old test questions

Question 1

Which effect would reducing FFd have?

Answer 1

the number of x-rays reaching the film increases

Question 2

if you wanted to produce more x-rays, which of he following would you do?

Answer 2

increase the MA

Question 3

added filtration is a term used for which of the following?

Answer 3

filtration that is between the port and collimator

Question 4

the dude stand should only be moved after what has occurred?

Answer 4

the lock has been released

Question 5

how much lead equivalency do most shielding devices have in the?

Answer 5

.5 mm

Question 6

man who is an 84 year old with low back pain. You have decided to radiograph his lumbar spine and pelvis and offer him a gonad shield which he refuses. After you look at the films, you realize that both the A-P and lateral need to retaken and so you proceed. Considering the extra exposure what part of this mans body was exposed to the most radiation?

Answer 6

his sagging, wrinkled skin

Question 7

Thermionic emission has to do with…

Answer 7

a filament

Question 8

Which contributes to the most MAN MADE radiation in a humans annual exposure?

Answer 8

diagnostic X-rays

Question 9

if you had a film that was too dark, which of the following would solve your problem?

Answer 9

decrease the MAs

Question 10

what limits the size od useful x-ray beam?

Answer 10

collimator

Question 11

Your thoracic spine x-ray on a 7”X17” is fine except the upper region is way too dar. what happened?

Answer 11

didnt filter the upper part?

Question 12

what is penumbra?

Answer 12

blurry/unclear spot

Question 13

which part of the a tube prevents the electron cloud from dispensing beyond its desired location

Answer 13

the focusing cup

Question 14

what filtration of the the x-ray bean as it passes through the collimator is mostly due to?

Answer 14

the shutters

Question 15

the single greatest risk for a fetus from ionizing radiation exposure from x-ray is?

Answer 15

childhood leukemia and mutations

Question 16

if you took a radiograph at 72 and then at 40, what would you have to do to maintain the same radiographic intensity?

Answer 16

decrease MAs by 1/3

Question 17

What does the P in KvP stand for?

Answer 17

Peak?

Question 18

what type of collimator do people prefer today?

Answer 18

manuel collimator

Question 19

what amount of the radiograph is given off as heat?

Answer 19

99%

Question 20

which of the following travels at less than the speed of light?

Answer 20

radon

Question 21

alpha particles are most harmful in people when they do what with them?

Answer 21

inhale them

Question 22

what connects the transformer with the tube?

Answer 22

the cables

Question 23

if you looked into the port of a used X-ray tube and saw that the entire surface of the anode had bumps, which of the following terms describes the appearance?

Answer 23

anode pitting

Question 24

what is the most common reason that compensating filtration is used?

Answer 24

the reduce film density

Question 25

the mA setting determines

Answer 25

the current going through the filament

Question 26

minus sign is too…? and plus sign is too…?

Answer 26

dark…light