A nurse has called into question the unit protocol around the regular flushing of percutaneous endoscopic gastrostomy (PEG) tubes to prevent occlusion.
Which of the following should guide the nurse's reconsideration of the evidence around PEG tube flushing?
A) Certainty that a new protocol will reliably prevent occlusion
B) Expressions of patient preference during a designated period of study
C) The rigor and reliability of a chosen research study
D) The combination of expertise and internal evidence
Question 2
While searching an online database for information on the use of drugs to treat hypertension, the nurse is unsatisfied with the quantity and quality of results after searching beta blockers. How should the nurse proceed?
A) Identify the appropriate MeSH term
B) Search for clinical guidelines in the Cochrane Library
C) Consult the reference lists in articles that appeared during the search
D) Search the trade names of specific beta-blocking drugs
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