HESI Exit RADIOGRAPHY Exam (Latest
Update ) Questions &
Answers {Grade A } 100% Correct
Which calculation is used to determine grid ratio? - correct answer Height of the
lead strips divided by the width of the interspace material.
Which is the most likely cause of a histogram error? - correct answer Selection of
an incorrect exam from the look-up table.
Picture archiving and communication system (PACS) networks are capable of
performing which functions? (Select the two that apply.) - correct answer
Transmitting diagnostic images to remote work stations.
Downloading images from different imaging modalities.
,Who judges radiographic images for quality? (Select the four that apply.) - correct
answer Radiographers
Ordering physicians
Radiologists
Quality control technologists
How can magnification of the heart be reduced when performing a chest x-ray? -
correct answer Use a 72-inch source-image-receptor-distance (SID).
What is the function of a rectifier? - correct answer Convert alternating current to
pulsating direct current.
Which change in technical factors is most likely to result in decreased exposure to
the image receptor (IR)? - correct answer Increased grid ratio
,Which technique produces a 2 milliroentgens (mR) exposure to an image receptor
plate if 70 kilovolts peak (kVp) at 25 milliampere-seconds (mAs) produces 1.6 mR? -
correct answer 70 kVp at 31.25 mAs
Consider this anteroposterior (AP) mobile chest image. What will improve the
photographic quality of this image? - correct answer Using a grid
On which system does hospital staff input new orders for radiologic examinations?
- correct answer Hospital information system.
Which part of the x-ray circuit is controlled by adjusting the milliamperage (mA)
setting on the operating console for the purpose of producing the heat necessary
for thermionic emission? - correct answer Filament circuit
, Which standard governs communication between the system that contains the
patient's full medical information and the system that has radiology-specific data? -
correct answer Health level 7 (HL-7).
Why should computed radiography (CR) image receptors (IR) be erased if they
haven't been used? - correct answer Remove fog from background radiation.
Which step will reduce digital image noise, assuming no other changes? - correct
answer Longer exposure time
What is the term for the adjustment of image brightness, regardless of exposure
received? - correct answer Rescaling
Update ) Questions &
Answers {Grade A } 100% Correct
Which calculation is used to determine grid ratio? - correct answer Height of the
lead strips divided by the width of the interspace material.
Which is the most likely cause of a histogram error? - correct answer Selection of
an incorrect exam from the look-up table.
Picture archiving and communication system (PACS) networks are capable of
performing which functions? (Select the two that apply.) - correct answer
Transmitting diagnostic images to remote work stations.
Downloading images from different imaging modalities.
,Who judges radiographic images for quality? (Select the four that apply.) - correct
answer Radiographers
Ordering physicians
Radiologists
Quality control technologists
How can magnification of the heart be reduced when performing a chest x-ray? -
correct answer Use a 72-inch source-image-receptor-distance (SID).
What is the function of a rectifier? - correct answer Convert alternating current to
pulsating direct current.
Which change in technical factors is most likely to result in decreased exposure to
the image receptor (IR)? - correct answer Increased grid ratio
,Which technique produces a 2 milliroentgens (mR) exposure to an image receptor
plate if 70 kilovolts peak (kVp) at 25 milliampere-seconds (mAs) produces 1.6 mR? -
correct answer 70 kVp at 31.25 mAs
Consider this anteroposterior (AP) mobile chest image. What will improve the
photographic quality of this image? - correct answer Using a grid
On which system does hospital staff input new orders for radiologic examinations?
- correct answer Hospital information system.
Which part of the x-ray circuit is controlled by adjusting the milliamperage (mA)
setting on the operating console for the purpose of producing the heat necessary
for thermionic emission? - correct answer Filament circuit
, Which standard governs communication between the system that contains the
patient's full medical information and the system that has radiology-specific data? -
correct answer Health level 7 (HL-7).
Why should computed radiography (CR) image receptors (IR) be erased if they
haven't been used? - correct answer Remove fog from background radiation.
Which step will reduce digital image noise, assuming no other changes? - correct
answer Longer exposure time
What is the term for the adjustment of image brightness, regardless of exposure
received? - correct answer Rescaling
