ATI LPN
PN Nutrition Assessment ATI
1. A major focus of the 2010 Dietary Guidelines is:
- A. generally healthy segments of the population
- B. the unhealthy American public
- C. vulnerable population segments
- D. ethnically diverse eating styles
Correct answer: B
Rationale: The correct answer is B: the unhealthy American public. The 2010 Dietary Guidelines primarily aimed to address the unhealthy eating habits prevalent in the American population. Choice A is incorrect as the focus was not solely on generally healthy segments of the population. Choice C is incorrect as the guidelines were not specifically tailored only for vulnerable population segments. Choice D is incorrect as the guidelines were more concerned with promoting healthy eating habits rather than ethnically diverse eating styles.
2. The Acceptable Macronutrient Distribution Range for fat recommends that the percentage of total kcalories from fat should fall between:
- A. 10% and 20%.
- B. 20% and 25%.
- C. 20% and 35%.
- D. 30% and 45%.
Correct answer: C
Rationale: The Acceptable Macronutrient Distribution Range (AMDR) for fat suggests that 20% to 35% of total kcalories should come from fat. This range is recommended to maintain good health. Choices A, B, and D are incorrect because they do not fall within the specified range. A lower percentage (10-20%) may not provide enough essential fatty acids, while a higher percentage (30-45%) may increase the risk of health issues associated with excessive fat consumption.
3. Which of the following is an example of a protein?
- A. Saline.
- B. Hemoglobin.
- C. Cellulose.
- D. Prostaglandins.
Correct answer: B
Rationale: Hemoglobin is a protein that carries oxygen in the blood, making it the correct answer. Choice A, Saline, is a salt solution and not a protein. Choice C, Cellulose, is a complex carbohydrate found in the cell walls of plants, not a protein. Choice D, Prostaglandins, are lipid compounds with hormone-like effects, not proteins.
4. Which enzyme is produced by the parotid gland?
- A. Salivary amylase
- B. Sucrase
- C. Maltase
- D. Lactase
Correct answer: A
Rationale: The correct answer is A, Salivary amylase. Salivary amylase is an enzyme produced by the parotid gland that initiates starch digestion in the mouth. It helps break down starch into maltose, a simpler sugar. Choices B, C, and D are incorrect because sucrase, maltase, and lactase are enzymes involved in the digestion of disaccharides like sucrose, maltose, and lactose, respectively, in the small intestine, not in the saliva.
5. Why is it important to understand standard serving sizes of foods?
- A. it is easy to eat too much of some nutrients when choosing healthful foods.
- B. serving sizes have generally decreased over the past few decades.
- C. most people have difficulty estimating the amount of food they eat.
- D. food portions need to be weighed to check serving sizes accurately.
Correct answer: C
Rationale: The correct answer is C. Understanding serving sizes is crucial because most people have difficulty estimating the amount of food they eat. It helps individuals accurately track their intake, which is essential for maintaining a healthy diet and avoiding overeating. Choice A is incorrect because the question focuses on portion sizes rather than specific nutrients. Choice B is incorrect as it presents an unsupported claim about serving sizes decreasing. Choice D is incorrect as weighing food portions is not always necessary to check serving sizes; understanding standard serving sizes allows for a more practical approach to portion control.
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