ATI RN
ATI Nutrition Proctored Exam
1. Each statement regarding the correlation between vitamin D and sun exposure is accurate, except one. Which is the exception?
- A. The body can produce sufficient amounts of vitamin D from sunlight.
- B. UV radiation can convert a precursor of vitamin D to vitamin D3 by penetrating uncovered skin.
- C. Sunscreen blocks the formation of vitamin D3.
- D. By the age of 70 years, the skin generally produces vitamin D at only half the level it did at the age of 20 years.
Correct answer: C
Rationale: While UV radiation can penetrate uncovered skin and convert a precursor of vitamin D to vitamin D3, sunscreen does block the formation of vitamin D3. Sunscreen is recommended by dermatologists to prevent sunburn and reduce the risk of skin cancer. The other choices are correct: the body can produce sufficient vitamin D from sunlight, UV radiation can convert a precursor of vitamin D to vitamin D3, and skin generally produces less vitamin D as a person ages.
2. What is the most significant dietary influence on the development of dental caries?
- A. Carbohydrates
- B. Vitamins
- C. Minerals
- D. Fats
Correct answer: A
Rationale: The correct answer is A: Carbohydrates. Carbohydrates, especially fermentable sugars, are the most significant dietary factor in the development of dental caries. When these sugars are consumed, they can be fermented by bacteria in the mouth, leading to the production of acids. These acids lower the pH in the mouth, creating an acidic environment that promotes demineralization of the tooth enamel, ultimately causing dental caries. Choices B, C, and D are incorrect because while vitamins and minerals are important for overall health, they do not have the same direct impact on the development of dental caries as fermentable carbohydrates do. Fats, on the other hand, do not play a significant role in the development of dental caries.
3. Which statement by a client indicates a need for further teaching about food safety?
- A. I will use the food before the expiration date listed on the package.
- B. I will wash my strawberries before I eat them.
- C. I will drink unpasteurized milk as it has many gut-healthy probiotics.
- D. I will wash my hands after I prepare raw chicken.
Correct answer: C
Rationale: The correct answer is C because drinking unpasteurized milk can contain harmful bacteria, which poses a risk to food safety. Choice A is correct as it emphasizes using food before the expiration date. Choice B is also correct as washing fruits before consumption is a good food safety practice. Choice D is correct as well since washing hands after handling raw chicken is crucial to prevent cross-contamination. Therefore, choice C is the only statement that indicates a need for further teaching on food safety.
4. Which adolescent student lunch, evaluated by the school nurse, is the least nutritious?
- A. Ham sandwich, apple, and milk
- B. Hamburger, fries, and soft drink
- C. Macaroni and cheese, green beans, and peaches
- D. Meatloaf, broccoli, and pear slices
Correct answer: B
Rationale: The correct answer is B: Hamburger, fries, and soft drink. This meal is considered the least nutritious among the options provided due to its high content of unhealthy fats, processed carbohydrates, and added sugars, which lack essential nutrients. On the other hand, choice A: Ham sandwich, apple, and milk, offers a balanced meal with protein, fiber, vitamins, and calcium. Choice C: Macaroni and cheese, green beans, and peaches, provides a mixture of carbohydrates, vegetables, and fruits. Choice D: Meatloaf, broccoli, and pear slices, includes protein, fiber, and vitamins. Thus, all choices except B provide a more balanced and nutritious meal.
5. As a nurse, you can help improve the effectiveness of communication among healthcare givers by:
- A. Use of reminders of ‘what to do’
- B. Using standardized list of abbreviations, acronyms, and symbols
- C. One-on-one oral endorsement
- D. Text messaging and e-mail
Correct answer: D
Rationale: Understanding the underlying pathology and therapeutic techniques ensures that nursing care is not only reactive but also preventative, reducing the risk of complications.
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