DMI 21 Q wed. 9/18

Question 0

Most important steps in a production of a radiograph

Answer 0

•make sure you have the right patient

Question 1

When u set a technique the last thing you should set is..

Answer 1

• kVp
• cuz if u set your kVp first then mAs your kVp might change
• but state kVp first

Question 2

Densitometer

Answer 2

•used to measure optical density of exposed film

Question 3

Difference in black & white in adjacent structures

Answer 3

•Contrast

Question 4

Tissue type density WHITE

Answer 4

•bone

Question 5

Tissue type density LIGHT GRAY

Answer 5

•fluid

Question 6

Tissue type density GRAY

Answer 6

•muscle

Question 7

Tissue type density DARK GRAY

Answer 7

•fat

Question 8

Tissue type density BLACK

Answer 8

•air

Question 9

High kVp

Answer 9

• low contrast
• long gray scale
• many shades of gray

Question 10

Low kVp

Answer 10

• high contrast

* short gray scale few grays (black & white)

Question 11

Quality control

Answer 11

•monitoring & maintenance of equipment

Question 12

Quality assurance

Answer 12

•enhancement of patient care monitors people within the department

Question 13

Sensitometric strip is used

Answer 13

• once a day at the beginning of the day

* must wait till processor is up to temp first

Question 14

•sprung improperly position crossover/turn around assembly

Answer 14

•guide shoe marks

Question 15

Chemistry that is not properly squeezed from the film & runs down

Answer 15

•curtain effect

Question 16

Pi lines

Answer 16

•lines 3.14” apart on film

Question 17

Random narrow bands usually on leading edge of first film. Caused by build up of oxidize developer on crossover or when solutions are slow.

Answer 17

•Delay streak

Question 18

Light fog

Answer 18

• storage artifact

* improper safelight or light leak

Question 19

Density bands about 1/8” wide from excessive pressure of entrance roller

Answer 19

•Entrance roller marks

Question 20

Radiation fog

Answer 20

•scatter/secondary radiation from room

Question 21

Consistently spaced densities from to loose or to tight developer drive mechanism.

Answer 21

•chatter

Question 22

Slap marks

Answer 22

•broad density about 2” from trailing edge of film