________ help the body to maintain fluid balance by helping regulate the amount of fluid and electrolytes reabsorbed into and excreted from the blood

Graininess of a radiographic image results from

A) large silver halide crystals. B) the addition of radiosensitive dyes. C) a decrease in film speed. D) film packets that contain two films.

Which of the following should be a factor when selecting an outside collection agency? 

A. select an agency that will use harsh collection practices B. choose an agency after a patient fails to respond to the final collection letter or has twice broken a promise to pay C. encourage the agency to sue the debtors D. permit the agency to handle all cases regardless of special considerations