What is the medical term for visible changes in density on chest x-ray that indicates pulmonary pathology?

Wrongfully keeping an overpayment is illegal and is called:

A) conversion. B) retention. C) fraud. D) embezzlement.

Office staff should check ____ regularly to ensure they are functioning properly. 

A. reception area televisions B. computer systems C. security systems D. thermostats E. smoke detectors