ATI LPN
PN Nutrition Assessment ATI
1. It has been generally accepted that the percentage of total daily calories supplied by fats should be no more than:
- A. 10% to 15%.
- B. 10% to 35%.
- C. 20% to 35%.
- D. 40% to 55%.
Correct answer: C
Rationale: The recommended fat intake is between 20% to 35% of total daily calories. This range is considered optimal for maintaining a healthy diet. Choice A (10% to 15%) is too low and might not provide enough essential fats for the body. Choice B (10% to 35%) includes an upper limit that exceeds the generally accepted range. Choice D (40% to 55%) suggests a fat intake that is higher than what is recommended, which could lead to health issues if consumed regularly.
2. How many different amino acids make up human proteins?
- A. 9
- B. 13
- C. 15
- D. 20
Correct answer: D
Rationale: The correct answer is D: 20. There are 20 different amino acids that combine to form proteins in the human body. Each amino acid has a unique side chain that determines its properties. Choices A, B, and C are incorrect as they do not represent the total number of different amino acids found in human proteins.
3. Which of the following is a characteristic of essential fatty acids?
- A. They can come from both animal and plant sources.
- B. They are not manufactured by the body.
- C. They are not manufactured by the body.
- D. They are manufactured by the body.
Correct answer: B
Rationale: The correct answer is B: Essential fatty acids are not manufactured by the body. These fatty acids must be obtained through the diet because the body cannot synthesize them. Choice A is incorrect because essential fatty acids can come from both animal and plant sources, not just from an animal source. Choice C is the correct characteristic of essential fatty acids. Choice D is incorrect because essential fatty acids are not produced by the body.
4. What are oligosaccharides composed of?
- A. 3 to 10 monosaccharide units.
- B. large portions of partially digested starch.
- C. nonnutritive sweeteners.
- D. used for weight management.
Correct answer: A
Rationale: Oligosaccharides are carbohydrates composed of 3 to 10 monosaccharide units, making choice A the correct answer. Choice B is incorrect as oligosaccharides do not contain partially digested starch. Choice C is incorrect as nonnutritive sweeteners are a different category of compounds. Choice D is incorrect as oligosaccharides are not primarily used for weight management.
5. What can excessive intakes of dietary protein do?
- A. cause vitamin deficiencies.
- B. impair kidney function.
- C. increase weight loss.
- D. decrease production of indispensable amino acids.
Correct answer: B
Rationale: Excessive intake of dietary protein can lead to impaired kidney function over time. Excessive protein consumption can put a strain on the kidneys as they work to eliminate the byproducts of protein metabolism. This can potentially lead to kidney damage. Choices A, C, and D are incorrect. Excessive protein intake is not directly linked to causing vitamin deficiencies, increasing weight loss, or decreasing the production of indispensable amino acids.
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