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Maintained and Updated as of 2023
There are 175 questions (150 scored, 25 unscored) on the CST exam divided across the following three categories: Perioperative Care (91 questions), Ancillary Duties (26 questions), and Basic Science (33 questions).
The CST exam is 4 hours long.
Earning a passing score on the CST exam grants the test taker CST certification from NCCA.
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