Exposure faults

Question 1

Elongation of image

Answer 1

collimator angulation is too shallow

Question 2

foreshortening of image

Answer 2

collimator angulation is too steep

Question 3

coning

Answer 3

collimator angulation not central to film

Question 4

blurred image

Answer 4

pt or collimator moved during exposure

Question 5

transparent film or faint

Answer 5

film placed wrong way around to image with overlying pattern collimator for exposure (lead foil superimposed pattern onto the film)

Question 6

fogged film

Answer 6

exposed to light before exposure

Question 7

blank film

Answer 7

x-ray machine not switched on