3425 - MRO EXAMS | 122 QUESTIONS |
WITH ACCURATE SOLUTIONS!!
1 of
122
Term
What is the primary difference of direct DR over indirect DR?
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lacks the conversion of x-rays requires a longer exposure time for
to light images
, uses a film-based system for
is primarily used for color imaging
imaging
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2 of 122
Term
The air-gap technique requires mAs to be increased about____per
cm of OID.
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15% 20%
10% 5%
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3 of 122
Term
A PA chest examination (120 kVp/3 mAs) is taken at a SID of 300 cm. The
exposure at the image receptor is 0.12 mGya (12 mR). Calculate the
new mAs needed if the same image is obtained using a SID of
100 cm?
,Give this one a try later!
1.0 0.3
2.0 1.3
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4 of 122
Term
Which will decrease scatter production?
An increase in x-ray field size
A decrease in beam restriction
A decrease in kVp
An increase in patient thickness
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fast scan mode 1 and 3 only
2 and 3 only a decrease in kVp
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, 5 of 122
Term
A compensating filter might be used for a ________ radiographic exam.
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PA chest Lateral abdomen
AP pelvis Oblique spine
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6 of 122
Term
Small differences in the effective atomic number of adjacent tissues
results in:
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low subject contrast high receptor contrast
high radiographic density high subject contrast
Don't know?
WITH ACCURATE SOLUTIONS!!
1 of
122
Term
What is the primary difference of direct DR over indirect DR?
Give this one a try later!
lacks the conversion of x-rays requires a longer exposure time for
to light images
, uses a film-based system for
is primarily used for color imaging
imaging
Don't know?
2 of 122
Term
The air-gap technique requires mAs to be increased about____per
cm of OID.
Give this one a try later!
15% 20%
10% 5%
Don't know?
3 of 122
Term
A PA chest examination (120 kVp/3 mAs) is taken at a SID of 300 cm. The
exposure at the image receptor is 0.12 mGya (12 mR). Calculate the
new mAs needed if the same image is obtained using a SID of
100 cm?
,Give this one a try later!
1.0 0.3
2.0 1.3
Don't know?
4 of 122
Term
Which will decrease scatter production?
An increase in x-ray field size
A decrease in beam restriction
A decrease in kVp
An increase in patient thickness
Give this one a try later!
fast scan mode 1 and 3 only
2 and 3 only a decrease in kVp
Don't know?
, 5 of 122
Term
A compensating filter might be used for a ________ radiographic exam.
Give this one a try later!
PA chest Lateral abdomen
AP pelvis Oblique spine
Don't know?
6 of 122
Term
Small differences in the effective atomic number of adjacent tissues
results in:
Give this one a try later!
low subject contrast high receptor contrast
high radiographic density high subject contrast
Don't know?
