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. After ingested food is mixed and churned with gastric secretions, the resulting semifluid mass is called:
- A. a bolus.
- B. chyme.
- C. rennin.
- D. glycogen.
Correct answer: B
Rationale: The correct answer is B: chyme. Chyme is the partially digested food that forms a semifluid mass after mixing with gastric juices. A is incorrect because a bolus refers to a rounded mass of food ready to be swallowed. C, rennin, is an enzyme involved in the digestion of milk proteins and not the term for the semifluid mass after food mixing with gastric secretions. D, glycogen, is a form of stored glucose in the body and is not the term used to describe the partially digested food mass in the stomach.
3. What triggers the release of cholecystokinin (CCK)?
- A. Presence of food in the stomach.
- B. Presence of fat in the duodenum.
- C. Entry of acid chyme into the ileum.
- D. Entry of bile into the gallbladder.
Correct answer: B
Rationale: The correct answer is B: Presence of fat in the duodenum. Cholecystokinin (CCK) is released in response to the presence of fat in the duodenum to aid in digestion by stimulating the release of bile from the gallbladder and enzymes from the pancreas. Options A, C, and D are incorrect because CCK is specifically released in response to the presence of fat in the duodenum, not food in the stomach, acid chyme in the ileum, or bile in the gallbladder.
4. Which body organ is responsible for the metabolic processing of glucose?
- A. Large intestine.
- B. Gallbladder.
- C. Pancreas.
- D. Liver.
Correct answer: D
Rationale: The correct answer is the liver. The liver plays a central role in glucose homeostasis by metabolically processing glucose. The large intestine is primarily involved in absorbing water and electrolytes, not glucose. The gallbladder stores bile produced by the liver but is not directly involved in glucose metabolism. Although the pancreas produces insulin, a hormone that regulates blood sugar levels, the liver is mainly responsible for the metabolic processing of glucose.
5. The function of Dietary Reference Intakes (DRIs) is to designate nutrient recommendations for:
- A. different ethnic groups.
- B. all individuals.
- C. most people.
- D. most healthy people.
Correct answer: D
Rationale: The correct answer is D. Dietary Reference Intakes (DRIs) are established to provide nutrient recommendations for most healthy people. They are not specific to different ethnic groups (choice A), all individuals (choice B), or most people (choice C). DRIs aim to prevent nutrient deficiencies and chronic diseases in healthy individuals by setting intake levels for various nutrients.
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