The culmination of your educational preparation is the five-hour exam administered by the ARRT to become a registered radiology assistant. Ace this and youâre ready to be the right hand man of the radiologist, working in a hospital, private clinic and other medical facilities.
The international inch is defined to be equal to 25.4 millimeters. âºâº Definition: Centimeter A centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundreth of a metre, the current SI base unit of length.
In 1959 the inch was set to be exactly 2.54 centimeters. Prior to that, it was set at 39.37 inches per meter. The difference is only 0.0002%, or 2 parts per million. The new definition is slightly smaller than the old definition. See US Survey unit description below.