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PTCB PTCE Exam - Topic 4 Question 120 Discussion
Topic #: 4
According to the Institute for Safe Medication Practices (ISMP), which of the following is an approved abbreviation?
TheInstitute for Safe Medication Practices (ISMP)maintains a list oferror-prone abbreviationsthat shouldnot be usedin medication orders to prevent misinterpretation and medication errors.
Analysis of the Answer Choices:Abbreviation
Meaning
ISMP Recommendation
U
Units
Do NOT use Can be mistaken for '0' or '4' (e.g., 10U could be misread as 100).Use'unit'instead.
AD
Right ear
Do NOT use Can be confused with 'OD' (right eye).Use'right ear'instead.
AU
Both ears
Do NOT use Can be confused with 'OU' (both eyes).Use'both ears'instead.
gtt
Drop
Accepted Common and not considered error-prone.
Since'gtt' for drop is not on ISMP's 'Do Not Use' list, it is the correct answer.
ISMP List of Error-Prone Abbreviations-- Confirms that 'U,' 'AD,' and 'AU' should not be used in prescriptions.
Joint Commission 'Do Not Use' List-- Prohibits 'U' and similar abbreviations to prevent dosing errors.
PTCB PTCE Exam Content Outline-- Covers error prevention strategies, including abbreviation safety.
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