CHAPTER 1

Question 1

The muscular system:

Answer 1

maintains posture

Question 2

The endocrine system:

Answer 2

regulates body activities through various hormones

Question 3

the integumentary system:

Answer 3

receives stimuli

Question 4

the circulatory system:

Answer 4

regulates body temperature

Question 5

the 3 functional classifications of joints are:

Answer 5

synarthrosis, amphiarthrosis, and diarthrosis

Question 6

plane:

Answer 6

gliding

Question 7

ginglymus:

Answer 7

hinge

Question 8

pivot

Answer 8

trochoid

Question 9

ellipsoid

Answer 9

condylar

Question 10

saddle

Answer 10

sellar

Question 11

ball and socket

Answer 11

spheroidal

Question 12

bicondylar

Answer 12

condylar

Question 13

what type of movement is the 1st carpometacarpal joint?

Answer 13

saddle

Question 14

what type of movement is the elbow joint?

Answer 14

ginglymus

Question 15

what type of movement is the intercarpal joint

Answer 15

plane

Question 16

what type of movement is the wrist joint

Answer 16

ellipsoidal

Question 17

what type of movement is the temporomandibular joint

Answer 17

bicondylar

Question 18

what type of movement is the 2nd interphalangeal joint

Answer 18

ginglymus

Question 19

what type of movement is the distal radioulnar joint

Answer 19

pivot

Question 20

what type of movement is the ankle joint

Answer 20

saddle

Question 21

what type of movement is the knee joint

Answer 21

bicondylar

Question 22

what type of movement is the 3rd metacarpophalangeal joint

Answer 22

pivot

Question 23

define body habitus

Answer 23

the build of the body

Question 24

opposite of depression:

Answer 24

elevation

Question 25

outside or outward:

Answer 25

exterior

Question 26

on the same side:

Answer 26

ipsilateral

Question 27

near the skin surface:

Answer 27

superficial

Question 28

what are the 3 recommendations stated in the ASRT ACE communication campaign?

Answer 28

A: announce your name C: communicate your credentials E: explain procedure

Question 29

what is the type of grid cut-off if the cr and face of the grid are not perpendicular

Answer 29

off-level

Question 30

what is the type of grid cutoff if the SID is set beyond the focal range of the grid?

Answer 30

off-focus

Question 31

what is the tern for recorded image sharpness

Answer 31

spatial resolution

Question 32

the lack of image sharpness is termed

Answer 32

blur

Question 33

what 3 geometric factors control spatial resolution

Answer 33

SID, OID, focal spot size

Question 34

What are the 4 controlling factors of distortion

Answer 34

OID, SID, object IR alignment, CR placement

Question 35

The range or level of image contrast in the digital image is primarily controlled by

Answer 35

digital processing

Question 36

what are the 6 image quality factors to evaluate a digital image?

Answer 36

brightness, contrast, spatial resolution, distortion, noise, exposure indicator

Question 37

a digital system's ability to distinguish between similar tissues is termed

Answer 37

contrast resolution

Question 38

radiographic contrast in the digital image is primarily affected by

Answer 38

application of processing algorithms

Question 39

the greater the bit depth in digital imaging, the greater the

Answer 39

contrast resolution

Question 40

what are the 2 pixel sizes used in digital imaging

Answer 40

acquisition and display

Question 41

in addition to acquisition pixel size, spatial resolution in the digital image is controlled by

Answer 41

display matrix

Question 42

what 4 factors affect the exposure indicator number?

Answer 42

mas, kvp, total detector area irradiated, objects exposed

Question 43

reversing dark or light pixel values is termed

Answer 43

invert image

Question 44

list 3 components of a PSP-CR system

Answer 44

IP, IP reader, tech work station

Question 45

what is the formula used to convert cm to in

Answer 45

in=xcm(0.3937)

Question 46

what does RIS stand for

Answer 46

radiographic information system

Question 47

what is the definition of teleradiography

Answer 47

the electric transmission of diagnostic imaging studies

Question 48

what is the FPD-TFT receptor made of

Answer 48

amorphous silicone

Question 49

display matrix:

Answer 49

display of pixels

Question 50

exposure latitude:

Answer 50

range of exposure intensities

Question 51

windowing:

Answer 51

adjusting window level/width

Question 52

penumbra:

Answer 52

unsharp edges

Question 53

exposure indicator:

Answer 53

numeric value of exposure

Question 54

bit depth:

Answer 54

of shades of gray in each pixel

Question 55

distortion:

Answer 55

misrepresentation of object size/shape

Question 56

kilovoltage:

Answer 56

controls penetrating power

Question 57

spatial resolution:

Answer 57

sharpness

Question 58

post processing:

Answer 58

enhancing electronic image

Question 59

what is the SI unit for roentgen

Answer 59

c/kg of air

Question 60

what is the SI unit for radiation absorbed dose

Answer 60

Gy

Question 61

what is the SI unit for radiation equivalent man?

Answer 61

Sv

Question 62

what is the equation in converting rads for gy

Answer 62

Gy=rad(0.01)

Question 63

what is the equation in converting mrad to mGy?

Answer 63

mrd=100(mgy)

Question 64

what is the equation in converting rem to Sv

Answer 64

Sv=rem(0.01)

Question 65

what is the equation in converting rem to mSv

Answer 65

rem=10mSv

Question 66

for modern flouroscopy equipment, the average exposure rate is

Answer 66

1 to 3 R/ min

Question 67

what projection provides the most radiation to bone marrow

Answer 67

retrograde pyelogram

Question 68

what are the 2 types of fluoroscopy readouts required by the FDA to monitor radiation output

Answer 68

DAP and cumulative total dose