2045494
Beschreibung
Quiz von Greg Rothfuss, aktualisiert more than 1 year ago
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Erstellt von Greg Rothfuss
vor etwa 9 Jahre
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Frage 1
Frage
Which scientist first discovered X-Rays?
Antworten
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Wilhelm Konrad Roentgen
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Doctor H. G. Gama
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Doctor Otto Proton
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Raymond Cathode
Frage 2
Frage
What is the name of the tube that was discovered in 1895?
Antworten
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Crooke's tube
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Roentgen’s tube
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Walkoff tube
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Evacuating tube
Frage 3
Frage
Which of the following is NOT a characteristic property of X-Rays?
Antworten
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They travel in straight lines
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They travel at the speed of sound
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They cause irritation to living cells
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They cause certain substances to fluoresce
Frage 4
Frage
The rule that applies to the principle of radiation safety is:
Antworten
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ALARA
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SAMS
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CORPS
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SAFETY
Frage 5
Frage
When taking radiographs, always drape the patient with a lead apron.
Antworten
- True
- False
Frage 6
Frage
The time setting on the X-Ray machine is measured by using which of the following methods?
Antworten
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Minutes or impulses
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Minutes or milliamperes
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Fractions of a second or milliamperes
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Fractions of a second or impulses
Frage 7
Frage
Which of the following instruction is most important when ordering radiographs for female patients?
Antworten
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Have the patient remove her eyeglasses
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Have the patient remove her earrings
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Ask the patient is she has any type of denture
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Ask the patient if she is pregnant
Frage 8
Frage
The film badge should be placed behind the lead-lined barrier at least what number of feet from the tube head?
Antworten
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10
-
6
-
8
-
4
Frage 9
Frage
Which of the following is NOT a safety precaution for taking radiographs?
Antworten
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Always stand behind a lead screen during an exposure
-
Never stand in the path of the central X-Ray beam during exposure
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Never hold the tube head or the tube head cylinder of the X-Ray machine during exposure
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Hold the film packet in the patient’s mouth during exposure if necessary
Frage 10
Frage
Which of the following personnel are authorized to order and diagnostically interpret dental radiographs?
Antworten
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Dental X-Ray technician
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Front desk personnel
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Dental Officers
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Dental technicians
Frage 11
Frage
How often should the surfaces in the dark room be disinfected?
Antworten
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Daily
-
Weekly
-
Bi-Weekly
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Monthly
Frage 12
Frage
Of the following personnel who is NOT allowed to order radiographs?
Antworten
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IDC
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HM
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PA
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MO
Frage 13
Frage
All of the following are indications for a PA (posterior & Anterior) of the chest, EXCEPT?
Antworten
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Pain with respiration
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Chronic cough
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Asbestos
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Rash and streaking
Frage 14
Frage
Which of the following organs will not be seen in a KUB radiograph?
Antworten
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Kidney
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Liver
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Ureters
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Bladder
Frage 15
Frage
Which of the following structures will be seen in the AP projection of the cervical spine?
Antworten
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C1-T3
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C2-T4
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C3-T1
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C3-P0
Frage 16
Frage
A patient presenting with chronic cervical spine pain should be ordered what type of radiograph?
Antworten
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KUB
-
AP Cervical Spine
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Pelvic
-
Chest PA
Frage 17
Frage
At approximately what angle should the ankle be when taking an oblique radiograph?
Antworten
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30
-
45
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60
-
90
Frage 18
Frage
What should be shielded when you are taking an X-ray?
Antworten
-
Hypothalamus
-
Heart
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Reproductive organs
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Scrotum
Frage 19
Frage
The paralleling device consists of which of the following parts?
Antworten
-
A locator ring
-
An indicator rod
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a bite-block
-
All of the above
Frage 20
Frage
The bisecting angle technique is the preferred method and recommended for routine use when taking periapical radiographs.
Antworten
- True
- False
Frage 21
Frage
When taking radiographs, which of the following factors should you consider before using the bisecting-angle technique?
Antworten
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There are no paralleling devices available
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The patient cannot close mouth on bite-block
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The patient has a rubber dam in place
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All of the above
Frage 22
Frage
What landmark is used when exposing the maxillary bicuspid area?
Antworten
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Tip of the nose
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Beside the ala of the nose
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Below the pupil of the eye
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Below the out angle of the eye and below the zygomatic bone
Frage 23
Frage
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.
Antworten
- True
- False
Frage 24
Frage
The occlusal film packet contains two X-Ray films.
Antworten
- True
- False
Frage 25
Frage
What X-Ray machine settings should you use when exposing a maxillary occlusal radiograph on an adult?
Antworten
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10 mA, 87kVp, and 60 impulses
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12 mA, 90kVp, and 60 impulses
-
10 mA, 90kVp, and 60 impulses
-
12 mA, 87kVp, and 40 impulses
Frage 26
Frage
What vertical angulation setting should you use when exposing a maxillary anterior occlusal radiograph?
Antworten
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+50 degrees
-
+55 degrees
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+60 degrees
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+65 degrees
Frage 27
Frage
When exposing a maxillary posterior occlusal radiograph, you should use what vertical angulation setting?
Antworten
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+75 degrees
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+70 degrees
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+65 degrees
-
+60 degrees
Frage 28
Frage
When exposing a mandibular anterior occlusal radiograph, what vertical angulation should you use?
Antworten
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-10 degrees
-
5 degrees
-
0 degrees
-
+5 degrees
Frage 29
Frage
A safe light is the only safe source of illumination used in the darkroom when processing radiographs.
Antworten
- True
- False
Frage 30
Frage
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?
Antworten
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One
-
Five
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Three
-
Seven
Frage 31
Frage
Which of the following methods is most commonly used to process dental radiographs in the Navy?
Antworten
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Laser processing
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Manual processing
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Computer processing
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Automatic processing
Frage 32
Frage
Which of the following procedures should be included in the daily maintenance of the X-Ray machine?
Antworten
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Dusting
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Cleaning with a cloth moistened with water
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Both dusting and Cleaning with a cloth moistened with water
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Cleaning with a cloth moistened with solvent
Frage 33
Frage
You should wait what number of seconds between films before inserting another film into the automatic processor?
Antworten
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10
-
12
-
15
-
30
Frage 34
Frage
The developer and fixer solutions in the automatic processor should be changed at what minimum frequencies?
Antworten
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Daily
-
Weekly
-
Biweekly
-
Every 3 to 4 weeks
Frage 35
Frage
The processing solutions used in the automatic processor are the same as those used in the manual processing procedure.
Antworten
- True
- False
Frage 36
Frage
The cleaning of the roller transports and the solutions in the automatic processor are accomplished at what minimum intervals?
Antworten
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Twice a day
-
Daily
-
Weekly
-
Monthly
Frage 37
Frage
Which teeth can be identified radiographically by a large white region caused by the bone of the nasal septum?
Antworten
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Mandibular incisors
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Mandibular cuspids/bicuspids
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Maxillary incisors
-
Maxillary incisors and bicuspids
Frage 38
Frage
When mounting radiographs, the raised dimple should be facing you.
Antworten
- True
- False
Frage 39
Frage
You should attempt to complete all X-Ray repairs yourself.
Antworten
- True
- False
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