mro m1 GNRL PRINCIPLES S3

RADIOGRAPHIC PHYSICS

rogentgen

Used to measure radiologic intensity,

abbreviated as R. It takes 1 R of radiation energy to ionize a certain number of atoms in a certain volume of air. An X-ray beam with an output measured at twice the roentgen

rad

unit used to measure x-ray radiation energy that is absorbed into the body

Measures the amount of energy absorbed per unit of mass (kg)

rem

Acronym for radiation equivalent man

measure of radiation exposure in settings that can be occupied and the amount that is absorbed by those who work around it

curie

measure of the rate of radioactive decay

amount of material that has 37 bill nuclei decaying in 1 sec (Ci)

gray

unit of absorbed radiation dose = 100 rads

standard unit for absorbed dose

RAD

standard unit for occupational exposure

rem

standard unit for exposure in air

roentgen

si unit for exposure to radiation workers

seivert (sv)

standard unit for radioactivity

curie (ci)

si unit for dose

gray

si unit for radioactive activity

becquerel (Bq)

si unit for # of electrons liberated in air

coulomb/kilogram

a tech’s flim badge reading would be measured in wha

REM

which unit of measure is appropriate as a unit of measure for a flouroscopic unit

roentgen

which measure would be most appropriate for a radioisotope used in nuc. med

Bq

rad. therapist uses what to express the quantity of rad. exposed to the patient in which unit

gray

si equivalent to 1rad

gray or 10 to the -2 gy

si unit for exposure

coulomb/kilogram

unit of measure to occupational expsosure

rem