HESI LPN
LPN Nutrition Practice Test
1. What is the main purpose of Recommended Dietary Allowances (RDAs)?
- A. To provide guidelines for nutrient intakes that meet the needs of most healthy people.
- B. To specify the minimum amount of nutrients required for survival.
- C. To establish maximum safe levels of nutrient intakes.
- D. To recommend specific nutrient intake levels to prevent chronic diseases.
Correct answer: A
Rationale: The main purpose of Recommended Dietary Allowances (RDAs) is to provide guidelines for nutrient intakes that meet the needs of most healthy people. Choice B is incorrect because RDAs aim beyond just survival requirements. Choice C is incorrect because establishing maximum safe levels is the role of Tolerable Upper Intake Levels (ULs). Choice D is incorrect because preventing chronic diseases is more associated with Dietary Reference Intakes (DRIs) like Adequate Intakes (AIs) and Tolerable Upper Intake Levels (ULs). Therefore, the correct answer is A.
2. What should be included in the medical management of a sickle cell crisis?
- A. Information for parents on home care
- B. Adequate hydration and pain management
- C. Pain management and iron supplements
- D. Adequate oxygenation and factor VIII
Correct answer: B
Rationale: The correct answer is B: Adequate hydration and pain management. During a sickle cell crisis, it is essential to provide hydration to prevent vaso-occlusive events and manage pain effectively with analgesics. Adequate hydration helps maintain blood flow and prevent further sickling of red blood cells. Pain management is crucial to alleviate the severe pain associated with sickle cell crises. Options A, C, and D are incorrect. Providing information for parents on home care (Option A) may be important for ongoing management but is not specific to an acute crisis. Iron supplements (Option C) are not typically indicated during a sickle cell crisis. Adequate oxygenation and factor VIII (Option D) are not primary interventions for managing a sickle cell crisis; instead, oxygen therapy may be considered in severe cases, and factor VIII is not a standard treatment for sickle cell disease.
3. How should a caregiver handle a child with a known peanut allergy?
- A. Educate on allergen avoidance
- B. Increase exposure to peanuts
- C. Administer antihistamines as needed
- D. Suggest occasional consumption of peanuts
Correct answer: A
Rationale: Educating on allergen avoidance is the correct approach when dealing with a child who has a known peanut allergy. This helps in managing the allergy effectively and preventing potential allergic reactions. Increasing exposure to peanuts (Choice B) is dangerous and can trigger severe allergic reactions in a child with a peanut allergy. While antihistamines (Choice C) can help alleviate some symptoms, they should not be the primary method of managing a peanut allergy. Suggesting occasional consumption of peanuts (Choice D) is extremely risky and should never be done for a child with a known peanut allergy.
4. How should the healthcare provider assist parents of a SIDS infant in coping?
- A. Encourage seeking grief counseling
- B. Remain detached
- C. Alleviate feelings of guilt and blame
- D. Discuss the parents' mistakes
Correct answer: C
Rationale: Assisting parents of a SIDS infant in coping involves alleviating feelings of guilt and blame, providing emotional support, and offering appropriate counseling. It is crucial to address the parents' emotional well-being and help them cope with the loss. Choice A is not the best answer as it focuses solely on grief counseling, while the primary concern is addressing feelings of guilt and blame. Choice B is inappropriate as remaining detached does not provide the necessary emotional support these parents need. Choice D is incorrect as discussing the parents' mistakes can intensify their feelings of guilt and blame, rather than helping them cope effectively.
5. In what units are energy measurements expressed by most scientists and nutritionists outside the United States?
- A. newtons
- B. liters
- C. kilojoules
- D. kilocalories
Correct answer: C
Rationale: Kilojoules are the standard units of energy used by most scientists and nutritionists worldwide. Newtons are units of force, liters are units of volume, and kilocalories are more commonly used in the United States but not as widely adopted internationally for energy measurements. Therefore, the correct answer is 'kilojoules.'
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