ATI LPN
Nutrition ATI Proctored Exam
1. What is the preferred fuel for the cells lining the colon?
- A. Short-chain fatty acids.
- B. Long-chain fatty acids.
- C. Amino acids.
- D. Glucose.
Correct answer: A
Rationale: Short-chain fatty acids are the preferred fuel for the cells lining the colon. They provide energy and support gut health by serving as a fuel source for these cells. Long-chain fatty acids are not the preferred fuel for colon cells as they are harder to digest and absorb in this part of the digestive system. Amino acids are the building blocks of proteins and not the primary energy source for colon cells. Glucose is the main energy source for most cells in the body, but colon cells prefer short-chain fatty acids.
2. What is a primary function of macronutrients in the body?
- A. Regulate metabolic processes.
- B. Supply energy.
- C. Maintain homeostasis.
- D. Control cellular activity.
Correct answer: B
Rationale: The correct answer is B: Supply energy. The primary function of macronutrients such as carbohydrates, fats, and proteins is to supply energy for various bodily functions. Choices A, C, and D are incorrect because while regulating metabolic processes, maintaining homeostasis, and controlling cellular activity are essential functions in the body, they are not the primary roles of macronutrients. Macronutrients mainly serve as a source of energy to support daily activities and bodily functions.
3. The end products of digestion of macronutrients include fatty acids, amino acids, and:
- A. monosaccharides.
- B. polysaccharides.
- C. enzymes.
- D. cholesterol.
Correct answer: A
Rationale: The correct answer is A: monosaccharides. When macronutrients like carbohydrates are digested, they are broken down into simpler forms. Carbohydrates are broken down into monosaccharides, proteins into amino acids, and fats into fatty acids. Therefore, the end products of carbohydrate digestion are monosaccharides. Choices B, C, and D are incorrect because polysaccharides are larger carbohydrate molecules, enzymes are not the end products of digestion but rather aid in the process, and cholesterol is not a direct end product of macronutrient digestion.
4. The patient tells the nurse that his insurance company requires him to pick a primary provider and asks what that means. The nurse explains that a primary provider means choosing what?
- A. A doctor
- B. A staff nurse
- C. One insurance provider
- D. A hospital
Correct answer: A
Rationale: A primary provider is typically a doctor, nurse practitioner, or physician's assistant who is responsible for overseeing and coordinating the patient's comprehensive healthcare needs. This healthcare professional serves as the main point of contact for the patient, managing preventive care, treatments, referrals to specialists, and overall health management. Choice B, a staff nurse, is incorrect as a primary provider is usually a more advanced healthcare professional managing comprehensive care. Choice C, one insurance provider, is incorrect as a primary provider refers to a healthcare professional, not an insurance company. Choice D, a hospital, is incorrect as the primary provider is an individual healthcare professional responsible for coordinating the patient's care, not a healthcare facility.
5. A nurse is assessing a client who reports chest pain. Which of the following findings should cause the nurse to suspect a myocardial infarction?
- A. Pain improves with rest
- B. Pain radiates to the left arm.
- C. Pain worsens with deep breathing.
- D. Pain is relieved by antacids.
Correct answer: B
Rationale: The correct answer is B. Radiating pain, especially to the left arm, is a classic sign of myocardial infarction. Pain that radiates to the left arm indicates cardiac involvement, making it a significant finding. Choices A, C, and D are incorrect because chest pain that improves with rest, worsens with deep breathing, or is relieved by antacids is less likely to be associated with a myocardial infarction.
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