rads 1

Question 1

kilovoltage is primarily responsible for

Answer 1

the hardness of the x-ray beam and its penetration

Question 2

milliamperarge is responsible for the intensity of the radiation, which

Answer 2

translates to the density on the image

Question 3

which type of tissue absorbs the most radiation

Answer 3

bone

Question 4

since bone absorbs the most radiation, what does this show up as on your radiograph

Answer 4

white

Question 5

which of the following kV will produce more scatter and secondary radiation

Answer 5

40, 60, 70, 110

110kV

Question 6

what does the milliamperage control on the X-ray machine affect

Answer 6

the amount of radiation that is produced and the current to the cathode

Question 7

the degree of blackness on a radiograph is described as

Answer 7

radiographic density

Question 8

when obtaining a radiograph, the thickest part of the area of interest is placed toward what

Answer 8

the cathode end of the X-ray tube

Question 9

when the thick area of interest is placed toward cathode, known as?

Answer 9

heel effect

Question 10

all are components of the xray tube except
cathode, anode, grid, tungsten filament

Answer 10

grid

Question 11

what do we use to measure our patient when looking to obtain our kVp setting

Answer 11

caliper

Question 12

what does it mean to collimate the xray beam

Answer 12

to limit the beam exposure just to the area of interest within the film

Question 13

a grid is a series of thin, linear strips of alternating radio dense and radiolucent material. of what are those radio dense strips made

Answer 13

lead

Question 14

for what are grids used on an x ray machine

Answer 14

to decrease scatter radiation and to increase the contrast on the radiograph

Question 15

where is the grid located in reference to an xray machine

Answer 15

between the patient and the cassette

Question 16

from a legal standpoint, how long does the radiology log need to be kept

Answer 16

3-5 years

Question 17

with film based imaging, which of the following are receptor components

Answer 17

cassette, film, intensifying screen

Question 18

labeling

Answer 18

name of pt and owner, date, name of practice, radiographers initials

Question 19

what are the intensifying screens

Answer 19

cover the inside of the cassette, coated with phosphors

Question 20

what is the cassette

Answer 20

film holder, protects the screens and film from physical damage

Question 21

what are grids

Answer 21

absorb scatter radiation, made of lead and aluminum

Question 22

what is the collimator

Answer 22

controls the size of the xray beam

Question 23

what happens if you have too much mA

Answer 23

overall blackness of the rad

Question 24

kVp affects?

Answer 24

both density and penetrating power
translates to contrast

Question 25

mA primarily affects

Answer 25

density

Question 26

kVp is too low?

Answer 26

looks grayish and structure is not definite

Question 27

x - ray tube

Answer 27

the source of x rays

Question 28

what is the cathode

Answer 28

negative side of the xray tube, provides electrons, consists of wire filament, and the focusing cup
made of tungsten

Question 29

the focusing cup is

Answer 29

houses the filament, made of molybdenum

Question 30

cathode to anode?

Answer 30

moves from cathode to anode, translates into penetrating power

Question 31

what is the anode?

Answer 31

positive side of the xray tube, “target” (made of tungsten), stationary and rotating

Question 32

focal spot

Answer 32

small area of the target where electron stream collides