Changes incoming low voltage (V) to high voltage (kV).
C.
Changes alternating current (AC) to direct current (DC)
C.
Supplies power to kVp selection and other parts of the x-ray circuit
C.
Changes 54 Volts to 54,000 Volts
A.
Operator selects “PA CHEST” x-ray from a menu of options. Machine sets corresponding exposure factors.
A. AEC (Automatic Exposure Control)
B. APR (Anatomically Programmed Radiography)
b
Operator selects an x-ray detector area corresponding the anatomy of interest. For example, the center cell may be
selected for an AP lumbar spine radiograph.
A. AEC (Automatic Exposure Control)
B. APR (Anatomically Programmed Radiography)
a
True/False
Prolonged rotoring, making a rapid series of high exposures, or making exposures on a cold anode contribute to xray
tube failure due to overheating.
true
Match the term to the appropriate description.
A. kVp B. mAs C. Focal spot size
1. Directly proportional to the quantity of the x-ray beam.
2. Determines quality of the x-ray beam.
3. Affects sharpness of the image
1b 2a 3c
Which of the following is TRUE regarding Automatic Exposure Control (AEC)
D.
Using 200 mA at 0.25 sec results in an mAs value of:
A.
Which of the following exposure settings would result in the same radiographic density as
using 400 mA 0.1 sec 70 kVp
1. 200 mA 0.2 sec 70 kVp
2. 400 mA 0.2 sec 80 kVp
3. 800 mA 0.05 sec 70 kVp