ATI LPN
PN Nutrition Assessment ATI
1. In addition to calcium, the major minerals needed to build and maintain bone tissue include:
- A. potassium
- B. iron
- C. phosphorus
- D. fluoride
Correct answer: C
Rationale: The correct answer is C: phosphorus. Phosphorus, along with calcium, is essential for bone health and maintenance. Potassium (choice A) is important for muscle function, iron (choice B) is crucial for red blood cell production, and fluoride (choice D) helps prevent tooth decay but is not a major mineral needed for bone tissue.
2. The hormone secretin stimulates production of a buffering solution for the duodenum by the:
- A. stomach.
- B. liver.
- C. pancreas.
- D. oxyntic cells.
Correct answer: C
Rationale: The correct answer is C: pancreas. Secretin stimulates the pancreas to release bicarbonate, which acts as a buffering solution to neutralize the acid entering the duodenum from the stomach. This process helps in maintaining the pH balance in the small intestine. Choice A, stomach, is incorrect as the stomach does not produce the buffering solution needed for the duodenum. Choice B, liver, is incorrect because secretin does not directly stimulate the liver to produce a buffering solution. Choice D, oxyntic cells, is also incorrect as these cells in the stomach are responsible for producing gastric acid, not the buffering solution needed in the duodenum.
3. 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.
4. Which of the following monosaccharides is considered one of the most important in human nutrition along with glucose and fructose?
- A. Lactose.
- B. Galactose.
- C. Maltose.
- D. Sucrose.
Correct answer: B
Rationale: The most important monosaccharides in human nutrition are glucose, fructose, and galactose. Galactose is crucial as it is one of the main components of lactose, a disaccharide sugar found in milk. Therefore, choices A, C, and D are incorrect as lactose, maltose, and sucrose are disaccharides composed of two monosaccharide units.
5. Which age group is particularly vulnerable to malnutrition?
- A. Infants
- B. Teenagers
- C. Young adults
- D. Middle-aged adults
Correct answer: A
Rationale: Infants are particularly vulnerable to malnutrition due to their high growth rate and specific nutrient requirements. During the first year of life, infants experience rapid growth and development, requiring essential nutrients for proper physical and cognitive development. Teenagers, young adults, and middle-aged adults have more stable nutritional needs compared to infants, making them less vulnerable to malnutrition. Therefore, infants are the most susceptible age group when it comes to malnutrition.
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