Test Bank For Radiation Protection in Medical Radiography
Test Bank 1 For Radiation Protection in
Medical Radiography 9th Edition By Mary
Alice Statkiewicz Sherer; Paula J. Visconti;
E. Russell Ritenour; Kelli Haynes |
9780323825030 | | Chapter 1-16 | All
Chapters with Answers and Rationales
The use of optimum kV for small, medium, and large body parts is the premise of
A. fixed kV, variable mAs technique chart
B. variable kV, fixed mAs technique chart
C. fixed mAs, variable body part technique
D. fixed mAs, variable SID technique - ANS :A. fixed kV, variable mAs technique chart
An exposure was made using 200 mA, 50-ms exposure, and 75 kV. Each of the following
changes will effectively double radiographic receptor exposure, except
TEST BANK FOR RADIATION PROTECTION IN MEDICAL
ADMIN
RADIOGRAPHY
, Test Bank For Radiation Protection in Medical Radiography
A. change to 0.1 s exposure
B. change to 86 kV
C. change to 20 mAs
D. change to 100 mA - ANS :D. change to 100 mA
A radiographic procedure requires technical factors of 75 kV and 5 mAs for a nongrid
exposure. If a 10 inch air-gap technique was to be employed, what mAs should be used to
preserve IR exposure?
A. 5 mAs
B. 20 mAs
C. 25 mAs
D. 30 mAs - ANS :D. 30 mAs
Of the following groups of technical factors, which will produce the greatest receptor
exposure?
A. 200 mA, 50 ms, 36 inch SID
B. 400 mA, 0.05 s, 72 inch SID
C. 400 mA, 0.10 s, 72 inch SID
D. 200 mA, 100 ms, 36 inch SID - ANS :D. 200 mA, 100 ms, 36 inch SID
Which of the following pathologic conditions would require an increase in technical factors?
A. Pneumoperitoneum
B. Obstructed bowel
TEST BANK FOR RADIATION PROTECTION IN MEDICAL
ADMIN
RADIOGRAPHY
, Test Bank For Radiation Protection in Medical Radiography
C. Renal colic
D. Ascites - ANS :D. Ascites
The term used to describe the number of bits per pixel, which has a significant effect on gray
scale, is
A. voxel
B. bit depth
C. histogram
D. TFT - ANS :b. bit depth
All of the following statements regarding automatic exposure control are true, except
A. AECs function to produce consistent and comparable receptor exposures
B. ionization chambers are located between the x-ray table and the IR
C. AECs will compensate for tissue thickness and density differences
D. minimum reaction time is the longest exposure time possible with a particular AEC - ANS
:D. minimum reaction time is the longest exposure time possible with a particular AEC
Which of the following statements regarding protective filtration is/are true?
1. Protective filtration functions to reduce patient skin dose
2. Protective filtration increases the overall average energy of the x-ray beam
3. Protective filtration has no impact on receptor exposure
A. 1 only
B. 1 and 2 only
TEST BANK FOR RADIATION PROTECTION IN MEDICAL
ADMIN
RADIOGRAPHY
, Test Bank For Radiation Protection in Medical Radiography
C. 1 and 3 only
D. 1, 2, and 3 - ANS :D. 1, 2, and 3
A satisfactory receptor exposure was obtained by using 12 mAs and 400 mA. What exposure
time would be required to produce the same receptor exposure by using 1200 mA?
A. 0.1 ms
B. 1.0 ms
C. 10 ms
D. 100 ms - ANS :C. 10 ms
Grid absorption of the useful beam is termed
A. cleanup
B. cutoff
C. focusing
D. compensation - ANS :B. cutoffIn the early 1800s English chemist John dalton theorized
that
A. Atoms are unique to each element in size and mass
B. A chemical reaction results from atoms being rearranged
C. All of these
D. Elements form compounds
C. All of these
Of the following fundamental particles, which two have approximately the same mass?
