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PN Nutrition Assessment ATI
1. Which types of acids form the basic building blocks of protein?
- A. fatty
- B. amino
- C. nucleic
- D. omega fatty
Correct answer: B
Rationale: The correct answer is 'B: amino.' Amino acids are the fundamental units that make up proteins. They are essential for various bodily functions, including building and repairing tissues. Choice A, 'fatty acids,' are not the basic building blocks of proteins but rather a type of lipid. Choice C, 'nucleic acids,' are the building blocks of nucleic acids like DNA and RNA, not proteins. Choice D, 'omega fatty acids,' are a specific type of fatty acid known for their health benefits but are not directly related to the building blocks of proteins.
2. Amino acids that can be synthesized by the body in sufficient amounts are known as:
- A. indispensable.
- B. dispensable.
- C. simple.
- D. complex.
Correct answer: B
Rationale: The correct answer is B, 'dispensable.' Dispensable amino acids are those that the body can synthesize in sufficient amounts, so they are not required to be obtained from the diet. Indispensable amino acids, on the other hand, are essential and must be obtained from the diet because the body cannot produce them in sufficient quantities. Choices C and D, 'simple' and 'complex,' are incorrect as they do not accurately describe amino acids in terms of synthesis by the body.
3. Sucrose consists of a combination of glucose and:
- A. maltose.
- B. fructose.
- C. galactose.
- D. lactose.
Correct answer: B
Rationale: The correct answer is B, fructose. Sucrose is a disaccharide composed of one molecule of glucose and one molecule of fructose. Maltose (choice A) is composed of two glucose molecules, galactose (choice C) is a monosaccharide, and lactose (choice D) is composed of one molecule of glucose and one molecule of galactose. Therefore, fructose is the correct choice for the second component of sucrose.
4. From where are trypsin and chymotrypsin secreted?
- A. Small intestine.
- B. Liver.
- C. Stomach.
- D. Pancreas.
Correct answer: D
Rationale: Trypsin and chymotrypsin are enzymes involved in protein digestion. These enzymes are secreted by the pancreas, not the small intestine, liver, or stomach. The pancreas plays a crucial role in producing digestive enzymes that aid in breaking down proteins in the small intestine. The small intestine is the site where these enzymes act, not where they are secreted. The liver is responsible for producing bile, not digestive enzymes. The stomach secretes gastric juices but not trypsin and chymotrypsin. Therefore, the correct answer is the pancreas.
5. A high blood cholesterol level appears to be associated with the development of:
- A. chronic kidney disease.
- B. coronary heart disease.
- C. Alzheimer’s disease.
- D. Addison’s disease.
Correct answer: B
Rationale: A high blood cholesterol level is associated with an increased risk of developing coronary heart disease. Elevated cholesterol levels can lead to the buildup of plaque in the arteries, increasing the risk of heart disease. Choices A, C, and D are incorrect as high blood cholesterol is not primarily linked to chronic kidney disease, Alzheimer’s disease, or Addison’s disease.
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