How often should blood gas calibration verification by control media take place?
a. At least one level of control media should be analyzed every 8 hr.
b. At least two levels of control media should be analyzed every day.
c. At least two levels of control media should be analyzed every 8 hr.
d. At least two levels of control media should be analyzed every hour.
ANS: C
As a general recommendation, at least two levels of control media should be analyzed during every 8-hr shift.
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