The PAC-R is not related to the determination of health risks in individuals who will start physical exercise. PAC-R is a modified cellulosic polymer. it is nothing more than a fluid used mechanically in physical objects. PAC-R has a very high viscosity. This makes it essential in the infiltration control of other bentonite drilling fluids, as its viscosity limits the movement of these fluids.
The answer is C: It is more helpful in determining whether surgery is necessary. CT scans also reduce the need for exploratory surgeries, and improve cancer diagnosis and treatment.