A roentgen is considered to be what when talking about dental radiograph?
equal to one rad times the unit of absorbed dose
a special unit of exposure to radiation measured in air
a traditional unit of measurement
equal to six coulombs of radiation
a special unit of exposure to radiation measured in air
Rationale: a special unit of exposure to radiation measured in air
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The conversion from paper to electronic health record format is done:
A) by scanner. B) through data entry. C) over a period of time. D) all of the above
Which of the following is used for continuous stirring?
A) Electronic mortar and pestle B) Magnetic stir plate C) Liquid blender D) Stirring rod
AIDS immunosuppressed patients are at risk for all of the following except:
a. Mucous membrane pemphigoid b. Severe herpes simplex virus infections c. Severe aphthous ulcers d. Syphilis e. Tuberculosis
The T wave is often referred to as the ________ phase of the cardiac cycle.
A. intense B. resting C. working D. moving