Mammo, Tomo & MRI Exam Questions
& Answers (Grade A+)
The majority of mammography machines utilize a ______ inch SID.
Select one:
a. 24 to 30
b. 60 to 72
c. 30 to 36
d. 36 to 40 -
correct answer ✅a. 24 to 30
In magnification radiography, when the object is placed equidistant
between the source and the image receptor, the size of the image
wil be:
Select one:
a. 2.0 times object size
b. Four times object size
c. On half the object size
d. The same size as the object
e. 1.33 times object size -
correct answer ✅a. 2.0 times object size
When molybdenum is used for the x-ray tube target:
,Mammo, Tomo & MRI Exam Questions
& Answers (Grade A+)
Select one:
a. kVp can be higher
b. Useful characteristic x-rays are used
c. No bremsstrahlung x-rays are produced
d. No added filtration is required
e. mAs can be lower -
correct answer ✅b. Useful characteristic x-rays are used
The exposure time, with tomography, must match the:
Select one:
a. fulcrum height
b. length of time required for the x-ray tube to complete the
tomographic amplitude
c. section thickness
d. none of the above -
correct answer ✅b. length of time required for the x-ray tube to
complete the tomographic amplitude
X-ray tube potential below 20 kVp is not used in mammography
because:
Select one:
,Mammo, Tomo & MRI Exam Questions
& Answers (Grade A+)
a. X-ray penetration is not sufficient.
b. Generators are not available for such low voltage.
c. Characteristic x-rays are not produced.
d. There are no x-rays below 20 keV.
e. Compton interaction predominates. -
correct answer ✅a. X-ray penetration is not sufficient.
Tomography affects patient dose by:
Select one:
a. reducing exposure time with high-speed film.
b. decreasing kVp, thus decreasing dose.
c. keeping the x-ray tube on during the entire tube travel , thus
increasing patient exposure.
d. using consistent rhythmic tube movement for uniform, efficient
exposure. -
correct answer ✅c. keeping the x-ray tube on during the entire
tube travel , thus increasing patient exposure.
The magnification factor increases with increasing:
Select one:
a. OID
, Mammo, Tomo & MRI Exam Questions
& Answers (Grade A+)
b. SID
c. Focal spot size
d. SOD
e. SSD -
correct answer ✅a. OID
If you are making a stereoradiograph at 200 centimeters SID, what
would the amount of tube shift be on either side of the midline?
Select one:
a. 10 cm
b. 1 cm
c. 20 cm
d. 2 cm -
correct answer ✅a. 10 cm
During conventional tomography, structures that lie outside the
object plane are blurred because of which of the following?
Select one:
a. Absorption blur
b. Image receptor blur
& Answers (Grade A+)
The majority of mammography machines utilize a ______ inch SID.
Select one:
a. 24 to 30
b. 60 to 72
c. 30 to 36
d. 36 to 40 -
correct answer ✅a. 24 to 30
In magnification radiography, when the object is placed equidistant
between the source and the image receptor, the size of the image
wil be:
Select one:
a. 2.0 times object size
b. Four times object size
c. On half the object size
d. The same size as the object
e. 1.33 times object size -
correct answer ✅a. 2.0 times object size
When molybdenum is used for the x-ray tube target:
,Mammo, Tomo & MRI Exam Questions
& Answers (Grade A+)
Select one:
a. kVp can be higher
b. Useful characteristic x-rays are used
c. No bremsstrahlung x-rays are produced
d. No added filtration is required
e. mAs can be lower -
correct answer ✅b. Useful characteristic x-rays are used
The exposure time, with tomography, must match the:
Select one:
a. fulcrum height
b. length of time required for the x-ray tube to complete the
tomographic amplitude
c. section thickness
d. none of the above -
correct answer ✅b. length of time required for the x-ray tube to
complete the tomographic amplitude
X-ray tube potential below 20 kVp is not used in mammography
because:
Select one:
,Mammo, Tomo & MRI Exam Questions
& Answers (Grade A+)
a. X-ray penetration is not sufficient.
b. Generators are not available for such low voltage.
c. Characteristic x-rays are not produced.
d. There are no x-rays below 20 keV.
e. Compton interaction predominates. -
correct answer ✅a. X-ray penetration is not sufficient.
Tomography affects patient dose by:
Select one:
a. reducing exposure time with high-speed film.
b. decreasing kVp, thus decreasing dose.
c. keeping the x-ray tube on during the entire tube travel , thus
increasing patient exposure.
d. using consistent rhythmic tube movement for uniform, efficient
exposure. -
correct answer ✅c. keeping the x-ray tube on during the entire
tube travel , thus increasing patient exposure.
The magnification factor increases with increasing:
Select one:
a. OID
, Mammo, Tomo & MRI Exam Questions
& Answers (Grade A+)
b. SID
c. Focal spot size
d. SOD
e. SSD -
correct answer ✅a. OID
If you are making a stereoradiograph at 200 centimeters SID, what
would the amount of tube shift be on either side of the midline?
Select one:
a. 10 cm
b. 1 cm
c. 20 cm
d. 2 cm -
correct answer ✅a. 10 cm
During conventional tomography, structures that lie outside the
object plane are blurred because of which of the following?
Select one:
a. Absorption blur
b. Image receptor blur
