ATI RN
ATI Nutrition Proctored Exam
1. Each statement is true of calcium within saliva, except one. Which is the exception?
- A. Saliva is supersaturated with calcium.
- B. Saliva is a source of calcium to mineralize an immature or demineralized enamel surface.
- C. Calcium and phosphate in saliva provide a buffering action.
- D. Calcium within saliva increases dental caries.
Correct answer: D
Rationale: The correct answer is D. Calcium within saliva does not increase dental caries; in fact, the buffering action provided by calcium and phosphate in saliva inhibits caries formation by preventing the dissolution of enamel by plaque biofilm. Choice A is correct as saliva is indeed supersaturated with calcium. Choice B is correct as saliva serves as a source of calcium to mineralize an immature or demineralized enamel surface. Choice C is correct as calcium and phosphate in saliva do provide a buffering action to protect teeth from acids.
2. A nurse is instructing the mother of a toddler who has iron-deficiency anemia to increase iron in the child's diet in addition to the prescribed iron supplement. Which of the following foods should the nurse recommend?
- A. Skim milk
- B. Bananas
- C. Tuna fish
- D. Cucumbers
Correct answer: C
Rationale: Tuna fish is a good source of iron and would be beneficial for a toddler with iron-deficiency anemia. Skim milk, bananas, and cucumbers are not significant sources of iron and would not help in increasing the iron levels in the child's diet. Skim milk, in particular, can inhibit iron absorption due to its calcium content, which is important for the nurse to educate the mother about.
3. Which of the following categories identifies the focus of community/public health nursing practice?
- A. Promoting and maintaining the health of populations and preventing and minimizing the progress of disease
- B. Rehabilitation and restorative services
- C. Adaptation of hospital care to the home environment
- D. Hospice care delivery
Correct answer: C
Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.
4. Select all that apply. To lower LDL levels, you should:
- A. consume minimal amounts of hydrogenated and saturated fats
- B. consume more insoluble fibers than soluble fibers
- C. consume alcohol in moderate levels
- D. engage in regular physical activity
Correct answer: A
Rationale: To lower LDL levels, reducing intake of hydrogenated (trans) and saturated fats is crucial, as these types of fats can raise LDL cholesterol in the blood. Choice B is incorrect because both soluble and insoluble fibers can help lower LDL levels. Choice C is incorrect as excessive alcohol consumption can lead to increased LDL levels. Choice D, engaging in regular physical activity, can help raise HDL (good) cholesterol levels but is not directly related to lowering LDL levels.
5. Loss of smell results in a condition that limits capacity to detect the flavor of food and beverages called:
- A. Hypergeusia
- B. Dysgeusia
- C. Anosmia
- D. Phantom taste
Correct answer: C
Rationale: Anosmia is the loss of the sense of smell, which significantly impacts the ability to detect flavors in food and beverages.
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