ATI RN
Proctored Nutrition ATI
1. What is the function of villi and microvilli in the GI tract?
- A. produce bile
- B. kill bacteria
- C. produce vitamin K
- D. increase the surface area for absorption
Correct answer: D
Rationale: Villi and microvilli in the GI tract serve to increase the surface area of the small intestine, aiding in the absorption of nutrients into the bloodstream. Choices A, B, and C are incorrect as villi and microvilli are primarily involved in enhancing absorption, not in producing bile, killing bacteria, or producing vitamin K.
2. Causes of acute renal failure include:
- A. chronic renal failure
- B. uncontrolled diabetes mellitus
- C. recurrent urinary tract infections
- D. severe injury such as extensive burns
Correct answer: D
Rationale: The correct answer is D. Severe injuries, like extensive burns, can cause acute renal failure due to shock, reduced blood flow to the kidneys, and tissue damage. Choices A, B, and C are incorrect because chronic renal failure, uncontrolled diabetes mellitus, and recurrent urinary tract infections are more likely to contribute to chronic kidney disease rather than acute renal failure.
3. The goal of remotivation therapy is to facilitate:
- A. Insight C. Socialization
- B. Productivity D. Intimacy
- C.
- D.
Correct answer: A
Rationale: Patient safety and efficacy of care depend on actions rooted in established nursing protocols that consider both the immediate and long-term needs of the patient.
4. What is the purpose of a chest tube after a lobectomy procedure, as understood by the nurse?
- A. Prevent mediastinal shift
- B. Promote chest expansion of the remaining lung
- C. Drain fluids and blood accumulated post-operatively
- D. Remove the air in the lungs to promote lung expansion
Correct answer: C
Rationale: After a lobectomy, a chest tube is typically inserted to drain fluids and blood that may have accumulated post-operatively. This tube helps to prevent complications, such as infections or pneumonia, and aids in patient recovery. While a chest tube may aid in preventing a mediastinal shift (Choice A), promoting chest expansion of the remaining lung (Choice B), and removing air in the lungs to promote lung expansion (Choice D), these are not the primary reasons for its use after a lobectomy. Therefore, Choices A, B, and D are incorrect.
5. The RR nurse should monitor for the most common postoperative complication of:
- A. hemorrhage
- B. endotracheal tube perforation
- C. osopharyngeal edema
- D. epiglottis
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.
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