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Corpsman Assignment 17: Radiology

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Questions taken from Corpsman manual assignments for use at CorpsmanAcademy.com
Greg Rothfuss
Quiz by Greg Rothfuss, updated more than 1 year ago
Greg Rothfuss
Created by Greg Rothfuss about 9 years ago
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Resource summary

Question 1

Question
Which scientist first discovered X-Rays?
Answer
  • Wilhelm Konrad Roentgen
  • Doctor H. G. Gama
  • Doctor Otto Proton
  • Raymond Cathode

Question 2

Question
What is the name of the tube that was discovered in 1895?
Answer
  • Crooke's tube
  • Roentgen’s tube
  • Walkoff tube
  • Evacuating tube

Question 3

Question
Which of the following is NOT a characteristic property of X-Rays?
Answer
  • They travel in straight lines
  • They travel at the speed of sound
  • They cause irritation to living cells
  • They cause certain substances to fluoresce

Question 4

Question
The rule that applies to the principle of radiation safety is:
Answer
  • ALARA
  • SAMS
  • CORPS
  • SAFETY

Question 5

Question
When taking radiographs, always drape the patient with a lead apron.
Answer
  • True
  • False

Question 6

Question
The time setting on the X-Ray machine is measured by using which of the following methods?
Answer
  • Minutes or impulses
  • Minutes or milliamperes
  • Fractions of a second or milliamperes
  • Fractions of a second or impulses

Question 7

Question
Which of the following instruction is most important when ordering radiographs for female patients?
Answer
  • Have the patient remove her eyeglasses
  • Have the patient remove her earrings
  • Ask the patient is she has any type of denture
  • Ask the patient if she is pregnant

Question 8

Question
The film badge should be placed behind the lead-lined barrier at least what number of feet from the tube head?
Answer
  • 10
  • 6
  • 8
  • 4

Question 9

Question
Which of the following is NOT a safety precaution for taking radiographs?
Answer
  • Always stand behind a lead screen during an exposure
  • Never stand in the path of the central X-Ray beam during exposure
  • Never hold the tube head or the tube head cylinder of the X-Ray machine during exposure
  • Hold the film packet in the patient’s mouth during exposure if necessary

Question 10

Question
Which of the following personnel are authorized to order and diagnostically interpret dental radiographs?
Answer
  • Dental X-Ray technician
  • Front desk personnel
  • Dental Officers
  • Dental technicians

Question 11

Question
How often should the surfaces in the dark room be disinfected?
Answer
  • Daily
  • Weekly
  • Bi-Weekly
  • Monthly

Question 12

Question
Of the following personnel who is NOT allowed to order radiographs?
Answer
  • IDC
  • HM
  • PA
  • MO

Question 13

Question
All of the following are indications for a PA (posterior & Anterior) of the chest, EXCEPT?
Answer
  • Pain with respiration
  • Chronic cough
  • Asbestos
  • Rash and streaking

Question 14

Question
Which of the following organs will not be seen in a KUB radiograph?
Answer
  • Kidney
  • Liver
  • Ureters
  • Bladder

Question 15

Question
Which of the following structures will be seen in the AP projection of the cervical spine?
Answer
  • C1-T3
  • C2-T4
  • C3-T1
  • C3-P0

Question 16

Question
A patient presenting with chronic cervical spine pain should be ordered what type of radiograph?
Answer
  • KUB
  • AP Cervical Spine
  • Pelvic
  • Chest PA

Question 17

Question
At approximately what angle should the ankle be when taking an oblique radiograph?
Answer
  • 30
  • 45
  • 60
  • 90

Question 18

Question
What should be shielded when you are taking an X-ray?
Answer
  • Hypothalamus
  • Heart
  • Reproductive organs
  • Scrotum

Question 19

Question
The paralleling device consists of which of the following parts?
Answer
  • A locator ring
  • An indicator rod
  • a bite-block
  • All of the above

Question 20

Question
The bisecting angle technique is the preferred method and recommended for routine use when taking periapical radiographs.
Answer
  • True
  • False

Question 21

Question
When taking radiographs, which of the following factors should you consider before using the bisecting-angle technique?
Answer
  • There are no paralleling devices available
  • The patient cannot close mouth on bite-block
  • The patient has a rubber dam in place
  • All of the above

Question 22

Question
What landmark is used when exposing the maxillary bicuspid area?
Answer
  • Tip of the nose
  • Beside the ala of the nose
  • Below the pupil of the eye
  • Below the out angle of the eye and below the zygomatic bone

Question 23

Question
The position of the patient’s mid-sagittal plane must be perpendicular to the floor when exposing a periapical radiograph using the bisecting-angle technique.
Answer
  • True
  • False

Question 24

Question
The occlusal film packet contains two X-Ray films.
Answer
  • True
  • False

Question 25

Question
What X-Ray machine settings should you use when exposing a maxillary occlusal radiograph on an adult?
Answer
  • 10 mA, 87kVp, and 60 impulses
  • 12 mA, 90kVp, and 60 impulses
  • 10 mA, 90kVp, and 60 impulses
  • 12 mA, 87kVp, and 40 impulses

Question 26

Question
What vertical angulation setting should you use when exposing a maxillary anterior occlusal radiograph?
Answer
  • +50 degrees
  • +55 degrees
  • +60 degrees
  • +65 degrees

Question 27

Question
When exposing a maxillary posterior occlusal radiograph, you should use what vertical angulation setting?
Answer
  • +75 degrees
  • +70 degrees
  • +65 degrees
  • +60 degrees

Question 28

Question
When exposing a mandibular anterior occlusal radiograph, what vertical angulation should you use?
Answer
  • -10 degrees
  • 5 degrees
  • 0 degrees
  • +5 degrees

Question 29

Question
A safe light is the only safe source of illumination used in the darkroom when processing radiographs.
Answer
  • True
  • False

Question 30

Question
When checking for light leaks in the darkroom, you should leave the penny on the X-Ray film for at least what number of minutes?
Answer
  • One
  • Five
  • Three
  • Seven

Question 31

Question
Which of the following methods is most commonly used to process dental radiographs in the Navy?
Answer
  • Laser processing
  • Manual processing
  • Computer processing
  • Automatic processing

Question 32

Question
Which of the following procedures should be included in the daily maintenance of the X-Ray machine?
Answer
  • Dusting
  • Cleaning with a cloth moistened with water
  • Both dusting and Cleaning with a cloth moistened with water
  • Cleaning with a cloth moistened with solvent

Question 33

Question
You should wait what number of seconds between films before inserting another film into the automatic processor?
Answer
  • 10
  • 12
  • 15
  • 30

Question 34

Question
The developer and fixer solutions in the automatic processor should be changed at what minimum frequencies?
Answer
  • Daily
  • Weekly
  • Biweekly
  • Every 3 to 4 weeks

Question 35

Question
The processing solutions used in the automatic processor are the same as those used in the manual processing procedure.
Answer
  • True
  • False

Question 36

Question
The cleaning of the roller transports and the solutions in the automatic processor are accomplished at what minimum intervals?
Answer
  • Twice a day
  • Daily
  • Weekly
  • Monthly

Question 37

Question
Which teeth can be identified radiographically by a large white region caused by the bone of the nasal septum?
Answer
  • Mandibular incisors
  • Mandibular cuspids/bicuspids
  • Maxillary incisors
  • Maxillary incisors and bicuspids

Question 38

Question
When mounting radiographs, the raised dimple should be facing you.
Answer
  • True
  • False

Question 39

Question
You should attempt to complete all X-Ray repairs yourself.
Answer
  • True
  • False
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