The same film type used for exposing dental radiographs can be used to duplicate them
Indicate whether the statement is true or false
False. Duplicating film is similar to dental x-ray film but is a single -emulsion film. It is exposed by the action of infrared and ultraviolet light rather than by x-rays.
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Which finding is of greatest concern when assessing a 33-year-old female who is eight months pregnant?
A) Shortness of breath when lying flat B) Recent onset of a fever of 99.3°F C) Daily contractions that are irregular and painful D) Vaginal bleeding not associated with pain
The principal mechanism of action of phenytoin (Dilantin) in treating status seizures is the:
A) blocking of GABA receptor sites to prevent further cellular activity in the CNS. B) influx of calcium ions through calcium channels to enhance depolarization. C) blocking of acetylcholine receptor sites at the neuromuscular junction to prevent convulsions. D) prevention of sodium ions entering the cell by closing sodium channels.