Level 1 - Radiography Questions

45 Questions  I  By Mbelousov
Radiography Quizzes & Trivia
Level 1 Radiography test - 135+ multiple choice questions

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  L5increasing the activity of an isotope source will increase the energy of the individual rays
A.
B.
2.  L3The best radiographic sensitivity is obtained when the radiograph has a "high contrast".
A.
B.
3.  L3Gradual changes in specimen thickness produce radiographs that show excellent definition.
A.
B.
4.  Fluorescent intensifying screens are usually mounted in pairs in rigid holders called:
A.
B.
C.
D.
5.  Atoms, molecules, and various subatomic particles which carry either a positive or negative electrical charge are called:
A.
B.
C.
D.
6.  If a fluorescent screen is accidentally exposed to unattenuated X-rays, which of the following occurs:
A.
B.
C.
D.
7.  L9coarse-grain films are advantageous because they require considerably less time in the developer, stop bath and fixer solutions
A.
B.
8.  As a check on the adequacy of the radiographic technique, it is customary to place a standard test piece on the source side of the specimen. This standard test piece is called a:
A.
B.
C.
D.
9.  The density of a radiograph image refers to:
A.
B.
C.
D.
10.  Which has the shortest wavelengths:
A.
B.
C.
D.
11.  An advantage of the pocket dosimeter type of ionization chamber used to monitor radiation received by personnel is:
A.
B.
C.
D.
12.  Why is cobalt-60 used as a radiation source for medium-weight metals of thickness ranges from 1.5 to 9 inches:
A.
B.
C.
D.
13.  The three main steps in processing a radiograph are:
A.
B.
C.
D.
14.  If an exposure time of 60 seconds was necessary using a 4-foot source-to-film distance for a particular exposure, what time would be necessary if a 2-foot source-to-film distance is used and all other variables remain the same?
A.
B.
C.
D.
15.  With a given exposure time and kilovoltages, a properly exposed radiograph is obtained with a 6 milliamperes-minutes exposure at the distance of 20 inches. It is desired to increase the sharpness of detail in the image by increasing the source-to-film distance to 40 inches. The correct milliamperes-minutes exposure to obtain the desired radiographic density at the increased distance is:
A.
B.
C.
D.
16.  What is sometimes used to change the alternating current from the high voltage transformer to direct current for the purpose of increasing the X-ray machine output:
A.
B.
C.
D.
17.  Assuming that a good radiograph is obtained at a setting of 10 milliamperes in 40 seconds, how much time will be necessary to obtain one equivalent radiograph if the milliamperage is changed to 5 milliamperes (all other conditions remain constant):
A.
B.
C.
D.
18.  A curie is the equivalent of:
A.
B.
C.
D.
19.  Which dose would be dangerous, if not fatal, if applied to the entire body in a short period of time:
A.
B.
C.
D.
20.  The most common material used to provide protection against X rays is:
A.
B.
C.
D.
21.  The voltage and waveform applied to the X-ray tube by a high-voltage transformer primarily determines the:
A.
B.
C.
D.
22.  Very short wavelength electromagnetic radiation produced when electrons traveling at high speeds collide with matter is called:
A.
B.
C.
D.
23.  Water spots on films can be minimized by:
A.
B.
C.
D.
24.  A fluoroscopic installation utilizing fluorescent screen requires:
A.
B.
C.
D.
25.  Reticulation resulting in a puckered or netlike film surface is probably caused by:
A.
B.
C.
D.
26.  L1The selection of one test method over another is usually the decision of the Lvl I technician performing the test.
A.
B.
27.  The radiation quality of a manna-ray source is:
A.
B.
C.
D.
28.  L9most radiographic film uses clear acetate or polyester base with emulsion on both sides
A.
B.
29.  L3Back scattered radiation is often caused by low energy X-rays whose electron path was changed within the film.
A.
B.
30.  X rays, gamma rays, and alpha particles all have one thing in common - they are all:
A.
B.
C.
D.
31.  Any of the body tissues may be injured by excessive exposure to X or gamma rays but particularly sensitive are:
A.
B.
C.
D.
32.  The normal development time for manually processing X-ray film is:
A.
B.
C.
D.
33.  When the minute silver grains on which the X-ray film image is formed group together in relatively large masses, they produce a visual impression called
A.
B.
C.
D.
34.  If a piece of lead 1/2-inch this is placed in the path of a beam of radiation emanating from cobalt-60, it will reduce the dose rate at a given location by:
A.
B.
C.
D.
35.  The best X-ray efficiency is produced when the target material has
A.
B.
C.
D.
36.  L5Photons are tiny particles of matter traveling at the speed of light
A.
B.
37.  Unwanted inclusions in a part will appear on a radiograph as:
A.
B.
C.
D.
38.  A cobalt-60 source has a half-life of
A.
B.
C.
D.
39.  In film radiography, penetrameters are usually placed:
A.
B.
C.
D.
40.  Lead foil screens are used in radiography:
A.
B.
C.
D.
41.  For best results when manually processing film, solutions should be maintained within a temperature range of:
A.
B.
C.
D.
42.  Excessive exposure of film to light prior to development of the film will most likely result in:
A.
B.
C.
D.
43.  A sheet of lead with an opening cut in the shape of the part to be radiographed may be used to decrease the effect of scattered radiation which undercuts the specimens. Such a device is called:
A.
B.
C.
D.
44.  L5"ion production" can occur when a photon collides with an electron and knocks the electron out of the atom
A.
B.
45.  A graph which expresses the relationship between material thickness, KV, and Time specific to film, machine, FFD, processing conditions, and the resulting photographic density is called:
A.
B.
C.
D.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz
We have sent an email with your new password.