HESI LPN
Nutrition Final Exam
1. What is one function of water in the human body?
- A. Water provides calories for energy.
- B. Water helps transport nutrients and waste products.
- C. Water acts as a solvent for many biological reactions.
- D. Water maintains body temperature.
Correct answer: B
Rationale: The correct answer is B: Water helps transport nutrients and waste products. Water plays a crucial role in the body by aiding in the transportation of essential nutrients to cells and removing waste products. While water is essential for various metabolic processes, it does not provide calories for energy (choice A). Although water can act as a solvent for biological reactions (choice C), its primary function is not as a solvent. Additionally, while water does help in regulating body temperature to some extent, its main role is not to maintain body temperature (choice D).
2. How should a healthcare provider address a child's concerns about a new medical diagnosis?
- A. Provide clear and age-appropriate information
- B. Avoid discussing the diagnosis
- C. Refer to a specialist immediately
- D. Suggest seeking alternative therapies
Correct answer: A
Rationale: Correct answer: Providing clear and age-appropriate information is crucial when addressing a child's concerns about a new medical diagnosis. Children often feel anxious and confused when faced with health issues, so offering them information in a way they can understand helps alleviate their fears and empowers them to cope better. Choice B is incorrect because avoiding discussing the diagnosis can lead to increased anxiety and uncertainty in the child. Choice C is incorrect as referring to a specialist immediately may not be necessary at the initial stage of addressing the child's concerns. Choice D is incorrect as suggesting alternative therapies without providing proper information about the medical diagnosis may not be suitable or effective.
3. Which nutrient is an organic compound?
- A. salt
- B. water
- C. calcium
- D. vitamin C
Correct answer: D
Rationale: Vitamin C is the correct answer because it is an organic compound containing carbon, which is a defining characteristic of organic compounds. Salt (choice A), water (choice B), and calcium (choice C) are inorganic compounds that do not contain carbon. Inorganic compounds are typically lacking carbon-hydrogen bonds, unlike organic compounds. Therefore, choices A, B, and C are incorrect in the context of being organic compounds.
4. What is the primary goal in managing a child with cystic fibrosis?
- A. Increase dietary fat intake
- B. Prevent lung infections
- C. Increase physical activity
- D. Ensure high protein intake
Correct answer: B
Rationale: The primary goal in managing a child with cystic fibrosis is to prevent lung infections. Cystic fibrosis primarily affects the respiratory system, leading to thick mucus buildup in the lungs, which increases the risk of infections. Preventing lung infections through proper respiratory care, medications, airway clearance techniques, and vaccinations is crucial in managing cystic fibrosis. While dietary interventions like increasing dietary fat intake, ensuring high protein intake, and promoting physical activity are also important aspects of cystic fibrosis management, preventing lung infections takes precedence as it directly addresses a major complication of the condition.
5. What is a key intervention for a child with a new diagnosis of asthma?
- A. Provide a peak flow meter
- B. Limit all physical activity
- C. Increase dairy consumption
- D. Recommend frequent use of nasal decongestants
Correct answer: A
Rationale: The correct answer is A: Provide a peak flow meter. Providing a peak flow meter is crucial for a child with a new diagnosis of asthma as it helps monitor asthma control and manage symptoms by tracking changes in airflow. This device assists in assessing how well the lungs are functioning and guides treatment decisions. Limiting all physical activity (choice B) is not recommended as regular exercise can actually help improve lung function in asthmatic children. Increasing dairy consumption (choice C) is not a key intervention for asthma, and recommending frequent use of nasal decongestants (choice D) is not suitable for asthma management in children.
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