Imaging || Acknowledged Answers 100%.
The radiographic film image is composed of metallic ________ on a polyester base. correct
answers SILVER
List the four image quality factors of a radiograph. correct answers 1-DENSITY
2-CONTRAST
3-RESOLUTION
4-DISTORTION
Which specific exposure factor controls the quality or penetrating ability of the x-ray beam?
correct answers KILOVOLTAGE (kV)
Exposure time is usually expressed in units of correct answers MILLISECONDS
The amount of blackness seen on a processed radiograph is called correct answers DENSITY
The primary controlling factor for the overall blackness on a radiograph is correct answers
MILLIAMPERE SECONDS (mAs)
If the distance between the x-ray tube and image receptor is increased from 40 to 80 inches, what
specific effect will it have on the radiographic density, if other factors are not change? correct
answers DECREASE DENSITY TO 25%
Which term is used to describe a radiograph that have too little density? correct answers
UNDEREXPOSED
, Doubling the mAs will result in _________ the density on the IR image. correct answers
DOUBLING
True/False: kV must be altered to change radiographic density on the IR image.... correct
answers FALSE
When IR images, using manual technique settings, are underexposed or overexposed, a
minimum change in mAs of _________ is required to make a visible difference in the
radiographic density. correct answers 25% to 30%
According to the anode heel effect, the x-ray beam is less intense at the ________ (cathode or
anode) end of the x-ray tube. correct answers ANODE
To best used the anode heel effect, the thicker park of the anatomic structure should be placed
under the ______ (cathode or anode) end of the x-ray tube. correct answers CATHODE
What device or method (other than the anode heel effect) may be used to compensate for the
anatomic part thickness difference and produce an acceptable density on the IR image? correct
answers COMPENSATING FILTER
List three common types of compensating filters. correct answers 1-WEDGE FILTER
2-TROUGH FILTER
3-BOOMERANG FILTER
Which type of compensating filter is used commonly for AP projections of the thoracic spine?
correct answers WEDGE FILTER
Which type of compensating filter permits soft tissue and bony detail of the shoulder to be
equally visualized? correct answers BOOMERANG FILTER