ATI RN
Nutrition ATI Proctored Exam
1. 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.
2. Which bond is formed by a positively charged metal ion and negatively charged nonmetal ion?
- A. Ionic bond
- B. Covalent bond
- C. Functional group
- D. Metallic bond
Correct answer: A
Rationale: The correct answer is an ionic bond. An ionic bond is formed when a positively charged metal ion joins with a negatively charged nonmetal ion, resulting in a transfer of electrons. In contrast, a covalent bond involves sharing electrons between atoms rather than complete transfer. Functional groups are specific groups of atoms within molecules that determine the molecule's chemical properties. Metallic bonds occur between metal atoms where electrons are shared across a delocalized electron cloud.
3. In obtaining a urine specimen for culture and sensitivity on a catheterized patient, the nurse is correct if:
- A. Clamp the catheter for 30 minutes, Alcoholize the tube above the clamp site, Obtain a sterile syringe and draw the
- B. Alcoholize the self sealing port, obtain a sterile syringe and draw the specimen on the self sealing port
- C. Disconnect the drainage bag, obtain a sterile syringe and draw the specimen from the drainage bag
- D. Disconnect the tube, obtain a sterile syringe and draw the specimen from the tube
Correct answer: D
Rationale: Understanding the underlying pathology and therapeutic techniques ensures that nursing care is not only reactive but also preventative, reducing the risk of complications.
4. Through the client’s health history, you gather that Mr. Dizon smokes and drinks coffee. When taking the blood pressure of a client who recently smoked or drank coffee, how long should the nurse wait before taking the client’s blood pressure for accurate reading?
- A. 15 minutes
- B. 30 minutes
- C. 1 hour
- D. 5 minutes
Correct answer: B
Rationale: Nursing interventions should be grounded in a deep understanding of the physiological processes involved, ensuring that care provided is both effective and efficient.
5. A nurse is caring for four clients. The nurse should plan to administer total parenteral nutrition for which of the following clients?
- A. A client who is postoperative following a laminectomy and is receiving IV PCA
- B. A client who has dysphagia and does not recognize his family
- C. A client who has COPD and is going home with oxygen
- D. A client who has colon cancer and will undergo a hemicolectomy
Correct answer: D
Rationale: Total parenteral nutrition (TPN) is essential for clients undergoing significant surgical procedures like a hemicolectomy to ensure they receive adequate nutrition when oral intake is not possible. Choices A, B, and C do not typically require TPN. Choice A is managing postoperative pain with IV PCA, choice B is likely to need alternative feeding methods due to dysphagia, and choice C is going home with oxygen for COPD management, which does not directly relate to the need for TPN.
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