Deck 19: Screen-Film Radiographic Artifacts

Question 1

A static mark artifact is created during ______________ of the film.

A) exposure
B) development
C) handling
D) All of the above

Answer 1

handling

Question 2

A cassette that is improperly positioned can cause a __________________ artifact.

A) blur
B) grid cutoff
C) fog
D) double exposure

Answer 2

grid cutoff

Question 3

Low humidity in the darkroom can cause ________________.

A) tree static
B) brown stains
C) pressure marks
D) film fog

Answer 3

tree static

Question 4

What can cause image blur on the finished radiograph?

A) Patient motion
B) Chemical imbalance
C) High humidity
D) Any of the above

Question 5

A bi-color chemical stain on a radiograph is called _____________________.

A) a curtain effect
B) a dichroic stain
C) hypo retention
D) Both A and B

Question 6

Thin lines on the leading or trailing edge of a film are ______________________.

A) Pi lines
B) dichroic stains
C) guide-shoe marks
D) emulsion build-up

Question 7

What sort of screen-film radiographic artifact is a guide-shoe mark?

A) Exposure artifact
B) Processing artifact
C) Handling artifact
D) Storage artifact

Question 8

Kink marks are caused by ________________.

A) fingernails
B) light leaks
C) misaligned rollers
D) bending film

Question 9

Generally, most repeat exams are caused by _______________ artifacts.

A) processing
B) handling
C) exposure
D) storage

Question 10

A __________________ is an example of an exposure artifact.

A) foreign object
B) Pi line
C) pressure mark
D) dichroic stain

Question 11

Lines that occur 3.14 inches apart on the finished radiograph are caused by _________________.

A) misalignment of guide-shoes
B) chemical build-up on rollers
C) poor film-screen contact
D) grid cutoff during exposure

Question 12

A screen film radiographic artifact can be __________________________.

A) an object that is not part of the radiographed anatomy
B) patient motion
C) an improper grid or warped cassette
D) Any of the above

Question 13

A streak of high optical density on the finished radiograph can be caused by _________________________.

A) film boxes stacked too high in storage
B) light leaks in the cassette or darkroom
C) inadequate washing in the processor
D) high humidity in the darkroom

Question 14

Misalignment of the processor turnaround assembly can cause __________________.

A) tree static
B) grid cutoff
C) Pi lines
D) guide-shoe marks

Question 15

A greasy appearance of a film is usually caused by _______________________.

A) inadequate washing
B) excess hardener chemicals
C) improper developer heat
D) inadequate processing chemistry