FULL TEST BANK For Radiation protection in Medical Radiography 9th Edition by Mary Alice Statkiewicz Sherer AS RT(R) FASRT (Author) latest Update Graded A+

6. During which of the following x-ray examinations should a raDIographer always wear a thyroid shield? a. Fluoroscopy and special PRocedures b. Routine mobile raDIographic PRocedures c. General DIagnostic raDIographic PRocedures performed in an x-ray room d. DIgital raDIography PRocedures and computed raDIography PRocedures ANS: A REF: 315 7. While stanDIng BEhind the control-booth barrier, a raDIographer makes a raDIographic exPOsure. The x-rays scattered from the patient’s body should . a. not have enough energy remaining that will reach BEhind the control-booth barrier. b. scatter only once BEfore reaching any area BEhind the control-booth barrier. c. scatter a minimum of two times BEfore reaching any area BEhind the control-booth barrier. d. scatter a minimum of 10 times BEfore reaching any area BEhind the control-booth barrier. ANS: C REF: 316 8. Which of the following is another term for use factor (U)? a. Workload factor b. Occupancy factor in controlled and uncontrolled areas c. BEam DIrection factor d. PRotective barrier thickness consideration factor ANS: C REF: 328 9. The annual effective dose limit for inDIvidual memBErs of the general POpulation not occupationally exPOsed is for continuous or frequent exPOsures from artificial sources other than meDIcal irraDIation and natural background and for infrequent annual exPOsure. a. 1 mSv, 5 mSv b. 3 mSv, 7 mSv c. 5 mSv, 9 mSv d. 50 mSv, 25 mSv ANS: A REF: 309 10. A sPOt film device PRotective curtain, or sliDIng panel, of a minimum thickness 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? a. PRimary raDIation b. Scattered raDIation above the tabletop c. Exit or image formation raDIation d. DIrect raDIation ANS: B REF: 320 11. If the intensity of the x-ray BEam is inversely PRoPOrtional to the square of the DIstance from the source, how does the intensity of the x-ray BEam change when the DIstance from the source of raDIation and a measurement POint is tripled? a. It increases by a factor of 3 at the new DIstance. b. It increases by a factor of 9 at the new DIstance. c. It decreases by a factor of 9 at the new DIstance. d. It decreases by a factor of 3 at the new DIstance. ANS: C REF: 314 12. What is the term for the PRoPOrtional amount of time during which the x-ray BEam is energized or DIrected toward a particular barrier? a. Occupancy factor b. Workload factor c. DIstance factor d. Use factor ANS: D REF: 328 13. The maximum weekly permitted equivalent dose for a controlled area must not exceed: a. 1 millisievert. b. 100 millisievert. c. 20 microsievert. d. 2 microsievert. ANS: A REF: 328 14. When a raDIologic technologist declares her PRegnancy to her employer, which of the following is apPRoPRiate? a. Her employer terminates her employment until after her child is born. b. She is able to continue her employment but is not permitted to perform any raDIologic PRocedures during the remainder of her PRegnancy. c. Her employer requires her to take a leave of absence until after the completion of the first trimester of the PRegnancy and then return to her normal duties. d. She continues to perform her duties without interruption of employment, PRovided that she has received raDIation safety counseling and follows established raDIation safety PRactices. ANS: D REF: 312 15. Which part(s) of a DIagnostic x-ray unit should a raDIographer avoid touching while a raDIographic exPOsure is in PRogress? a. Control panel