Provide the formula for the clearance test and define its parts
What will be an ideal response?
Clearance = UV/P, where U is the concentration of the substance excreted in milligrams per milliliter of urine; V is the volume of urine excreted, expressed in millimeters per minute; and P is the concentration of the substance in the plasma expressed in milligrams per milliliter.
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The wife of a patient with a cuffed tracheostomy asks why the cuff is inflated intermittently. The nurse replies that the purpose of the inflated cuff is to:
a. prevent regurgitation after meals. b. hold the trachea open until it is completely healed. c. dilate the tracheal opening for passage of secretions. d. prevent aspiration when eating.
The nurse is caring for a client who is recovering from abdominal surgery. When determining the best goal statement for the client concerning level of pain, which of the following is most appropriate?
1. The client will verbalize pain relief using an intensity rating in 4 hours. 2. The client will state that he feels fine in 4 hours. 3. The nurse will observe fewer signs of pain in the client's demeanor. 4. The nurse will reevaluate the client's pain level every 2 hours.
Cronbach's alpha is used in tool development to determine:
a. equivalence of items. b. internal consistency. c. stability of measurement. d. triangulation of theories.
The nurse is aware of the growing development of evidence-based care. The nurse would recognize that an issue driving this development is:
a. increased variability in implementation of practice and variance analysis. b. requirement of evidence-based standards of care by PEW. c. decreased numbers of well-designed RCTs. d. growth of advanced practice roles.