Radio graphic equipment

Question 1

The X-ray room has an area that protects the limited operator from scatter radiation

Answer 1

Control booth

Question 2

The mechanism on the X-ray tube crane that provides “stop” in a specific location

Answer 2

Detent

Question 3

Image that has been exposed on the image receptor but hasn’t been processed

Answer 3

Latent image

Question 4

The absorption of X-ray by matter

Answer 4

Attenuation

Question 5

The image receptor system may consist of

Answer 5

Cassette and phosphor plate

Question 6

A line that is perpendicular to the long axis of the X-ray tube and that is in the center of the X-ray
Beam is

Answer 6

Central ray

Question 7

The device that protects the ir from being fogged by scatter radiation is

Answer 7

Grid or Bucky

Question 8

The device that allows the limited operator to vary the size of the radiation field

Answer 8

Collimator

Question 9

The purpose of a safety check performed before making an exposure is

Answer 9

Prevent accidental exposure of co worker

Question 10

A radiation hazard exist in the X-ray room

Answer 10

Throughout the room during the exposure

Question 11

A type of filmless X-ray system that produces digital images

Answer 11

Computed radiography

Question 12

Digital images produced using the CR systems use ___ to process the image

Answer 12

Image reader device

Question 13

After X-ray have gone into the patient and some have been attenuated the X-ray will exit the patient the exit radiation is now called

Answer 13

Remnant radiation

Question 14

What should u do before attempting to move X-ray equipment

Answer 14

Release appropriate locks

Question 15

Where is the collimator located at

Answer 15

On the underside of the X-ray housing

Question 16

Trendenburg position

Answer 16

Allowing head end to be lowered atleast 15 degree

Question 17

X-rays projection are done with the patient standing or sitting upright using what device

Answer 17

Upright cassette holder

Question 18

Primary source of scatter radiation is

Answer 18

The patient

Question 19

X-ray exit the tube is surrounded by a lead-lined device called

Answer 19

Tube housing

Question 20

Opening where the X-ray exit the tube

Answer 20

Tube port

Question 21

Source of the xray

Answer 21

X-ray tube

Question 22

The X-ray that strikes the patient and travel in all directions, inside and outside the body

Answer 22

Scatter radiation

Question 23

Unwanted image exposure that is cause by scattered X-rays

Answer 23

Radiation fog

Question 24

Filmlesse X-ray systems that uses a digital format to produce images

Answer 24

Computed radiography

Question 25

Receives the energy of the X-ray beam and forms the image of the body part

Answer 25

Image receptor (IR)

Question 26

X-ray exit the tube port through an opening called

Answer 26

Port

Question 27

The invisible imaginary line in the center of the X-ray beam that is used for centering is called

Answer 27

Central ray

Question 28

Milliampere-second (mAs) is a useful unit in radiography because it indicates ?

Answer 28

Total quantity of exposure

Question 29

Formula for determining mAs

Answer 29

MA x time =mAs

Question 30

Formula for determining the exposure time is

Answer 30

mAs/ mA=time

Question 31

The factor that indicates the total quantity of radiation in an exposure

Answer 31

mAs

Question 32

On the anode the exact area on the focal track that the electrons are striking is called

Answer 32

Focal spot

Question 33

The anode heel effect states that the primary beam intensity is lower on the_______ side of the radiation field

Answer 33

Anode

Question 34

Spatial resolution is defined as

Answer 34

The amount of recorded detail on the image

Question 35

What is the binding energy of the kshell of a tungsten atom

Answer 35

69 KeV