The interaction of fixer with the silver ions in the emulsion of film produces:
a. sodium carbonate solution.
b. a hydroquinone-elon combination.
c. silver halide molecules.
d. silver thiosulphate complex.
d. Silver thiosulphate complex is a very stable compound found in used fixer of dental radiographic processors following the interaction of sodium thiosulphate with the silver ions in the emulsion of film.
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Which instructions would you provide to a new EMT who is preparing to assess a stable 9-month-old boy who has a rash?
A) "To keep the baby calm, do not touch him during the assessment." B) "Start at the head and slowly work your way to the feet." C) "Allow the mother hold him as you do the assessment." D) "It is important not to undress a baby during assessment, as this will stress the baby."
Social epidemiology studies ____.
A. the effect of the environment on human health B. the effect of community socioeconomic factors on health C. lifestyle factors that may be associated with disease status D. diseases that are acute and contagious