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WEEK 11 QUIZ

QuestionAnswer
Secondary radiation includes 1. leakage radiation. 2. primary radiation. 3. scatter radiation. 1 AND 3
annual effective dose limit for individual members of the general population not occupationally exposed is ___ or frequent exposures from artificial sources other than medical irradiation and natural background and ___ for infrequent annual exposure. 50 MSV ; 25 MSV
FOR PRIMARY RADIATION, WHAT IS THE TERM REPORESENTING A PORTION OF BEAM ON TIME .... USE FACTOR
ANOTHER TERM FOR USE FACTOR (U) BEAM DIRECTION FACTOR
If the peak energy of the x-ray beam is 100 kVp, a protective lead apron must be the equivalent to at least which of the following measures? 0.25
WHENEVER SCATTERED RADIATION DECREASES, THE RADIOPGRAPHERS EXPOSURE ....... DECREASES
WHEN A SHOULD A RADIOGRAPHER ALWAYS WEAR A THYROID SHEILD FLUOROSCOPY AND XR SPECIAL PROCEDURES
THE MAXIMUN WEEKLY PERMITTED EQUIVALENT DOSE 1 MSV
WHEN A RADIOGRAPHER DECLARES HER PREGNANCY TO HER EMPLOYER ............. She continues to perform her duties without interruption of employment, provided that she has received radiation safety counseling and follows established radiation safety practices.
A protective curtain, or sliding panel, with a minimum of 0.25-mm lead equivalent, should normally be positioned between the fluoroscopist and the patient to intercept which of the following types of radiation? SCATTER
FACILITIES ROOM DOORS HAVE ATTENUATION FOR DIAGNOSTIC ENERGY, PROVIDED BY ............. 0.8
..................... IS ESSENTIALLY THE RADIATION OUTPUT WEIGHTED TIME WORKLOAD
increases the radiographer’s risk of exposure to radiation 1. Mobile C-arm fluoroscopy 2. Interventional procedures that use high level control fluoroscopy 3. Mobile radiographic examinations ALL
FOR C ARM DEVICES WITH SIMILAR FIELDS OF VIEW COMPARABLE TO: ROUTINE FLUOROSCOPY
exposure from radiation-related jobs will not alter the ______________________, radiation workers may receive a larger equivalent dose than members of the general population. GENETICALLY SIGNIFICANT DOSE
TO ENSURE THAT THE LIFETIME RISK OF OCCUPATIONALLY EXPOSED PERSONS REMAINS ACCEPTABLE.... 10 TIMES THE OCCUPATIONALLY
If the intensity of the x-ray beam is inversely proportional to the square IT DECREASES BY A FACTOR OF 9 AT NEW DISTANCE
While standing behind the control-booth barrier, a radiographer makes a radiographic exposure. The x-rays scattered from the patient’s body should ____________________. scatter a minimum of 2 times before reaching any area behind the control-booth barrier.
WHAT ADJUSTMENT IN TECHNICAL FACTORS DECREASES PRODUCTION OF SCATTERED RADIATION INCREASES KVP AND DECREASE IN MAS IN COMPENSATION
Compared to general diagnostic radiography performed in an x-ray room, imaging personnel receive the highest occupational exposure during which of the following procedures Mobile radiography X-ray special radiographic procedures ALL
SCATTERED RADIATION TO THE LENS OF THE EYES, CAN BE REDUCED BY PROTECTIVE EYEGLASS LEAD THAT INCLUDE.... 0.35
WHO SHOULD DETERMINE THE EXACT SHIELDING REQUIREMENTS FOR PARTICULAR IMAGING FACILITY ........ MEDICAL PHYSICIST
WHEN TIME SPENT IN A HIGHER RADIATION AREA IS REDUCED OR LIMITED, OCCUPATIONAL EXPOSURE ALSO REDUCED
WHAT PARTS OF THE XRAY UNIT SHOUKD NOT BE TOUCHED TUBE HOUSINF, COLLIMATOR, HIGH TENSION CABLES
DESIGN CONSIDERATIONS 1. The mean energy of the x-rays that will strike the barrier 2. Whether the barrier is of a primary or secondary nature 3. The workload of the unit 4. The use factor of the unit 5. The occupancy factor behind the barrier ALL
Created by: Jjpena02
 

 



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