ATI RN
ATI Nutrition Proctored Exam
1. Each of the following is a fat-soluble vitamin except for one. Which is the exception?
- A. Vitamin A
- B. Vitamin C
- C. Vitamin D
- D. Vitamin K
Correct answer: B
Rationale: The correct answer is B, Vitamin C. Vitamin C is a water-soluble vitamin, not fat-soluble. Fat-soluble vitamins are Vitamins A, D, E, and K. These vitamins are stored in the body's fat tissues and liver, unlike water-soluble vitamins which are not stored and are eliminated in urine, making them less likely to reach toxic levels.
2. Select all that apply. Characteristics of the 2 main types of essential fatty acids discussed in class include:
- A. they must be supplied by the diet
- B. they can be produced by a process called dehydrogenation
- C. they are anti-inflammatory
- D. they are all polyunsaturated fatty acids
Correct answer: A
Rationale: The correct answer is A: 'they must be supplied by the diet.' Essential fatty acids, like omega-3 and omega-6, cannot be produced by the body and must be obtained through the diet. They are polyunsaturated fatty acids, playing vital roles in inflammation and cell membrane structure. Choice B is incorrect because essential fatty acids cannot be produced by dehydrogenation, a process of removing hydrogen. Choice C is incorrect as not all essential fatty acids are anti-inflammatory; some have pro-inflammatory roles. Choice D is incorrect because not all essential fatty acids are polyunsaturated; omega-9, for example, is a monounsaturated essential fatty acid.
3. Thiamin
- A. Vitamin B1
- B. Vitamin B2
- C. Vitamin B3
- D. Vitamin B12
Correct answer: A
Rationale: Thiamin, or Vitamin B1, plays a crucial role in energy metabolism and the proper functioning of the nervous system.
4. Medications that reduce stomach acidity can impair the absorption of _____.
- A. calcium
- B. iron
- C. vitamin D
- D. vitamin C
Correct answer: B
Rationale: Reduced stomach acidity impairs the absorption of iron, as an acidic environment is necessary for optimal iron absorption in the stomach. Choices A, C, and D are incorrect as medications that reduce stomach acidity typically do not significantly affect the absorption of calcium, vitamin D, or vitamin C.
5. Which topical antimicrobial is most frequently used in burn wound care?
- A. Neosporin
- B. Silver nitrate
- C. Silver sulfadiazine
- D. Sulfamylon
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.
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