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Adult Medical Surgical ATI
1. Which of the following statements is true about ischemic colitis?
- A. Typically requires colonic resection
- B. Affects the watershed areas of the colon, namely, the splenic flexure, right colon, and rectum
- C. Is only seen in the elderly
- D. Requires colonoscopic intervention
Correct answer: B
Rationale: Ischemic colitis most often results from low-flow states associated with hypotension or poor perfusion. As a result, the vascular watershed areas of the colon, including the splenic flexure, right colon, and rectum, are at highest risk of ischemic injury. Therefore, option B is correct as it accurately identifies the areas commonly affected by ischemic colitis.
2. A client admitted with a diagnosis of sepsis has a central venous pressure (CVP) of 15 mm Hg. What should the nurse do first?
- A. Administer a fluid bolus of 500 ml.
- B. Notify the healthcare provider immediately.
- C. Administer a diuretic.
- D. Continue to monitor the CVP.
Correct answer: B
Rationale: A CVP of 15 mm Hg is higher than normal, indicating possible fluid overload or heart failure, which needs immediate attention. Notifying the healthcare provider is crucial as they can evaluate the client's condition, order appropriate interventions, and prevent potential complications.
3. In evaluating a 10-year-old child with meningitis suspected of having diabetes insipidus, which finding is indicative of diabetes insipidus?
- A. Decreased urine specific gravity.
- B. Elevated urine glucose.
- C. Decreased serum potassium.
- D. Increased serum sodium.
Correct answer: A
Rationale: Diabetes insipidus is characterized by the kidneys' inability to concentrate urine, leading to decreased urine specific gravity. This results in the excretion of large volumes of dilute urine, causing a decrease in urine specific gravity. Therefore, when evaluating a suspected case of diabetes insipidus, a finding of decreased urine specific gravity is indicative of this condition.
4. A 45-year-old woman with occasional indigestion has had episodes of chest pain and dysphagia to both solids and liquids. An upper GI series and EGD fail to disclose any structural abnormalities. What is the most appropriate initial therapy?
- A. Sucralfate
- B. Proton pump inhibitor
- C. Prokinetic agent
- D. Benzodiazepine
Correct answer: B
Rationale: The patient's symptoms of chest pain and dysphagia suggest esophageal spasm, often related to underlying gastroesophageal reflux. The initial therapy should focus on acid suppression. Proton pump inhibitors are the preferred choice to reduce acid production and alleviate symptoms. If proton pump inhibitors are ineffective, other options like smooth muscle relaxants or antidepressants may be considered. A Heller myotomy is not indicated in this case as the patient does not have achalasia.
5. A patient is being cared for after bariatric surgery, and the healthcare provider is assessing for hemorrhage. What is a sign of hemorrhage?
- A. Increase in blood pressure
- B. Frank red bleeding from the surgical site
- C. Clear drainage from the surgical wound
- D. Decrease in heart rate
Correct answer: B
Rationale: Frank red bleeding from the surgical site is a significant sign of hemorrhage that warrants immediate attention. It indicates active bleeding that needs to be addressed promptly to prevent further complications.
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