ATI LPN
PN Nutrition Assessment ATI
1. Which of the following are considered micronutrients?
- A. Fats.
- B. Proteins.
- C. Vitamins.
- D. Carbohydrates.
Correct answer: C
Rationale: Micronutrients are essential nutrients needed by the body in small quantities to support various bodily functions. Vitamins fall under this category as they play crucial roles in metabolism, immune function, and overall health. While fats, proteins, and carbohydrates are essential macronutrients required in larger amounts for energy and growth, they are not classified as micronutrients. Therefore, the correct answer is C.
2. What are probiotics?
- A. Indigestible carbohydrates that promote growth of health-promoting bacteria.
- B. Antibiotics that prevent growth of harmful bacteria.
- C. Nutritional supplements of health-promoting bacteria.
- D. Commercial fiber supplements that have a laxative effect.
Correct answer: C
Rationale: Probiotics are live bacteria that are beneficial for gut health and are often taken as supplements. They are not indigestible carbohydrates (Choice A), antibiotics (Choice B), or commercial fiber supplements (Choice D). Probiotics contain live strains of good bacteria that help maintain a healthy balance in the gut microbiome.
3. How many kilocalories (kcal) are provided by 35 g of fat?
- A. 140
- B. 245
- C. 315
- D. 360
Correct answer: C
Rationale: Fat provides 9 kcal per gram, so 35 grams of fat provides 315 kcal. Therefore, the correct answer is C. Choice A (140) is incorrect because it doesn't consider the energy content of fat. Choice B (245) is incorrect as it miscalculates the kilocalories provided by 35g of fat. Choice D (360) is incorrect because it overestimates the kilocalories provided by 35g of fat.
4. Which of the following is an example of a disaccharide?
- A. Glucose.
- B. Fructose.
- C. Galactose.
- D. Maltose.
Correct answer: D
Rationale: The correct answer is D, Maltose. A disaccharide is formed when two monosaccharides are joined together. Glucose, fructose, and galactose are all monosaccharides, not disaccharides. Therefore, they are not examples of disaccharides.
5. A chemical feature that distinguishes a saturated fatty acid from an unsaturated fatty acid is the:
- A. arrangement of carbon atoms.
- B. number of oxygen molecules.
- C. number of double bonds.
- D. food source.
Correct answer: C
Rationale: The correct answer is C. Saturated fatty acids have no double bonds between carbon atoms, while unsaturated fatty acids have one or more double bonds. Therefore, the number of double bonds is the chemical feature that distinguishes a saturated fatty acid from an unsaturated fatty acid. Choices A, B, and D are incorrect because the distinguishing factor between saturated and unsaturated fatty acids lies in the presence or absence of double bonds, not in the arrangement of carbon atoms, number of oxygen molecules, or food source.
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