ATI LPN
PN Nutrition Assessment ATI
1. Exchange Lists for Meal Planning group foods that are equivalent in their:
- A. weight.
- B. serving size.
- C. micronutrient content.
- D. macronutrient content.
Correct answer: D
Rationale: The Exchange Lists for Meal Planning categorize foods based on their macronutrient content, such as carbohydrate, protein, and fat. These lists help individuals make food choices while ensuring similar amounts of macronutrients are consumed. Therefore, the correct answer is D. Choices A, B, and C are incorrect because Exchange Lists focus on macronutrient content, not weight, serving size, or micronutrient content.
2. Which hormone stimulates the gallbladder to contract?
- A. Secretin.
- B. Cholecystokinin (CCK).
- C. Gastrin.
- D. Gastric inhibitory polypeptide (GIP).
Correct answer: B
Rationale: Cholecystokinin (CCK) is the hormone responsible for stimulating the gallbladder to contract and release bile into the small intestine. Secretin primarily acts on the pancreas to stimulate the secretion of bicarbonate-rich fluid. Gastrin functions in the stimulation of gastric acid secretion, while Gastric inhibitory polypeptide (GIP) plays a role in inhibiting gastric acid secretion and stimulating insulin release.
3. Which of the following types of fiber is not a carbohydrate?
- A. gums
- B. lignin
- C. pectin
- D. cellulose
Correct answer: B
Rationale: Lignin is the correct answer because it is a type of fiber that is not a carbohydrate and provides structure to plant cell walls. Gums (choice A), pectin (choice C), and cellulose (choice D) are all types of dietary fiber that are carbohydrates. Gums are a type of soluble fiber, pectin is found in fruits and is a soluble fiber, and cellulose is a type of insoluble fiber found in plant cell walls.
4. 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.
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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