In: Nursing
Which of the following factors are true in regards to producing a quality radiographic film? |
a. |
Alignment of the x-ray tube, body part, and angle of image receptor to the central ray |
|
b. |
An increase in SID, decrease in OFD, and increase in SOD |
|
c. |
Misalignment of x-ray tube, body part, and angle of image receptor to the central ray |
|
d. |
An increase in SID, decrease in OFD, and decrease in SOD |
SID is the distance of tube from the image receptor , affects magnification. If the SID is greater , the less magnification the image will suffer.
SOD is source to object distance, where the object represents the patient.
OFD is object to film distance is the distance between the radiation side of the test object and the film surface.
Answer is A and B
Increasing SOD decreases magnification.