ATI LPN
Nutrition ATI Proctored Exam
1. During lactation, where is lactose synthesized in the body?
- A. Liver
- B. Breast
- C. Kidney
- D. Pancreas
Correct answer: B
Rationale: The correct answer is B: Breast. Lactose is synthesized in the breast during lactation to produce breastmilk. The liver is responsible for various metabolic functions but does not synthesize lactose. The kidney's primary role is in filtering blood and regulating electrolytes, not lactose synthesis. The pancreas is involved in producing digestive enzymes and insulin, not lactose synthesis.
2. 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.
3. Which condition may benefit from branched chain amino acids (leucine, isoleucine, and valine)?
- A. cancer-related malnutrition
- B. marasmus
- C. cardiovascular disease
- D. severe depression
Correct answer: A
Rationale: Branched chain amino acids, such as leucine, isoleucine, and valine, are essential in preventing muscle breakdown. Therefore, they may be particularly important for a patient with cancer-related malnutrition, where maintaining muscle mass is crucial. Marasmus is a severe form of malnutrition characterized by energy deficiency, not specifically related to cancer. Cardiovascular disease and severe depression do not have a direct correlation with the need for branched chain amino acids to prevent muscle breakdown.
4. Which of the following foods is high in indispensable amino acids?
- A. Lentils
- B. Tofu
- C. Peanuts
- D. Eggs
Correct answer: D
Rationale: The correct answer is D, eggs. Eggs are considered a high-quality protein source as they are rich in indispensable amino acids. Lentils, tofu, and peanuts also contain protein but are not as high in indispensable amino acids as eggs, making them less complete protein sources.
5. What is the main body storage form of carbohydrates?
- A. Glycogen.
- B. Starch.
- C. Fat.
- D. Glucose.
Correct answer: A
Rationale: The correct answer is A: Glycogen. Glycogen is the stored form of carbohydrates in the body, primarily found in the liver and muscles. Starch (choice B) is a carbohydrate storage molecule in plants, not in the human body. Fat (choice C) is a different macronutrient and not the main storage form of carbohydrates. Glucose (choice D) is a simple sugar that serves as an energy source, not the main storage form of carbohydrates.
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