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. What is a common sign of dehydration in a child with diarrhea?
- A. Decreased urine output
- B. Increased appetite
- C. Warm, dry skin
- D. Elevated blood pressure
Correct answer: A
Rationale: The correct answer is A: Decreased urine output. When a child with diarrhea is dehydrated, they may have decreased urine output, indicating that their body is conserving fluids. This sign highlights the importance of fluid replacement to prevent worsening dehydration. Choices B, C, and D are incorrect. Increased appetite is not typically associated with dehydration but can be seen in other conditions. Warm, dry skin may be a sign of fever or other skin conditions, not specifically dehydration. Elevated blood pressure is not a common sign of dehydration in a child with diarrhea.
3. How should a healthcare provider manage a child with newly diagnosed congenital hypothyroidism?
- A. Monitor for signs of hyperactivity
- B. Ensure regular thyroid hormone replacement therapy
- C. Encourage a high-calcium diet
- D. Increase physical exercise
Correct answer: B
Rationale: Correct Answer: Ensuring regular thyroid hormone replacement therapy is crucial for managing congenital hypothyroidism in children. This therapy supports normal growth and development by replacing the deficient thyroid hormones. Monitoring for signs of hyperactivity (Choice A) is not the primary management for congenital hypothyroidism; rather, the focus should be on addressing the hormone deficiency. Encouraging a high-calcium diet (Choice C) may not directly address the thyroid hormone deficiency characteristic of congenital hypothyroidism. Increasing physical exercise (Choice D) is not the mainstay treatment for this condition; hormone replacement therapy is the cornerstone of management.
4. How does a double-blind experiment work?
- A. Both subject groups take turns receiving each treatment.
- B. Neither subjects nor researchers know which subjects are in the control or experimental group.
- C. Neither group of subjects knows whether they are in the control or experimental group, but the researchers do not know.
- D. Both subject groups know whether they are in the control or experimental group, but the researchers do not know.
Correct answer: B
Rationale: The correct answer is B. In a double-blind experiment, neither the subjects nor the researchers know which subjects are in the control or experimental group. This helps to eliminate bias and ensure that the results are more objective. Choice A is incorrect as in a double-blind experiment, subjects do not take turns receiving each treatment; it is about masking the treatment allocation. Choice C is incorrect because it implies that the researchers are aware of the group allocation, which goes against the principle of blinding in a double-blind study. Choice D is incorrect as both subject groups should not know whether they are in the control or experimental group to maintain the blindness of the study.
5. What is the study of how a person's genes interact with nutrients?
- A. genetic counseling
- B. nutritional genomics
- C. genetic metabolomics
- D. nutritional genetics
Correct answer: B
Rationale: Nutritional genomics, the correct answer, specifically focuses on how a person's genes interact with nutrients, affecting health and disease. Genetic counseling (choice A) refers to the process of helping people understand and adapt to the medical, psychological, and familial implications of genetic contributions to disease. Genetic metabolomics (choice C) combines genetic and metabolomic data to study metabolic pathways. Nutritional genetics (choice D) generally refers to the broader field of genetics as it relates to nutrition, while nutritional genomics, the most precise term, delves into the specific gene-nutrient interactions.
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