information about hydration levels. Measuring blood glucose levels (Choice B) is not directly related to assessing hydration status. Checking for signs of jaundice (Choice C) is important for liver-related issues, not hydration assessment. Assessing respiratory rate (Choice D) is crucial for evaluating respiratory function, not hydration status.
5. How should a caregiver manage a child with a new diagnosis of sickle cell anemia?
- A. Ensure the child receives frequent blood transfusions
- B. Promote adequate hydration and pain management
- C. Restrict physical activity
- D. Administer high doses of vitamin C
Correct answer: B
Rationale: Promoting adequate hydration and pain management is crucial for managing sickle cell anemia to prevent crises and complications. Adequate hydration helps prevent sickling of red blood cells, while effective pain management is essential for addressing the frequent pain episodes associated with the condition. Ensuring the child receives frequent blood transfusions is not the initial management for sickle cell anemia; transfusions are usually reserved for specific complications. Restricting physical activity should be individualized based on the child's condition; some physical activity is beneficial for overall health. Administering high doses of vitamin C is not a standard treatment for sickle cell anemia and does not address the underlying pathology of the disease.
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