What is the purpose of a cumulative timer during fluoroscopy?

alerts the occupational worker of the length of time live radiation has been produced
terminates the exposure
eliminates lengthy exams
reduces technologist exposure

alerts the occupational worker of the length of time live radiation has been produced

Rationale: The cumulative timer for image intensification or fluoroscopy will alert audibly every 5 minutes and then be required to be reset. This timer helps to remind occupational workers of the radiation time and must be recorded for patient exams.

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If a collapsed trench or cave-in has caused a burial, a(n) ____________ ____________ is likely

Fill in the blank(s) with correct word

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Which of the following BEST describes the progression of electrical conductivity in an EKG with normal transition?

A) V1 through V3 are mostly negative, V4 is isoelectric, and V5 and V6 are mostly positive. B) V1 through V3 are mostly negative, V3 through V5 are mostly positive, and V6 is isoelectric. C) V1 through V3 are isoelectric, V4 is mostly negative, and V5 and V6 are mostly positive. D) V1 and V2 are mostly positive, V3 and V4 are isoelectric, and V5 and V6 are mostly negative.

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