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Question 1

the penetrating power of the x-rays is determined by?

Answer 1

kilovoltage

KV

Question 2

a definition of radiographic contrast would be the _____

Answer 2

tonal relationship between on density and another

Question 3

the distance between the part to be radiographed and the image receptor is commonly referred to as _____?

Answer 3

object image distance

Question 4

which exposure parameter will increase the amount of density on a radiograph?

Answer 4

increasing KV
increasing time
increasing mA

Question 5

the 10 day rule for females of child bearing age refers to performing non-emergency abdominal-pelvic x-ray ______

Answer 5

during the 10 days after the onset of menstruation

Question 6

the principal electrostatic law implies that?

Answer 6

an electron will repel an electron

Question 7

the function of a screen is to ______?

Answer 7

convert x-ray to light

Question 8

of the following, which type of radiation is the major constituent (the largest portion) emitted from the target?

Answer 8

bremsstrahlung radiation

Question 9

according to lecture, which of the following is the most frequent cause of repeat radiographs?

Answer 9

under or overexposure

Question 10

which of the following groups of exposure factors will produce the most radiographic contrast

Answer 10

500 mA
.3 sec
65 kVp

Question 11

in order to maintain density, milliamperage and exposure time are found to be _____ each other?

Answer 11

inversely proportional to

Question 12

an increase in radiographic factors from the normally expected techniques chart would be required when a patient has which of the following conditions?

Answer 12

pagets

Question 13

if the mA was set at 300, what time station would have been set?

Answer 13

3/20

Question 14

if the mA was set at 400, what time station below would have been set?

Answer 14

.4 sec

Question 15

the result was too light. you would repeat the film using ___?

Answer 15

400 mA
1.00 sec
70 kV
40 degrees

Question 16

the result was too much contrast. you would repeat the film using _____?

Answer 16

300 mA
1/10 sec.
92 kV
36 degrees

Question 17

what corrections should be made for an AP projection of the pelvis if the greater trochanters are seen partially overlapping the femoral necks?

Answer 17

invert the lower extremities 15 degrees

Question 18

an oblique view of the lumbar spine shows one pedicle placed over the posterior half of the vertebral body. the position was _______.

Answer 18

over-rotated

Question 19

what is the best way to explain to patients that they do not own the radiographs taken in your office?

Answer 19

• they are part of one’s medical legal record
• the bill covers the procedure and diagnosis
• they will be available, should they be needed by professionals elsewhere

Question 20

a radiographic with many different shades of density possesses ____.

Answer 20

low contrast

Question 21

with all other factors unchanged, if OID is reduced, image magnification will be _______.

Answer 21

directly decreased

Question 22

which of the following his most essential in producing of radiographic image ________.

Answer 22

adequate penetration

Question 23

which of the following interactions between x-ray photons and matter makes the most significant contribution to patient dose?

Answer 23

photoelectric effect

Question 24

in which of the following radiographic examinations is collimation to the film size, or less, of greatest importance in a possibly pregnant female patient?

Answer 24

chest

Question 25

which of the following is (are) demonstrated in the oblique position of the cervical spine?

Answer 25

• intervertebral foramina

- pedicles

Question 26

if the mAs is decreased by half increasing the kV by 15% would yield approximately the same film density

Answer 26

true if 7.5 false

Question 27

when using the protective copper and aluminum filter on a female patient, the aluminum side is placed away from the tube?

Answer 27

true

Question 28

the quality of the x-ray photons within the x-ray beam is primarily controlled by the kilovoltage

Answer 28

true

Question 29

the anode side of the x-ray side of the x-ray tube is where x-ray photons are produced

Answer 29

true

Question 30

which exposure parameter will not increase the amount of density on a radiograph?

Answer 30

increasing focal film distance

Question 31

halfing the focal film distance requires ____ to compensate and maintain the film density?

Answer 31

one quarter the mAs