HESI LPN
Nutrition Final Exam
1. Which characteristic is most typical of a chronic disease?
- A. It has a rapid onset.
- B. It rarely has noticeable symptoms.
- C. It produces sharp pains.
- D. It progresses gradually.
Correct answer: D
Rationale: The correct answer is D. Chronic diseases are characterized by a gradual progression over time, affecting individuals for an extended period. Option A is incorrect as chronic diseases do not have a rapid onset like acute conditions. Option B is incorrect as chronic diseases often manifest noticeable symptoms. Option C is incorrect as sharp pains are not a defining characteristic of chronic diseases. Chronic diseases can present a variety of symptoms depending on the specific condition, but gradual progression is a common feature distinguishing them from acute illnesses.
2. Which of the following is a function of carbohydrates in the body?
- A. They provide insulation and support for organs.
- B. They help regulate body temperature.
- C. They serve as the body's main structural components.
- D. They are the body's primary source of energy.
Correct answer: D
Rationale: The correct answer is D. Carbohydrates are the body's primary source of energy, fueling daily activities and bodily functions. Choice A is incorrect because insulation and organ support are primarily provided by adipose tissue and structural proteins, not carbohydrates. Choice B is incorrect because the regulation of body temperature is mainly controlled by processes like sweating and shivering, not carbohydrates. Choice C is incorrect because structural components like proteins are responsible for building tissues and organs, not carbohydrates.
3. Which nutrient source yields more than 4 kcalories per gram?
- A. plant fats
- B. plant proteins
- C. animal proteins
- D. plant carbohydrates
Correct answer: A
Rationale: The correct answer is plant fats (Choice A). Fats, including plant fats, provide 9 kcalories per gram, which is more than 4 kcalories. Plant proteins (Choice B) and animal proteins (Choice C) provide 4 kcalories per gram. Plant carbohydrates (Choice D) also provide 4 kcalories per gram. Therefore, Choices B, C, and D are incorrect because they do not yield more than 4 kcalories per gram.
4. What action should be taken for a 2-year-old with laryngotracheobronchitis in an oxygen tent?
- A. Restrain the child and notify the healthcare provider
- B. Increase the oxygen concentration
- C. Take the child to the playroom
- D. Ask the mother to help in comforting the child
Correct answer: B
Rationale: In laryngotracheobronchitis (croup), a child may become restless due to poor oxygenation. Increasing the oxygen concentration in the oxygen tent is crucial to improve oxygenation levels and manage symptoms effectively. Restraint is not appropriate in this situation, as it may cause distress and worsen the child's condition. Taking the child to the playroom is not indicated when the child requires oxygen therapy. While comforting the child is important, the priority in this scenario is to optimize oxygen delivery to improve respiratory distress.
5. What is the primary treatment for a child with an anaphylactic reaction?
- A. Oral antihistamines
- B. Intravenous fluids
- C. Epinephrine injection
- D. Antipyretics
Correct answer: C
Rationale: The correct answer is C: Epinephrine injection. An epinephrine injection is the primary treatment for an anaphylactic reaction in children. Epinephrine acts quickly to reverse severe symptoms such as difficulty breathing, low blood pressure, and hives. Oral antihistamines, although useful for milder allergic reactions, are not sufficient to manage the potentially life-threatening symptoms of anaphylaxis. Intravenous fluids may be necessary to support blood pressure in a child with anaphylaxis but are not the primary treatment. Antipyretics, on the other hand, are medications used to reduce fever and are not indicated as the primary treatment for an anaphylactic reaction.
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