A. Electron & Proton
B. Neutron & Proton
C. Proton & Photon
D. Neutron & Electron
B. Neutron & Proton
TEST BANK FOR RADIATION PROTECTION IN MEDICAL
ADMIN
RADIOGRAPHY
Test Bank 1 For Radiation Protection in
Medical Radiography 9th Edition By Mary
Alice Statkiewicz Sherer; Paula J. Visconti;
E. Russell Ritenour; Kelli Haynes |
9780323825030 | | Chapter 1-16 | All
Chapters with Answers and Rationales
The use of optimum kV for small, medium, and large body parts is the premise of
A. fixed kV, variable mAs technique chart
B. variable kV, fixed mAs technique chart
C. fixed mAs, variable body part technique
D. fixed mAs, variable SID technique - ANS :A. fixed kV, variable mAs technique chart
An exposure was made using 200 mA, 50-ms exposure, and 75 kV. Each of the following
changes will effectively double radiographic receptor exposure, except
TEST BANK FOR RADIATION PROTECTION IN MEDICAL
ADMIN
RADIOGRAPHY
, Test Bank For Radiation Protection in Medical Radiography
A. change to 0.1 s exposure
B. change to 86 kV
C. change to 20 mAs
D. change to 100 mA - ANS :D. change to 100 mA
A radiographic procedure requires technical factors of 75 kV and 5 mAs for a nongrid
exposure. If a 10 inch air-gap technique was to be employed, what mAs should be used to
preserve IR exposure?
A. 5 mAs
B. 20 mAs
C. 25 mAs
D. 30 mAs - ANS :D. 30 mAs
Of the following groups of technical factors, which will produce the greatest receptor
exposure?
A. 200 mA, 50 ms, 36 inch SID
B. 400 mA, 0.05 s, 72 inch SID
C. 400 mA, 0.10 s, 72 inch SID
D. 200 mA, 100 ms, 36 inch SID - ANS :D. 200 mA, 100 ms, 36 inch SID
Which of the following pathologic conditions would require an increase in technical factors?
A. Pneumoperitoneum
B. Obstructed bowel
TEST BANK FOR RADIATION PROTECTION IN MEDICAL
ADMIN
RADIOGRAPHY
, Test Bank For Radiation Protection in Medical Radiography
C. Renal colic
D. Ascites - ANS :D. Ascites
The term used to describe the number of bits per pixel, which has a significant effect on gray
scale, is
A. voxel
B. bit depth
C. histogram
D. TFT - ANS :b. bit depth
All of the following statements regarding automatic exposure control are true, except
A. AECs function to produce consistent and comparable receptor exposures
B. ionization chambers are located between the x-ray table and the IR
C. AECs will compensate for tissue thickness and density differences
D. minimum reaction time is the longest exposure time possible with a particular AEC - ANS
:D. minimum reaction time is the longest exposure time possible with a particular AEC
Which of the following statements regarding protective filtration is/are true?
1. Protective filtration functions to reduce patient skin dose
2. Protective filtration increases the overall average energy of the x-ray beam
3. Protective filtration has no impact on receptor exposure
A. 1 only
B. 1 and 2 only
TEST BANK FOR RADIATION PROTECTION IN MEDICAL
ADMIN
RADIOGRAPHY
, Test Bank For Radiation Protection in Medical Radiography
C. 1 and 3 only
D. 1, 2, and 3 - ANS :D. 1, 2, and 3
A satisfactory receptor exposure was obtained by using 12 mAs and 400 mA. What exposure
time would be required to produce the same receptor exposure by using 1200 mA?
A. 0.1 ms
B. 1.0 ms
C. 10 ms
D. 100 ms - ANS :C. 10 ms
Grid absorption of the useful beam is termed
A. cleanup
B. cutoff
C. focusing
D. compensation - ANS :B. cutoffIn the early 1800s English chemist John dalton theorized
that
A. Atoms are unique to each element in size and mass
B. A chemical reaction results from atoms being rearranged
C. All of these
D. Elements form compounds
C. All of these
Of the following fundamental particles, which two have approximately the same mass?
A. Electron & Proton
B. Neutron & Proton
C. Proton & Photon
D. Neutron & Electron
B. Neutron & Proton
TEST BANK FOR RADIATION PROTECTION IN MEDICAL
ADMIN
RADIOGRAPHY
