CH1

Question 1

Radiographer

Answer 1

Administers ionizing radiation to preform procedures.

Question 2

Ethics

Answer 2

moral responsibilty and appropriate conduct towards others.

Question 3

ALARA

Answer 3

As low as Reasonably achievable

Question 4

Privacy

Answer 4

Chart, overhearing, undressing

Question 5

Image Receptor (IR) (aka cassette)

Answer 5

Device receives the energy of the x-ray beam and forms body part image.

Question 6

The 4 types of IR’s are:

Answer 6

Cassette w/film, PSP IP, DR, Fluoroscopic IR.

Question 7

CR

Answer 7

Commputed Radiogrphy

Question 8

DR

Answer 8

Digital Radiography

Question 9

Image recorded by exposing IR to light is called:

Answer 9

Radiograph

Question 10

7 Standpoints necessary for good image

Answer 10

Superimposition, Adjacent structures, Optical Denisty, Contrast, Spatial Resolution, Magnification, Shape Distortion

Question 11

Optical Density in film

Answer 11

degree of blackening, controlled by mAs,

Question 12

Optical Density in digital

Answer 12

degree of brightness, automatic, digital more affected by dose &noise

Question 13

Contrast

Answer 13

difference in density, controlled by kV peak

Question 14

Low contrast

Answer 14

density lack

Question 15

High Contrast

Answer 15

density overload

Question 16

mA (miliamperage)

Answer 16

current quantity of x rays -> Density (blackness of image)

Question 17

s

Answer 17

length of exposure

Question 18

(kv) kilovoltage

Answer 18

force quality => shades of density (it is the controlling factor of contrast)

Question 19

As KV increases

Answer 19

more image density

Question 20

Weaker kv

Answer 20

low contrast image lack of density

Question 21

Light grays are produced by

Answer 21

weaker or low kv

Question 22

Dark grays are produced by

Answer 22

stronger or high kv

Question 23

High contrast is due to

Answer 23

low kvp

Question 24

Low contrast is due to

Answer 24

high kvp

Question 25

Spatial Resolution or recorded detail

Answer 25

ability to visualize small structures, detail seen in image or clarity

Question 26

Long scale contrast leads to

Answer 26

low contrast

Question 27

Short scale contrast leads to

Answer 27

high contrast

Question 28

Magnification

Answer 28

Controlled by OID or SID

Question 29

OID

Answer 29

Object to Image Receptor Distance

Question 30

SID

Answer 30

Source to Image Receptor Distance

Question 31

INC OID

Answer 31

Magnification inc

Question 32

Dec SID

Answer 32

Magnification inc

Question 33

Shape distortion is caused by

Answer 33

elongation and foreshortening

Question 34

Size Distortion

Answer 34

caused by magnification

Question 35

There are 2 types of motion:

Answer 35

Voluntary, Involuntary

Question 36

Voluntary motion is controlled by

Answer 36

Nervousness, Discomfort, Exciteability, Mentall Illness, Fear, Age, Breathing

Question 37

Involuntary Motion is controlled by

Answer 37

heart, chills, peristalsis, tremor, spasm, pain,

Question 38

4 image quality factors

Answer 38

Density, contrast, detail, distortion

Question 39

Projection

Answer 39

Part of the beam entering and exiting the pt.

Question 40

Position

Answer 40

Body part in relation to the IR

Question 41

Axial

Answer 41

long axis of the part where the CR is 10 degrees or more

Question 42

Obliques

Answer 42

when the part is postioned between 0-90 degrees angled

Question 43

Placements and Orientation of can be

Answer 43

lengthwise, crosswise, Diagonal

Question 44

the Direction of the CR must always

Answer 44

be centered to the part of interest

Question 45

Cephalad

Answer 45

Angle of the tube towards the head.

Question 46

Caudad

Answer 46

Angle of the tube away from the head.

Question 47

Collimation

Answer 47

limiting the size of the x ray field to the area of clinical interest (FOV) also reduces scattering

Question 48

Sagittal

Answer 48

Divides the body into left and right segments.

Question 49

Coronal

Answer 49

divides body into anterior and posterior.

Question 50

Horizontal

Answer 50

passes crosswise through body @ a right angle to the objects longitudinal axis. (AKA Axial or Transverse)

Question 51

Oblique

Answer 51

pass through body part at any angle.

Question 52

Interiliac

Answer 52

transects top of iliac crest at level of 4 and 5 lumbar

Question 53

Occlusal

Answer 53

formed by the biting of closed teach and closed jaw

Question 54

Thoracic Cavity Contains

Answer 54

Pleural membranes, lungs, trachea, esophagus, pericardium, heart

Question 55

Abdominall cavity contains

Answer 55

lots

Question 56

C1

Answer 56

Mastoid tip

Question 57

C3

Answer 57

Gonium

Question 58

C4

Answer 58

Hyoid Bone

Question 59

C5

Answer 59

thyroid carilage

Question 60

C7

Answer 60

Vertebral Prominens

Question 61

T2-3

Answer 61

jugular notch

Question 62

T4-5

Answer 62

Sternal Angle

Question 63

T 7

Answer 63

inferior angle of scapulae

Question 64

T9-10

Answer 64

xiphoid process

Question 65

L2-3

Answer 65

Inferior angle of rib

Question 66

L4-5

Answer 66

supermost Iliac crest

Question 67

S1S2

Answer 67

Anterior superior Iliac spine ASIS

Question 68

Coccyx

Answer 68

pubis symphysis, and greater trochanter