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UNIT 10 RADIOLOGY

FORMULATING XRAY TECHNIQUES

QuestionAnswer
DEFINE RADIATION PROTECTION MEASURES TAKEN TO SAFEGAURD PATIENTS, PERSONNEL AND THE PUBLIC FROM UNNECESSARY EXPOSURE TO IONIZING RADIATION
ID THE CONVENTIONAL AND SI UNITS FOR EXPOSURE (R) Conventional unit of radiation exposure
ID THE CONVENTIONAL AND SI UNITS FOR ABSORBED DOSE (RAD) Radiation Absorbed Dose
ID THE CONVENTIONAL AND SI UNITS DOSE EQUIVALENT (REM) Roentgen Equivalent Man
Define SSD The distance from the source of radiation inside the xray tube to the patient skin
ID WHICH CELLS ARE MORE OR LESS RADIOSENSITIVE NERVE - MUSCLE - BONE
DEFINE STOCHASTIC Those that can occur at lower doses of radiation
DEFIEN NON-STOCHASTIC Those that occur at higher doses of radiation
Differentiate between short-term somatic effects EFFECTS OCCUR WITH HIGH DOSES OF RADIATION AND ARE NON-STOCHASTIC
Differentiate between long term somatic effects EFFECTS OCCUR WITH LOWER DOSES OF RADIATION GIVEN OVER TIME AND ARE STOCHASTIC
DESCRIBE WHAT IS MEANT BY A GENETIC EFFECT EFFECTS THAT AFFECT THE OFF SPRING OF AN INDIVIDUAL
WHAT STEPS CAN A BXMO TAKE TO REDUCE EXPOSURE TO THIER PATIENTS USING LOW mAs and High kVp techniques use the smallest radiation avoid repeat exposures
HOW MUCH LEAD IS REQUIRED IN A GONADAL SHIELD? 0.5mm of lead equivalent
GONADAL SHIELD SHOULD BE USED UP TO WHAT AGE? 55 YEARS OLD
WHAT SHOULD A BXMO DO TO REDUCE THIER EXPOSURE WHEN IN THE XRAY ROOM TIME: least amount of time spent in xray room DISTANCE: Increase distance as much as possible Shielding: Lead apron-lead gloves-lead thryoid shield
WHERE SHOULD DOSIMETERS BE WORN COLLAR LEVEL AT FRONT OF THE BODY IF WEARING A LEAD APRON THESOSIMETER SHOULD BE WORN ON THE OUTSIDE
WHAT IS THE MAXIMUM YEARLY EFFECTIVE DOSE(DE)EQUIVALENT FOR OCCUPATIONAL EXPOSURE? The upper DE limit is 5rem (.05Sv) per year
When is a fetus most sensitive to radiation exposure? 1st trimester (3 Months)
WHERE SHOULD A PREGNANT WORKER WEAR A DOSIMETER IF THEY HAVE A LEAD APRON ON? 1 BADGE (RED) AT COLLAR ON OUTSIDE OF APRON and 2nd (GREEN) at abdomen underneath lead apron
Created by: spoon6464