ATI LPN
PN Nutrition Assessment ATI
1. The number of kilocalories provided by a food that contains 22g of fat is:
- A. 88
- B. 132
- C. 154
- D. 198
Correct answer: D
Rationale: The correct answer is D. Fat provides 9 kcal per gram, so 22 grams of fat will provide 198 kcal (22g * 9 kcal/g = 198 kcal). Choice A (88) is incorrect because it miscalculates the kcalories. Choice B (132) is incorrect as it does not consider the correct kcaloric value of fat. Choice C (154) is incorrect as it also does not calculate the kcalories accurately based on the fat content.
2. One characteristic of an essential fatty acid is that it:
- A. comes from a plant source.
- B. comes from an animal source.
- C. is not manufactured by the body.
- D. is manufactured by the body.
Correct answer: C
Rationale: The correct answer is C because essential fatty acids are not manufactured by the body and must be obtained through the diet. Choice A is incorrect because essential fatty acids can come from plant sources as well. Choice B is incorrect as essential fatty acids are primarily derived from plant sources. Choice D is incorrect because essential fatty acids cannot be produced by the body. Therefore, the only accurate statement is that essential fatty acids are not manufactured by the body.
3. Which chain length of fatty acids is most water-soluble and easily absorbed into the bloodstream?
- A. Very long.
- B. Long.
- C. Medium.
- D. Short.
Correct answer: D
Rationale: Short-chain fatty acids are the most water-soluble and are more easily absorbed into the bloodstream. Very long, long, and medium-chain fatty acids are less water-soluble and are absorbed at a slower rate compared to short-chain fatty acids. Therefore, the correct answer is D.
4. The release of gastric secretions is stimulated by nerve and hormonal stimuli and the:
- A. ingestion of water.
- B. swallowing reflex.
- C. presence of food in the stomach.
- D. closing of the pyloric sphincter.
Correct answer: C
Rationale: The correct answer is C: 'presence of food in the stomach.' Gastric secretions are stimulated when food enters the stomach, triggering nerve and hormonal responses. This process prepares the stomach for digestion. Choices A, B, and D are incorrect because ingesting water, swallowing reflex, and the closing of the pyloric sphincter do not directly stimulate the release of gastric secretions.
5. 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.
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