ASRT PRACTICE TEST 4 QUESTIONS & ANSWERS
To demonstrate the zygapophyseal joints of the thoracic vertebrae, a radiographer
should place the patient in a ________ position. - Answers - 70° oblique
While in the x-ray tube, x-rays travel at: - Answers - 3 x 10^8 m/s.
Which of the following urography examinations demonstrates the physiologic function of
the urinary system? - Answers - intravenous urography
A negative charge is applied to the _______to minimize electrostatic repulsion. -
Answers - focusing cup
The ICRP dose equivalent limit for the skin is_______ mSv. - Answers - 500
All of the following EXCEPT ________ minimize patient exposure. - Answers -
compensating filters
Which of the following is NOT an effective way to predict risk of a patient falling in the
radiology department? - Answers - ask the patient's family if they are at risk of falling
Beam penetrability is affected by: - Answers - filtration.
When using magnification mode during fluoroscopy: - Answers - exposure increases
and spatial resolution increases.
Technologists should be aware that one of the greatest concerns for an elderly patient
is fear of: - Answers - falling.
On the image below, the red arrow points to the: - Answers - costophrenic angle.
A patient is scheduled for a barium swallow. As the technologist begins to review the
instructions with the patient, it is evident that the patient seems lethargic. The
technologist should: - Answers - reschedule the examination because the patient will
not be able to swallow properly.
Beam quality relates to: - Answers - penetrating power of the primary beam.
The ________ risk model predicts that excess cancer deaths from irradiation will
increase over time as the naturally occurring risk increases with age in the nonirradiated
population. - Answers - relative
Milliamperage (mA) is selected at the: - Answers - rheostat.
, For a lateral projection of the humerus, it is necessary to have the coronal plane
passing through the humeral epicondyles aligned ________ to the image receptor. -
Answers - perpendicular
All of the following EXCEPT _______________can be used to monitor occupational
exposure. - Answers - dose-area product meters
Contrast media that readily absorb x-ray photons are considered: - Answers -
radiopaque.
For a lateral projection of the orbit, the central ray is perpendicular to the image receptor
and enters: - Answers - at the outer canthus.
When acquiring an AP projection of the knee on a patient who measures 18 cm from
the anterior superior iliac spine to the tabletop, the central ray should be: - Answers -
directed 3° to 5° caudad.
Of the following, ___________ is the MOST likely to result in changes in the DNA of
circulating lymphocytes. - Answers - cardiac catheterization
For conventional fluoroscopy, the light intensities must be converted by the ________ to
be viewed on a television monitor. - Answers - CCD
________ are used to reduce the effect of scatter radiation. - Answers - Radiographic
grids
The effective focal spot size is affected by which of the following? - Answers - target
angle
All of the following factors EXCEPT ________ are used to calculate cumulative air
kerma. - Answers - focal spot size
Which of the following is a facial bone that is also part of the orbit? - Answers - lacrimal
Contrast resolution of a CR/DR image is determined by the ________ of the system. -
Answers - bit depth
Anteroposterior (AP) oblique images of the chest can be used when a patient is too ill
for upright or prone positioning. When the patient is in a 45° right posterior oblique
(RPO) position: - Answers - the right lung field is best displayed.
A 58-year-old man is in the radiology department for an upper GI series (UGI). He has
followed nothing by mouth (NPO) instructions and has diabetes. When the radiographer
stands the patient to position him for the upright portion of the study, the patient says he
is dizzy and feeling weak. He took his morning medications along with his normal dose
of insulin. The patient MOST likely is experiencing ________, and the radiographer
To demonstrate the zygapophyseal joints of the thoracic vertebrae, a radiographer
should place the patient in a ________ position. - Answers - 70° oblique
While in the x-ray tube, x-rays travel at: - Answers - 3 x 10^8 m/s.
Which of the following urography examinations demonstrates the physiologic function of
the urinary system? - Answers - intravenous urography
A negative charge is applied to the _______to minimize electrostatic repulsion. -
Answers - focusing cup
The ICRP dose equivalent limit for the skin is_______ mSv. - Answers - 500
All of the following EXCEPT ________ minimize patient exposure. - Answers -
compensating filters
Which of the following is NOT an effective way to predict risk of a patient falling in the
radiology department? - Answers - ask the patient's family if they are at risk of falling
Beam penetrability is affected by: - Answers - filtration.
When using magnification mode during fluoroscopy: - Answers - exposure increases
and spatial resolution increases.
Technologists should be aware that one of the greatest concerns for an elderly patient
is fear of: - Answers - falling.
On the image below, the red arrow points to the: - Answers - costophrenic angle.
A patient is scheduled for a barium swallow. As the technologist begins to review the
instructions with the patient, it is evident that the patient seems lethargic. The
technologist should: - Answers - reschedule the examination because the patient will
not be able to swallow properly.
Beam quality relates to: - Answers - penetrating power of the primary beam.
The ________ risk model predicts that excess cancer deaths from irradiation will
increase over time as the naturally occurring risk increases with age in the nonirradiated
population. - Answers - relative
Milliamperage (mA) is selected at the: - Answers - rheostat.
, For a lateral projection of the humerus, it is necessary to have the coronal plane
passing through the humeral epicondyles aligned ________ to the image receptor. -
Answers - perpendicular
All of the following EXCEPT _______________can be used to monitor occupational
exposure. - Answers - dose-area product meters
Contrast media that readily absorb x-ray photons are considered: - Answers -
radiopaque.
For a lateral projection of the orbit, the central ray is perpendicular to the image receptor
and enters: - Answers - at the outer canthus.
When acquiring an AP projection of the knee on a patient who measures 18 cm from
the anterior superior iliac spine to the tabletop, the central ray should be: - Answers -
directed 3° to 5° caudad.
Of the following, ___________ is the MOST likely to result in changes in the DNA of
circulating lymphocytes. - Answers - cardiac catheterization
For conventional fluoroscopy, the light intensities must be converted by the ________ to
be viewed on a television monitor. - Answers - CCD
________ are used to reduce the effect of scatter radiation. - Answers - Radiographic
grids
The effective focal spot size is affected by which of the following? - Answers - target
angle
All of the following factors EXCEPT ________ are used to calculate cumulative air
kerma. - Answers - focal spot size
Which of the following is a facial bone that is also part of the orbit? - Answers - lacrimal
Contrast resolution of a CR/DR image is determined by the ________ of the system. -
Answers - bit depth
Anteroposterior (AP) oblique images of the chest can be used when a patient is too ill
for upright or prone positioning. When the patient is in a 45° right posterior oblique
(RPO) position: - Answers - the right lung field is best displayed.
A 58-year-old man is in the radiology department for an upper GI series (UGI). He has
followed nothing by mouth (NPO) instructions and has diabetes. When the radiographer
stands the patient to position him for the upright portion of the study, the patient says he
is dizzy and feeling weak. He took his morning medications along with his normal dose
of insulin. The patient MOST likely is experiencing ________, and the radiographer
