If the object length is 7 inches, the SID is 56 inches and the OID is 6 inches, what is the image length?
kVp controls the proportional relationship between
kVp controls the proportional relationship between
If the x-ray tube is moved closer to the image receptor, the…
If the x-ray tube is moved closer to the image receptor, the collimator light will
What effect will decreasing the SOD while keeping the OID th…
What effect will decreasing the SOD while keeping the OID the same have on size distortion and magnification?1) increases size distortion2) decreases size distortion3) increases magnification4) decreases magnification
When using a 14 x 17-inch exposure field, the intensity of t…
When using a 14 x 17-inch exposure field, the intensity of the central ray measures 100 milligray (mGy). What is the approximate intensity of the beam within the cathode side of the x-ray field?
Electronic “snow” on a display monitor or TV monitor image i…
Electronic “snow” on a display monitor or TV monitor image is a form of:
When using the 15% rule, if the mAs is increased, the kVp mu…
When using the 15% rule, if the mAs is increased, the kVp must be
If an initial exposure is made using 800 mA, 0.02 sec, 16 mA…
If an initial exposure is made using 800 mA, 0.02 sec, 16 mAs, 70 kVp, 58” SID, 4” OID, 5:1 grid ratio, 0.2 mm focal spot and 3.0 mm of filtration, with a 14 x 17 in field size, and the technologist changes to a 12:1 grid ratio for a second exposure without changing any other factors, what differences would you expect to see in the second exposure?1) Increased IR exposure2) Decreased IR exposure3) Increased contrast4) Decreased contrast5) Increased spatial resolution6) Decreased spatial resolution7) Increased distortion8) Decreased distortion
The digital imaging system that requires the use of lenses o…
The digital imaging system that requires the use of lenses or optical coupling systems is:
All other factors equal, when mAs is reduced, the photoelect…
All other factors equal, when mAs is reduced, the photoelectric/Compton ratio will: