1. The phosphor storage plates are the size of a conventional radiograph film: Which of the following is a characteristic of the phosphor storage plates used in indirect digital imaging?
A.
The phosphor storage plates can be autoclaved between patient use. B.
The phosphor storage plates are the...
TEST BANK Dental Radiography: Principles and Techniques (6TH ED) by Joen Iannucci & Laura Jansen Howerton Chapters 1 - 35 | Complete
TEST BANK FOR Radiation Physics Iannucci: Dental Radiography, 6th Edition QUESTIONS AND ANSWERS
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Radiology Board Exam
1. The phosphor storage plates are the size of a conventional radiograph film: Which of the following is a
characteristic of the phosphor storage plates used in indirect digital imaging?
A.
The phosphor storage plates can be autoclaved between patient use. B.
The phosphor storage plates are the size of a conventional radiograph film. C.
The phosphor storage plates do not require a scanner to read the image. D.
The phosphor storage plates have a cable connecting them to the computer.
2. Thermionic emission: Which of the following terms describes the process of heating the cathode wire filament until
it reaches a high enough temperature to emit an electron cloud?
A.
Ionization B.
Peak kilovoltage C.
Dissipation of heat D.
Thermionic emission
3. x-ray tube: Which component of the X-ray machine contains the cathode and anode?
A.
The X-ray tube B.
The position indicator device C.
The control panel D.
The collimator
4. loses or gains an electron.: Ionization occurs when an atom A.
becomes electrically neutral. B.
loses or gains an electron. C.
loses or gains a proton.
, Radiology Board Exam
D.
loses or gains a neutron.
5. bitewings: Which of the following radiographs are used to detect interproximal caries?
A.
Occlusal radiographs B.
Panoramic radiographs C.
Bitewing radiographs D.
Periapical radiographs
6. perpendicular: When exposing a panoramic radiograph, the patient's midsagittal plane should be positioned
A.
parallel to the floor. B.
perpendicular to the floor. C.
at a 25-degree angle to the floor. D.
at a 45-degree angle to the floor.
7. as low as reasonably achievable: What does ALARA stand for? A.
As low as reasonably acceptable B.
As low as readily available C.
As low as reasonably achievable D.
As low as reasonably applicable
8. bitewings: Which of the following radiographs BEST assesses alveolar crestal bone height?
A.
Cephalometric radiographs B.
Bitewing radiographs C.
Panoramic radiographs
, Radiology Board Exam
D.
Periapical radiographs
9. increasing the contrast: The dental assistant is adjusting the X-ray unit to take panoramic radiographs of the third
molars of a patient who is 21 years old, 6'4", 320 pounds. Which of the following is NOT an appropriate modification
that should be made before imaging this patient?
A.
Adjusting the height of the panoramic machine B.
Increasing the mA C.
Increasing the contrast D.
Increasing the kVp
10.patient self care: Which of the following is NOT assessed on a dental radi- ograph?
A.
Missing teeth B.
Patient self-care C.
Dental caries D.
Development of dentition
11.occlusal/incisal surface.: The raised dot on a film packet should be oriented toward the
A.
root surface. B.
mesial surface. C.
distal surface. D.
occlusal/incisal surface.
12.6: Which of the following periapical radiographs should be exposed first when using the paralleling technique for
a full-mouth series of radiographs?
A.
The periapical of tooth #31 B.
, Radiology Board Exam
The periapical of tooth #25 C.
The periapical of tooth #2 D.
The periapical of tooth #6
13.16 inch: Which of the following position indicating devices (PIDs) exposes the patient to the least amount of
radiation?
A.
14-inch PID B.
12-inch PID C.
8-inch PID D.
16-inch PID
14.thyroid gland: The equipment shown below PRIMARILY protects which of the following areas of the patient's
body during radiograph exposure?
A.
The reproductive organs B.
The nasal sinuses C.
The parotid gland D.
The thyroid gland
15.60: Which of the following kilovoltage potential (kVp) settings will produce a radiograph with the highest
contrast?
A.
90 kVp B.
80 kVp C.
70 kVp D.
60 kVp
16.Position the image receptor close to the tooth and away from the midline.-
: Which of the following is NOT a guideline for paralleling technique?
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