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Adult Medical Surgical ATI
1. A client in acute renal failure has a serum potassium level of 6.3 mEq/L. What intervention can the nurse expect the healthcare provider to prescribe?
- A. Nitrofurantoin (Macrodantin) orally.
- B. Erythropoietin (Epogen) intravenously.
- C. Kayexalate retention enema.
- D. Azathioprine (Imuran) orally.
Correct answer: C
Rationale: In acute renal failure with high serum potassium levels, the healthcare provider is likely to prescribe a Kayexalate retention enema. Kayexalate is a medication used to lower elevated potassium levels by promoting potassium excretion through the gastrointestinal tract, thus aiding in the management of hyperkalemia in clients with renal failure.
2. The healthcare provider is assessing a client with chronic obstructive pulmonary disease (COPD). Which finding should the provider expect?
- A. Increased anteroposterior chest diameter.
- B. Decreased respiratory rate.
- C. Dull percussion sounds over the lungs.
- D. Hyperresonance on chest percussion.
Correct answer: A
Rationale: The correct answer is A: Increased anteroposterior chest diameter. The increased anteroposterior chest diameter, often referred to as a barrel chest, is a common finding in clients with COPD due to hyperinflation of the lungs. This occurs because of the loss of lung elasticity and air trapping, leading to a more rounded chest shape. Choices B, C, and D are incorrect. Decreased respiratory rate is not typically associated with COPD; instead, an increased respiratory rate may be seen due to the body's compensatory mechanisms. Dull percussion sounds and hyperresonance on chest percussion are not characteristic findings in COPD. Dull percussion sounds may be indicative of consolidation or pleural effusion, while hyperresonance is more commonly associated with conditions like emphysema.
3. 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.
4. During a home visit, the nurse should evaluate the adequacy of a client's COPD treatment by assessing for which primary symptom?
- A. Dyspnea
- B. Tachycardia
- C. Unilateral diminished breath sounds
- D. Edema of the ankles
Correct answer: A
Rationale: Assessing for dyspnea is crucial when evaluating COPD treatment effectiveness as it is a primary symptom of the condition. Dyspnea, or difficulty breathing, is a common and distressing symptom in COPD patients. Monitoring the severity of dyspnea can provide valuable insights into the client's response to treatment and disease progression.
5. A 68-year-old man with a history of diabetes, hypertension, and coronary artery disease (s/p coronary artery bypass graft two years ago) presents to the emergency room with fevers and left-sided abdominal pain. His physical examination reveals a temperature of 101.5°F, pulse 96, and blood pressure of 135/80. His abdomen is soft with moderate left lower quadrant tenderness. There is no rebound or guarding. Bowel sounds are present. A CT scan is done which reveals inflammation around an area of the left colon. The next step in his workup/management should be
- A. Antibiotic therapy with ciprofloxacin and metronidazole
- B. Referral for urgent colonoscopy
- C. Referral to a surgeon for immediate hemicolectomy
- D. Barium enema
Correct answer: A
Rationale: The patient's presentation is consistent with diverticulitis without evidence of perforation or abscess formation on CT scan. During acute infections, procedures like barium enema and colonoscopy should be avoided to prevent the risk of perforation. Urgent surgery is not indicated initially. The appropriate next step is to start antibiotic therapy aimed at gram-negative aerobes and anaerobes, such as ciprofloxacin and metronidazole, which are the initial treatment of choice for diverticulitis.
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