ATI RN
Nutrition ATI Test
1. What is the purpose of the cuff in a Tracheostomy tube?
- A. Separate the upper and lower airway
- B. Separate trachea from the esophagus
- C. Separate the larynx from the nasopharynx
- D. Secure the placement of the tube
Correct answer: B
Rationale: The purpose of the cuff in a Tracheostomy tube is to separate the trachea from the esophagus. The cuff helps prevent aspiration by creating a seal that separates the trachea from the esophagus, reducing the risk of food or fluids entering the lungs. Choices A, C, and D are incorrect because the cuff's primary function in a Tracheostomy tube is to prevent aspiration rather than separating the upper and lower airway, larynx from the nasopharynx, or securing the placement of the tube.
2. Which is NOT a classification of carbohydrate?
- A. Monosaccharides
- B. Disaccharides
- C. Polysaccharides
- D. Triglycerides
Correct answer: D
Rationale: The correct answer is D, Triglycerides. Triglycerides are a type of fat, not a carbohydrate. Monosaccharides, disaccharides, and polysaccharides are all classifications of carbohydrates based on the number of sugar units they contain. Monosaccharides are the simplest form with one sugar unit, disaccharides contain two sugar units, and polysaccharides have multiple sugar units linked together.
3. A client is prescribed a 1500-calorie diet. Thirty percent of the calories are to be derived from fat. How many grams of fat should the nurse tell the client to consume per day? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
- A. 21
- B. 49
- C. 60
- D. 50
Correct answer: D
Rationale: To calculate the grams of fat, first, determine the calories from fat by multiplying the total calorie intake (1500 calories) by the percentage of calories from fat (30%), which equals 450 calories from fat. Since 1 gram of fat is equivalent to 9 calories, divide the total calories from fat (450) by the calories in 1 gram of fat (9) to get the answer in grams, which is 50. Therefore, the client should consume 50 grams of fat per day. Choice A (21), Choice B (49), and Choice C (60) are incorrect as they do not reflect the accurate calculation based on the given information.
4. What type of drug is lamivudine, used for the management of HIV infection?
- A. CCR5 antagonist
- B. fusion inhibitor
- C. nucleoside reverse transcriptase inhibitor
- D. protease inhibitor
Correct answer: C
Rationale: Lamivudine belongs to the class of nucleoside reverse transcriptase inhibitors (NRTIs), making choice C the correct answer. NRTIs like lamivudine work by inhibiting the reverse transcriptase enzyme, an essential component for the HIV virus to replicate. Choices A, B, and D are incorrect because lamivudine does not function as a CCR5 antagonist, fusion inhibitor, or protease inhibitor in the management of HIV infection.
5. Major complications of diabetes include damage to the:
- A. stomach, liver, and pancreas
- B. eyes, nerves, and kidneys
- C. skin, blood vessels, and lungs
- D. brain, pituitary gland, and thyroid gland
Correct answer: B
Rationale: The correct answer is B: eyes, nerves, and kidneys. In diabetes, major complications result from damage to small blood vessels that supply these organs. Damage to the eyes can lead to retinopathy, to the nerves causing neuropathy, and to the kidneys causing nephropathy. Choices A, C, and D are incorrect as they do not represent the typical major complications associated with diabetes.
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