The distance between the anatomy being imaged and the focal spot is called:
Which of the following focused grids will allow for the grea…
Which of the following focused grids will allow for the greatest amount of centering and distance lattitude:
What is the main advantage of the use of a moving grid over…
What is the main advantage of the use of a moving grid over a stationary grid?
If an initial exposure is made using 400 mA, 1/10 sec, 40 mA…
If an initial exposure is made using 400 mA, 1/10 sec, 40 mAs, 80 kVp, 50” SID, 12” OID, 8:1 grid ratio, 0.6 mm focal spot and 2.5 mm of filtration, with an 8 x 10 inch field size, and the technologist changes the SID to 60 inches 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
A radiographic technique chart recommends 4 milliampere-seco…
A radiographic technique chart recommends 4 milliampere-seconds (mAs) and 68 kilovoltage peak (kVp) at 72 inches for a certain procedure. How will the receptor exposure be affected if the radiograph is performed using the recommended exposure technique but at 60 inches?
To calculate SOD:
To calculate SOD:
Considering radiographs produced with the following factors,…
Considering radiographs produced with the following factors, which statement is true?Radiograph ARadiograph B500 mA500 mA0.02 sec0.08 sec36-inch SID72-inch SID
When an air-gap technique is used, the amount of scatter rea…
When an air-gap technique is used, the amount of scatter reaching the image receptor is decreased because:
According to the inverse square law, when the distance betwe…
According to the inverse square law, when the distance between the x-ray source and the point of measurement (patient, worker, or receptor) increases, the beam quantity will:
A radiograph is acquired using a source-to-image distance (S…
A radiograph is acquired using a source-to-image distance (SID) of 40 inches. If the radiograph is repeated using the same exposure factors, but the SID increases to 60 inches, the receptor exposure will: