6

Question 1

undesirable optical densities or blemishes on a radiograph

Answer 1

artifacts

Question 2

any irregularity on an image that is not caused by the proper shadowing of tissue by primary xray beam

Answer 2

artifacts

Question 3

3 classification of artifact

Answer 3

exposure artifact
processing artifact
handling and storage artifact

Question 4

classification of artifact that is generally associated with the manner in which the radiographer conducts the examination

Answer 4

exposure artifacts

Question 5

artifact caused by improper patient position, poor screen film contact, warped cassettes, improper positioning of grid

Answer 5

exposure artifacts

Question 6

artifact caused by improper patient position, patient motion, double exposure, incorrect screen film radiographic technique

Answer 6

exposure artifacts

Question 7

common exposure artifacts

Answer 7

unexpected foreign object
double exposure
blur
grid cutoff artifacts
obscured detail

Question 8

artifacts usually sensitize the emulsion and appear as higher OD

Answer 8

pressure type artifacts

Question 9

artifact occur when the guide shoes in the turnaround assembly of processor are sprung or improperly positioned

Answer 9

guide shoe marks

Question 10

artifacts caused by dirt or chemical stain on a roller, which sensitizes the emulsion

Answer 10

Pi lines

Question 11

artifact caused by improper or inadequate processing chemistry

Answer 11

uniform dull, gray fog

Question 12

artifact caused by improper squeezing of processing chemicals from film

Answer 12

dichroic stain or “curtain effect”

Question 13

common artifact that is produced in the developer tank

Answer 13

wet-pressure sensitization

Question 14

artifact that looks like light or radiation fog and is usually uniform dull gray

Answer 14

chemical fog

Question 15

chemical stains on radiograph can appear as

Answer 15

yellow, green, blue, or purple

Question 16

artifact caused by oxidized developer

Answer 16

yellow-brown drops on film

Question 17

artifact caused by under replenished fixer

Answer 17

milky appearance

Question 18

artifact caused by inadequate washing

Answer 18

greasy appearance

Question 19

artifact caused by improper dryer temperature or hardener in the fixer

Answer 19

brittle appearance

Question 20

artifact caused by dirty or warped rollers, can leave sludge deposits on film

Answer 20

sharp increase or decrease in OD

Question 21

artifact caused by pressure caused by irregular or dirty rollers

Answer 21

small circular patterns of increased OD

Question 22

improper handling and storage

Answer 22

handling and storage artifacts

Question 23

occur if the film is stacked too high

Answer 23

pressure marks

Question 24

result if temperature or humidity is too high or if the film is not shielded adequately from radiation

Answer 24

image fog

Question 25

white light leaks in the darkroom or within the cassette cause streak-like artifacts of increased OD

Answer 25

Light or Radiation Fog

Question 26

if safelight has improper filter, too bright, too close to film processing tray

Answer 26

image fog

Question 27

characteristic artifacts can be caused by improper handling or storage either before or after processing

Answer 27

pressure or kink marks

Question 28

rough handling can cause?

Answer 28

scratches and kink marks

Question 29

most obvious artifact. caused by buildup of electrons in the emulsion, noticeable during winter and periods of extremely low humidity

Answer 29

static

Question 30

3 distinct patterns of static:

Answer 30

crown tree smudge

Question 31

yellow-brown stain that slowly appears on radiograph after long storage time

Answer 31

hypo retention

Question 32

occur when not all of the residual thiosulfate from fixing was removed during washing

Answer 32

hypo retention