Never don gown and gloves directly from a(n) __________________, and do not allow anyone else entering the sterile field to do so
A. surgically draped back table B. undraped mayo stand
ANS: A
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If the nursing assistant is asked to perform an unfamiliar procedure, then he or she should:
A. ask the maid for help. B. ask another nurse aide to do it. C. ask the charge nurse or in-service educator to demonstrate the procedure. D. skip it and say nothing.
An increase in CO2 causes an increase in hydrogen ion concentration and a decrease in pH
Indicate whether the statement is true or false
This type of study has less validity than an RCT, but it has utility in some circumstances. The problem in this study design is that there is an increased chance that the study groups will be different
A) Cohort study B) Nonrandomized controlled trial C) Cross-sectional study D) Case series
Before draining into the right atrium, where do the large veins of the coronary circulation gather together?
a. Coronary sinus b. Left posterior coronary vein c. Right coronary sulcus d. Thebesian veins