Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Dental Radiography > DENT 1050 Chapter 22 > Flashcards

DENT 1050 Chapter 22 Flashcards

1
Q
  1. Which of the following describes a use of a panoramic image?
    a. diagnosis of caries
    b. evaluation of periodontal disease
    c. evaluation of impacted molars
    d. evaluation of periapical disease
A

c. evaluation of impacted molars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. The zone in which structures are clearly demonstrated on a panoramic image is termed:
    a. the focal trough
    b. the rotation center
    c. the ghost image
    d. the midsagittal plane
A

a. the focal trough

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. Rare earth intensifying screens are recommended in panoramic imaging because:
    a. rare earth screens emit a blue light
    b. rare earth screens provide a more diagnostic image
    c. rare earth screens require less x-ray exposure for the patient
    d. the images convert faster in automatic processors
A

c. rare earth screens require less x-ray exposure for the patient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. A thyroid collar is not recommended in panoramic imaging because:
    a. it blocks the x-ray beam and obscures information
    b. there is a relatively low dose of radiation the the thyroid gland in panoramic imaging
    c. it is impossible to sterilize the thyroid collar
    d. all of the above
A

a. it blocks the x-ray beam and obscures information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. The imaginary line that passes from the bottom of the eye socket through the top of the ear canal is termed:
    a. the midsagittal plane
    b. the Frankfort plane
    c. the vertebral plane
    d. the orbital plane
A

b. the Frankfort plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The receptor and the tubehead rotate around the patient.

A

a. Panoramic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. a. Panoramic b. Intraoral imaging c. both;

This type of image is used to examine the extent of large lesions

A

a. Panoramic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The dental arches must be aligned to the focal trough

A

a. Panoramic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The tubehead contains a filament used to produce electrons and a target used to produce x-rays.

A

c. both

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The collimator is a lead plate with an opening in the shape of a narrow vertical slit.

A

a. Panoramic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The collimator is a lead plate with a small, round or rectangular opening.

A

b. Intraoral imaging

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The vertical angulation of the tubehead is variable.

A

c. both

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. a. Panoramic b. Intraoral imaging c. both;

A head positioner is used to position the patient’s head.

A

a. Panoramic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. a. Panoramic b. Intraoral imaging c. both;

A screen film is used.

A

a. Panoramic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. a. Panoramic b. Intraoral imaging c. both;

A cassette holder with two intensifying screens is used.

A

a. Panoramic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The x-ray film must be loaded into a cassette in a darkroom under safelight conditions.

A

a. Panoramic

17
Q
  1. a. Panoramic b. Intraoral imaging c. both;

A lead apron with a thyroid collar must be placed on the patient.

A

b. Intraoral imaging

18
Q 
18. a. Panoramic b. Intraoral imaging c. both;
All jewelry (earrings and necklaces) must be removed before exposure.
A

c. both

19
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The midsagittal plane must be positioned perpendicular to the floor.

A

c. both

20
Q
  1. a. Panoramic b. Intraoral imaging c. both;

The vertebral column must be perfectly straight.

A

a. Panoramic

21
Q
  1. Discuss the equipment preparations necessary before exposure of a panoramic projection.
A

ans

22
Q
  1. Discuss the patient preparations necessary before exposure of a panoramic projection.
A

ans

23
Q
  1. Discuss the patient positioning steps necessary before exposure of a panoramic projection.
A

ans

24
Q
  1. Give examples of Frankfort plane positioning errors, and discuss what steps can be taken to correct such errors.
A

ans

25
Q
  1. Discuss the advantages and disadvantages of panoramic imaging.
A

ans

26
Q
  1. Identify the approximate age of the patient in Figure 22-31.
A

ans

27
Q
  1. Identify the approximate age of the patient in Figure 22-32.
A

ans

28
Q
  1. Identify the approximate age of the patient in Figure 22-33.
A

ans

Dental Radiography (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions