ATI LPN
ATI Learning System PN Medical Surgical Final Quizlet
1. A patient with a diagnosis of deep vein thrombosis (DVT) is receiving heparin therapy. Which laboratory test should the nurse monitor to evaluate the effectiveness of the heparin therapy?
- A. Prothrombin time (PT)
- B. Partial thromboplastin time (PTT)
- C. Bleeding time
- D. Platelet count
Correct answer: B
Rationale: The correct answer is B: Partial thromboplastin time (PTT). Heparin affects the intrinsic pathway of the coagulation cascade, which is reflected by changes in the PTT. Monitoring the PTT helps ensure that the patient's blood is within the desired therapeutic range and prevents complications related to clotting or bleeding. Prothrombin time (PT) primarily assesses the extrinsic pathway and is not as sensitive to heparin therapy. Bleeding time and platelet count are not specific tests for monitoring the effectiveness of heparin therapy in DVT.
2. A 46-year-old man with a history of cirrhosis is brought in by his wife because he has been acting strangely. On examination, he is disoriented, ataxic, and has slurred speech. He is also hyperreflexic. His white blood cell count is normal. His hematocrit is 34%. Coagulation times are elevated. His ammonia level is normal. Which of the following statements regarding his management is correct?
- A. He should be treated with a low-protein diet and lactulose
- B. Lorazepam is not the drug of choice to control his behavior
- C. He should not be placed on gentamicin prophylactically to prevent the development of peritonitis
- D. If the patient complains of pain, acetaminophen should be avoided and nonsteroidal anti-inflammatory agents should be used
Correct answer: A
Rationale: This patient presents with symptoms consistent with hepatic encephalopathy. Despite having a normal ammonia level, he should be treated with lactulose and a low-protein diet as recommended for stage 2 hepatic encephalopathy. The normal ammonia level does not exclude the diagnosis, as it lacks sensitivity and specificity. Medications like lorazepam, gentamicin, and NSAIDs should be avoided due to their potential adverse effects in patients with liver disease. Acetaminophen should also be avoided in such patients.
3. A patient with chronic obstructive pulmonary disease (COPD) is prescribed ipratropium. What is the primary action of this medication?
- A. Reduce inflammation
- B. Relieve bronchospasm
- C. Suppress cough
- D. Thin respiratory secretions
Correct answer: B
Rationale: Ipratropium is an anticholinergic bronchodilator that primarily works to relieve bronchospasm by dilating the airways and improving airflow in patients with COPD. It does not have a significant effect on reducing inflammation, suppressing cough, or thinning respiratory secretions.
4. A client returns to the unit after a neck dissection. The surgeon placed a Jackson-Pratt drain in the wound. When assessing the wound drainage over the first 24 postoperative hours, what finding would prompt the nurse to notify the health care provider immediately?
- A. Presence of small blood clots in the drainage
- B. 60 mL of milky or cloudy drainage
- C. Spots of drainage on the dressings surrounding the drain
- D. 120 mL of serosanguinous drainage
Correct answer: B
Rationale: Milky or cloudy drainage can indicate infection or lymphatic leakage, which requires immediate attention. This finding may suggest a serious complication post neck dissection, warranting prompt notification of the healthcare provider for further evaluation and intervention.
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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