ATI RN
ATI Nutrition Practice A
1. Select all that apply. Which of the following are true about protein digestion?
- A. the end products of protein digestion are amino acids
- B. protein/polypeptides are digested in the large intestine by trypsin
- C. A, D
- D. protein/polypeptides are digested in the stomach by pepsin
Correct answer: C
Rationale: Protein digestion begins in the stomach with the enzyme pepsin, which breaks down proteins into smaller polypeptides. The end products of protein digestion are amino acids.
2. What is the digestive action of lipase?
- A. It breaks down carbohydrates
- B. It breaks down proteins
- C. It breaks down lipids
- D. It aids in fat digestion
Correct answer: C
Rationale: Lipase is an enzyme that specifically breaks down lipids (fats) during the process of digestion, converting them into fatty acids and glycerol. This is why option C is the correct answer. Although option D is partially correct, it's less specific than option C. Lipase does not break down carbohydrates or proteins, so options A and B are incorrect.
3. A nurse is providing nutritional education to a client who is obese. The nurse should include in the information that which of the following gastrointestinal disorders is commonly associated with obesity?
- A. Peptic ulcer disease
- B. Gastroesophageal reflux disease
- C. Celiac disease
- D. Crohn’s disease
Correct answer: B
Rationale: Gastroesophageal reflux disease (GERD) is commonly associated with obesity due to increased abdominal pressure and other factors. Peptic ulcer disease (Choice A) is not commonly associated with obesity. Celiac disease (Choice C) is an autoimmune disorder triggered by gluten consumption and is not directly linked to obesity. Crohn’s disease (Choice D) is a type of inflammatory bowel disease and is not specifically associated with obesity.
4. What is the primary purpose of dietary fiber in the diet?
- A. Improving digestion
- B. Providing energy
- C. Aiding in the absorption of vitamins
- D. Reducing cholesterol
Correct answer: D
Rationale: The primary purpose of dietary fiber in the diet is to reduce cholesterol levels. While it does aid in digestion by promoting regular bowel movements, its main role is in lowering cholesterol. Choice A is partially correct but not the primary purpose. Choice B is incorrect as fiber is not a direct source of energy. Choice C is also incorrect as the primary role of fiber is not in the absorption of vitamins.
5. 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.
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