Final

Question 1

every 5 degrees of tube tilt you have to move the tube

Answer 1

forward 1 inch

Question 2

CR for AP thoracic is directed where

Answer 2

T6

Question 3

“ten day rule”

Answer 3

during 10 after onset of menstration

Question 4

CR for a vertex

Answer 4

film tilt 25-35*
C1
center

Question 5

max energy of a photon in xray

Answer 5

kvp

Question 6

most to least radioopaque

Answer 6

metal, bone, water, fat, air

Question 7

maintain constant radiographic density on film with

Answer 7

inc 15% kvp

dec mAs 1/2

Question 8

intensifying screen is in the

Answer 8

cassette

Question 9

what does not protect against radiation

Answer 9

grid

Question 10

scatter increases when what increases

Answer 10

kvp

Question 11

function of filter

Answer 11

remove soft xray

Question 12

radiographic contrast

Answer 12

tonal relationship between one density and another

Question 13

type of radiation major constituent emitted from target

Answer 13

bremsstrahlung

Question 14

sacrum and coccyx AP view different why

Answer 14

different angles

Question 15

electrostatic law

Answer 15

electron repel another electron

Question 16

OID decrease

Answer 16

image magnification directly decreases

Question 17

interaction between xray photons and matter most significant to patient dose

Answer 17

photoelectric effect

Question 18

what kind of pelvic angle does and male have

Answer 18

acute

Question 19

thorasic vert on pt with sig scoliosis best seen how

Answer 19

convexity closest to the film

Question 20

collimnation is important to

Answer 20

increase contrast

decrease pt exposure

Question 21

CR L5/S1 sacrum coccyx AP projection

Answer 21

perpendicular to plane of object to be radiographed

Question 22

lat sacrum veiw tube tilt

Answer 22

zero*

Question 23

rule out spondlyo using what view

Answer 23

lat L5/S1 spot

Question 24

mAs control what in the beam

Answer 24

photon

Question 25

z joint on cervical spine best visualized on what view

Answer 25

lateral cervical

Question 26

angle of the jaw is at what level

Answer 26

C3

Question 27

vertebral prominence is at what level

Answer 27

C7

Question 28

episternal notch is at what level

Answer 28

T2-T3

Question 29

umbilicus is at what level

Answer 29

L3-L4

Question 30

thyroid cartilage is at what level

Answer 30

L5

Question 31

PSIS is at what level

Answer 31

S2

Question 32

inferior angle of the scapula is at what level

Answer 32

T6

Question 33

major advantage of the AP lumbopelvic view taken PA on large patient

Answer 33

more uniform rad density compensation

Question 34

swimmers view visualizes

Answer 34

C6-T2

Question 35

flex/ext projection same SID as lateral b/c

Answer 35

better comparison structure size from film to film

Question 36

principle factor control xray pnentration

Answer 36

kilovolts

Question 37

increse image quality decrease rad dose=

Answer 37

fixed kvp variable mAs and constant density

Question 38

lat cerv f/e view taken when

Answer 38

lig stability damage

Question 39

IVF of lumbar spine best seen how

Answer 39

lat view

Question 40

best tech factors for xray projection to avoid blur

Answer 40

high ma with shortest time

Question 41

CR lat cervical f/e

Answer 41

C4 72in SI

Question 42

pt exhale and hold why on lateral cerviacl

Answer 42

get the shoulder out of the way