The assessment that ensures the nurse that the chest tube in a water seal drainage device is working correctly is the:
1. constant bubbling in the suction control chamber.
2. decrease of accumulation in the drainage chamber.
3. fluctuation of the column of water in the water seal.
4. constant bubbling in the water seal chamber.
3
The fluctuation of the level in the water seal indicates patency of the tubes with the reinflat-ing lung. Constant bubbling in the wet suction control is normal. Constant bubbling in the water seal indicates an air leak. Decreasing drainage is normal.
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A patient is taking atorvastatin calcium (Lipitor) to reduce serum cholesterol. What is the goal of therapy to reduce LDL cholesterol for a patient taking atorvastatin calcium (Lipitor)?
A) 100 mg/dL B) 75 mg/dL C) 80 mg/dL D) <70 mg/dL
When giving instructions to a parent whose child has scabies, what should the nurse include?
a. Treat all family members if symptoms develop. b. Be prepared for symptoms to last 2 to 3 weeks. c. Carefully treat only areas where there is a rash. d. Notify practitioner so an antibiotic can be prescribed.
A patient presents with severe chest pain and shortness of breath and is diagnosed with pulmo-nary embolism. The embolism most likely originated from the:
a. left ventricle. b. systemic arteries. c. deep veins of the leg. d. superficial veins of the arm.
The researcher has reported a one-tailed analysis of variance to test the hypothesis, "Nurse intervention plus group sessions is more effective than nurse intervention alone or community intervention in improving Framingham coronary risk scores among rural dwelling women in the Promoting Heart Health in Rural Women study." Why is the choice of a one-tailed test versus a two-tailed test
appropriate? 1. It is easier to reject the null hypothesis using a two-tailed test. 2. There is only one true variable in this study. 3. The researcher has stated a directional research hypothesis. 4. The nurse wishes to develop a theoretical framework for further study.