ATI RN
ATI RN Nutrition Online Practice 2019
1. Which vitamin deficiency is most likely to be associated with increased risk of macular degeneration?
- A. Vitamin A
- B. Vitamin B12
- C. Vitamin C
- D. Vitamin E
Correct answer: D
Rationale: Vitamin E is an antioxidant that helps protect eye health and prevent macular degeneration.
2. Which foods should be avoided on a low-potassium diet? (SATA)
- A. Bananas
- B. A, C
- C. Sweet potatoes
- D. Frozen corn
Correct answer: B
Rationale: Bananas, sweet potatoes, and orange juice are high in potassium.
3. What is a major goal for home care nurses?
- A. Restoring maximum health function.
- B. Promoting the health of populations.
- C. Minimizing the progress of disease.
- D. Maintaining the health of populations.
Correct answer: A
Rationale: A major goal for home care nurses is restoring maximum health function. This involves helping patients achieve their highest level of health and independence, focusing on individualized care plans tailored to each patient's needs. Choice B, promoting the health of populations, is more aligned with public health nursing rather than home care nursing. Choice C, minimizing the progress of disease, is important but not as comprehensive as restoring maximum health function. Choice D, maintaining the health of populations, is more about preventive care at a population level rather than the individualized care provided by home care nurses.
4. Each statement is true regarding oral exposure to fermentable carbohydrates, except one. Which is the exception?
- A. Longer exposure leads to an increased risk of demineralization
- B. Longer exposure increases the opportunity for remineralization
- C. The Stephan curve illustrates pH changes within plaque after rinsing with a sugar solution
- D. The critical pH at which enamel decalcification occurs is 5.5 or less
Correct answer: B
Rationale: All the statements above are accurate about oral exposure to fermentable carbohydrates, except for option B. In fact, longer exposure to these carbohydrates decreases the opportunity for remineralization. This is because the process of demineralization, in which minerals are lost from the tooth enamel, is sped up by the presence of fermentable carbohydrates. The Stephan curve (option C) is a graph that demonstrates how the pH of dental plaque changes after a sugar rinse, usually dropping (becoming more acidic), which can lead to enamel decalcification. Option D is also accurate, as a pH of 5.5 or lower is the critical point at which enamel starts to decalcify.
5. To prevent injury and strain on the muscles, the nurse should observe proper body mechanics. Among the following, which is a principle of proper body mechanics?
- A. Broaden the space between the feet
- B. Push instead of pull
- C. Move the object away from the body when lifting
- D. Bend at the waist, not on the knees
Correct answer: B
Rationale: Nursing interventions should be grounded in a deep understanding of the physiological processes involved, ensuring that care provided is both effective and efficient.
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