Taking one radiograph on an emergency patient who is pregnant is acceptable if what precautions are followed?
the patient has a digital radiograph taken
the patient is properly draped with a lead apron
the patient has a clearance from her obstetrician
none of the above; the pregnant patient is never to have radiographs
the patient is properly draped with a lead apron
Rationale: the patient is properly draped with a lead apron – It is safe to take a needed radiograph to diagnose a dental condition if the patient is properly draped and the ALARA principle is followed.
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What is a liquid's flash point?
A) Lowest temperature of a liquid, as determined by specific laboratory tests, at which the liquid gives off vapors at a sufficient rate to support a momentary flame across its surface B) Highest temperature of a liquid, as determined by specific laboratory tests, at which the liquid gives off vapors at a sufficient rate to support a flame across its surface C) Lowest temperature of a liquid, as determined by specific laboratory tests, at which the liquid reaches its boiling point D) Lowest temperature of a liquid, as determined by specific laboratory tests, at which the liquid gives off vapors at a sufficient rate that is too rich to support a combustion
The dentist asks you to set up an operative tray for a composite restoration on tooth #2 MOD. Which item would NOT appear on the tray?
condenser a curing light Peeso reamers matrix band and wedges