Test # 110
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1500 questions in 150 tests. Each test contains 10 questions.
Idiom of the Day
fall to (someone) to do (something)
to become the responsibility of someone to do something
It usually falls to me to tell my roommates to be quiet.
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Precautions while using Centrifuge
Discontinue use of any centrifuge that does not have a lid and do not retrofit the unit with a lid that does not have a latch. All personnel should follow universal precautions when performing centrifugation and other functions that may expose workers to splashed blood or body fluids. These precautions include wearing gloves, facial protection (e.g., shields), gowns or laboratory coats, and plastic aprons; these are described in detail in the National Committee for Clinical Laboratory Standards (NCCLS) tentative guideline and the Occupational Safety and Health Administration s (OSHA) bloodborne pathogens standard.