2045494
Descripción
Test por Greg Rothfuss, actualizado hace más de 1 año
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Creado por Greg Rothfuss
hace alrededor de 9 años
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Pregunta 1
Pregunta
Which scientist first discovered X-Rays?
Respuesta
-
Wilhelm Konrad Roentgen
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Doctor H. G. Gama
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Doctor Otto Proton
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Raymond Cathode
Pregunta 2
Pregunta
What is the name of the tube that was discovered in 1895?
Respuesta
-
Crooke's tube
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Roentgen’s tube
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Walkoff tube
-
Evacuating tube
Pregunta 3
Pregunta
Which of the following is NOT a characteristic property of X-Rays?
Respuesta
-
They travel in straight lines
-
They travel at the speed of sound
-
They cause irritation to living cells
-
They cause certain substances to fluoresce
Pregunta 4
Pregunta
The rule that applies to the principle of radiation safety is:
Respuesta
-
ALARA
-
SAMS
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CORPS
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SAFETY
Pregunta 5
Pregunta
When taking radiographs, always drape the patient with a lead apron.
Respuesta
- True
- False
Pregunta 6
Pregunta
The time setting on the X-Ray machine is measured by using which of the following methods?
Respuesta
-
Minutes or impulses
-
Minutes or milliamperes
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Fractions of a second or milliamperes
-
Fractions of a second or impulses
Pregunta 7
Pregunta
Which of the following instruction is most important when ordering radiographs for female patients?
Respuesta
-
Have the patient remove her eyeglasses
-
Have the patient remove her earrings
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Ask the patient is she has any type of denture
-
Ask the patient if she is pregnant
Pregunta 8
Pregunta
The film badge should be placed behind the lead-lined barrier at least what number of feet from the tube head?
Respuesta
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10
-
6
-
8
-
4
Pregunta 9
Pregunta
Which of the following is NOT a safety precaution for taking radiographs?
Respuesta
-
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
-
Hold the film packet in the patient’s mouth during exposure if necessary
Pregunta 10
Pregunta
Which of the following personnel are authorized to order and diagnostically interpret dental radiographs?
Respuesta
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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
Pregunta 11
Pregunta
How often should the surfaces in the dark room be disinfected?
Respuesta
-
Daily
-
Weekly
-
Bi-Weekly
-
Monthly
Pregunta 12
Pregunta
Of the following personnel who is NOT allowed to order radiographs?
Respuesta
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IDC
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HM
-
PA
-
MO
Pregunta 13
Pregunta
All of the following are indications for a PA (posterior & Anterior) of the chest, EXCEPT?
Respuesta
-
Pain with respiration
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Chronic cough
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Asbestos
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Rash and streaking
Pregunta 14
Pregunta
Which of the following organs will not be seen in a KUB radiograph?
Respuesta
-
Kidney
-
Liver
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Ureters
-
Bladder
Pregunta 15
Pregunta
Which of the following structures will be seen in the AP projection of the cervical spine?
Respuesta
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C1-T3
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C2-T4
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C3-T1
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C3-P0
Pregunta 16
Pregunta
A patient presenting with chronic cervical spine pain should be ordered what type of radiograph?
Respuesta
-
KUB
-
AP Cervical Spine
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Pelvic
-
Chest PA
Pregunta 17
Pregunta
At approximately what angle should the ankle be when taking an oblique radiograph?
Respuesta
-
30
-
45
-
60
-
90
Pregunta 18
Pregunta
What should be shielded when you are taking an X-ray?
Respuesta
-
Hypothalamus
-
Heart
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Reproductive organs
-
Scrotum
Pregunta 19
Pregunta
The paralleling device consists of which of the following parts?
Respuesta
-
A locator ring
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An indicator rod
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a bite-block
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All of the above
Pregunta 20
Pregunta
The bisecting angle technique is the preferred method and recommended for routine use when taking periapical radiographs.
Respuesta
- True
- False
Pregunta 21
Pregunta
When taking radiographs, which of the following factors should you consider before using the bisecting-angle technique?
Respuesta
-
There are no paralleling devices available
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The patient cannot close mouth on bite-block
-
The patient has a rubber dam in place
-
All of the above
Pregunta 22
Pregunta
What landmark is used when exposing the maxillary bicuspid area?
Respuesta
-
Tip of the nose
-
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
Pregunta 23
Pregunta
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.
Respuesta
- True
- False
Pregunta 24
Pregunta
The occlusal film packet contains two X-Ray films.
Respuesta
- True
- False
Pregunta 25
Pregunta
What X-Ray machine settings should you use when exposing a maxillary occlusal radiograph on an adult?
Respuesta
-
10 mA, 87kVp, and 60 impulses
-
12 mA, 90kVp, and 60 impulses
-
10 mA, 90kVp, and 60 impulses
-
12 mA, 87kVp, and 40 impulses
Pregunta 26
Pregunta
What vertical angulation setting should you use when exposing a maxillary anterior occlusal radiograph?
Respuesta
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+50 degrees
-
+55 degrees
-
+60 degrees
-
+65 degrees
Pregunta 27
Pregunta
When exposing a maxillary posterior occlusal radiograph, you should use what vertical angulation setting?
Respuesta
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+75 degrees
-
+70 degrees
-
+65 degrees
-
+60 degrees
Pregunta 28
Pregunta
When exposing a mandibular anterior occlusal radiograph, what vertical angulation should you use?
Respuesta
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-10 degrees
-
5 degrees
-
0 degrees
-
+5 degrees
Pregunta 29
Pregunta
A safe light is the only safe source of illumination used in the darkroom when processing radiographs.
Respuesta
- True
- False
Pregunta 30
Pregunta
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?
Respuesta
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One
-
Five
-
Three
-
Seven
Pregunta 31
Pregunta
Which of the following methods is most commonly used to process dental radiographs in the Navy?
Respuesta
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Laser processing
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Manual processing
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Computer processing
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Automatic processing
Pregunta 32
Pregunta
Which of the following procedures should be included in the daily maintenance of the X-Ray machine?
Respuesta
-
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
Pregunta 33
Pregunta
You should wait what number of seconds between films before inserting another film into the automatic processor?
Respuesta
-
10
-
12
-
15
-
30
Pregunta 34
Pregunta
The developer and fixer solutions in the automatic processor should be changed at what minimum frequencies?
Respuesta
-
Daily
-
Weekly
-
Biweekly
-
Every 3 to 4 weeks
Pregunta 35
Pregunta
The processing solutions used in the automatic processor are the same as those used in the manual processing procedure.
Respuesta
- True
- False
Pregunta 36
Pregunta
The cleaning of the roller transports and the solutions in the automatic processor are accomplished at what minimum intervals?
Respuesta
-
Twice a day
-
Daily
-
Weekly
-
Monthly
Pregunta 37
Pregunta
Which teeth can be identified radiographically by a large white region caused by the bone of the nasal septum?
Respuesta
-
Mandibular incisors
-
Mandibular cuspids/bicuspids
-
Maxillary incisors
-
Maxillary incisors and bicuspids
Pregunta 38
Pregunta
When mounting radiographs, the raised dimple should be facing you.
Respuesta
- True
- False
Pregunta 39
Pregunta
You should attempt to complete all X-Ray repairs yourself.
Respuesta
- True
- False
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