بسم-الله-الرحمن-الرحيم

IONIZING RADIATION

IONIZING RADIATION IS A TYPE OF ENERGY RELEASED BY ATOMS THAT TRAVELS IN THE FORM OF ELECTROMAGNETIC WAVE (GAMMA OR X-RAYS OR PARTICLES (NEUTRONS BETA OR ALPHA).
WHAT IS IONIZING RADIATION?

NATURAL RADIATION SOURCES:
RADIOACTIVE MATERIALES FOUND IN 60 NATURALLY SOURECES LIKE, SOIL, WATER, AIR AND RADON.
HUMAN MADE RADIATION SOURECES :
FOUND IN NUCLEAR POWER GANARATION, MEDICAL USES OF RADIATION INCLUDING X-RAY MACHINES.
RADIATION SOURCES

INTERNAL EXPOSURE:
IT ENTERS IN TO THE BLOODSTREAM BY INJUCTION OR THROUGH WOUNDS AND IT STOP WHEN THE RADIONUCLIDE IS ELIMINATED FROM THE BODY AS RESULT OF A TREATMENT.
EXTERNAL EXPOSURE:
PLANNED EXPOSURE
EXISTING EXPOSURE
EMERGENCY EXPOSURE
EXPOSURE TO IONIZING RADIATION

RADIATION DAMAGE TO TISSUE OR ORGANS DEPENDS ON THE DOSE OF RADIATION RECEIVED OR THE ABSORBED DOSE .
DOSE OF RADIATION RECEIVED :
THE DAMAGE DEFRES WITH AMOUNT OF RADIATION FROM HIGH TO LOW.
ABSORBED DOSE :
THE ABSORBED DOSE DEPENDS ON THE TYPE OF RADIATION AND THE SENSITIVITY OF DIFFERENT TISSUES AND ORGANS.
HEALTH EFFECTS OF IONIZING RADIATION