Which infusion device should the nurse select when the client requires a large volume of fluid delivered at a precise milliliter per hour rate?
A. Cassette pump
B. Syringe pump
C. Volumetric controller
D. Nonvolumetric controller
A
Volumetric and nonvolumetric controllers count drops for administered volume and are inhe-rently inaccurate because of variation in drop size. A syringe pump is accurate but not appropriate for a large volume.
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The nurse is caring for a patient who is being mechanically ventilated. What strategies have been shown to prevent ventilator-acquired pneumonia (VAP)? Select all that apply
A) Routine prone positioning B) Elevate head of bed 30 degrees if not contraindicated C) Oral care with plaque removal every 2 to 4 hours D) Balanced nutrition by gastric tube E) Continuous subglottic suctioning of secretions F) Frequent turning and chest physiotherapy
A critically ill patient with sepsis meets the criteria for the administration of activated protein C (drotrecogin alfa [activated], marketed as Xigris). What is the most important effect of Xigris?
A) It improves tissue oxygenation and capillary bed perfusion. B) It improves nutritional balance through protein supplementation. C) It reduces the direct cost of critical care support and management. D) It directly reduces the number of microbes and toxins responsible for sepsis.
A woman is 10 weeks pregnant. Her initial prenatal laboratory screening test for rubella showed an antibody titer of less than 1:6. The woman calls the clinic and tells the nurse that she has been exposed to measles
The nurse's best response is: 1. "Since you are in your first trimester of pregnancy, this is not likely to be a problem." 2. "Would you like to see a counselor to talk about your options for the remainder of your pregnancy?" 3. "You should come to the clinic in the next day or two for further evaluation." 4. "You need to have a rubella vaccination immediately. Can you get a ride to the clinic today?"
A patient is admitted with liver cirrhosis. The nurse realizes that this patient's immunity might be affected because:
1. Complement is made in the liver and has a role in inflammatory and immune responses. 2. White blood cells are stored in the liver. 3. Red blood cells are made in the liver. 4. Interferon will not function in this patient.