1|Page
HESI Radiology Exit Exam prep Version 3 Exam
Questions and Answers ||Verified Exam!!!||Practice
Questions with Solutions Newest | Already Graded
A+||Newest Exam!!!
Which technical factor increases the number of x-ray
photons reaching the image receptor (IR)?
Small focal spot size.
Large focal spot size.
Decreased milliamperage (mA).
Increased milliamperage (mA). - Answer-Increased
milliamperage (mA).
Which scenario causes foreshortening of the anatomy on
the image?
The arm flat against the image receptor (IR), and the
central ray angled along the long axis of the arm.
A two inch gap between the arm and the image receptor
(IR), and the central ray directed perpendicular to the long
axis of the arm.
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The humerus in contact with the image receptor (IR), the
forearm lifted off the image receptor, and the central ray
directed perpendicular to the long axis of the humerus.
The entire arm in contact with the image receptor, and the
central ray directed perpendicular to the long axis of the
arm. - Answer-The humerus in contact with the image
receptor (IR), the forearm lifted off the image receptor, and
the central ray directed perpendicular to the long axis of
the humerus.
Which device is located in the primary section of a general
x-ray circuit?
Timer circuit.
Milliampere (mA) meter.
Step-down transformer.
Rheostat. - Answer-Timer circuit.
Which acronym describes a network of computers that
manages digital images?
DICOM.
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RIS.
HIS.
PACS. - Answer-PACS.
Which term refers to the positive electrode of the x-ray
tube?
Diode.
Anode.
Cathode.
Triode. - Answer-Anode.
Which term describes the process by which an
overexposed or underexposed image receptor (IR)
appears acceptable on a display monitor?
Shuttering.
Rescaling.
Stitching.
Filtering. - Answer-Rescaling.
Which effect will a low signal-to-noise ratio (SNR) have on
the appearance of a digital radiographic image?
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Decreased dynamic range.
Decreased brightness.
Decreased contrast resolution.
Decreased spatial resolution. - Answer-Decreased
contrast resolution.
Which device in the x-ray circuit changes alternating
current to direct current?
Autotransformer.
Rectifier.
Rheostat
Filament. - Answer-Rectifier.
Which radiopaque marker is image-appropriate after
micturition has taken place?
Upright.
Decubitus.
Post-void.
Post-evacuation. - Answer-Post-void.
HESI Radiology Exit Exam prep Version 3 Exam
Questions and Answers ||Verified Exam!!!||Practice
Questions with Solutions Newest | Already Graded
A+||Newest Exam!!!
Which technical factor increases the number of x-ray
photons reaching the image receptor (IR)?
Small focal spot size.
Large focal spot size.
Decreased milliamperage (mA).
Increased milliamperage (mA). - Answer-Increased
milliamperage (mA).
Which scenario causes foreshortening of the anatomy on
the image?
The arm flat against the image receptor (IR), and the
central ray angled along the long axis of the arm.
A two inch gap between the arm and the image receptor
(IR), and the central ray directed perpendicular to the long
axis of the arm.
,2|Page
The humerus in contact with the image receptor (IR), the
forearm lifted off the image receptor, and the central ray
directed perpendicular to the long axis of the humerus.
The entire arm in contact with the image receptor, and the
central ray directed perpendicular to the long axis of the
arm. - Answer-The humerus in contact with the image
receptor (IR), the forearm lifted off the image receptor, and
the central ray directed perpendicular to the long axis of
the humerus.
Which device is located in the primary section of a general
x-ray circuit?
Timer circuit.
Milliampere (mA) meter.
Step-down transformer.
Rheostat. - Answer-Timer circuit.
Which acronym describes a network of computers that
manages digital images?
DICOM.
,3|Page
RIS.
HIS.
PACS. - Answer-PACS.
Which term refers to the positive electrode of the x-ray
tube?
Diode.
Anode.
Cathode.
Triode. - Answer-Anode.
Which term describes the process by which an
overexposed or underexposed image receptor (IR)
appears acceptable on a display monitor?
Shuttering.
Rescaling.
Stitching.
Filtering. - Answer-Rescaling.
Which effect will a low signal-to-noise ratio (SNR) have on
the appearance of a digital radiographic image?
, 4|Page
Decreased dynamic range.
Decreased brightness.
Decreased contrast resolution.
Decreased spatial resolution. - Answer-Decreased
contrast resolution.
Which device in the x-ray circuit changes alternating
current to direct current?
Autotransformer.
Rectifier.
Rheostat
Filament. - Answer-Rectifier.
Which radiopaque marker is image-appropriate after
micturition has taken place?
Upright.
Decubitus.
Post-void.
Post-evacuation. - Answer-Post-void.
