Chapter 25: Digital Imaging

Chapter 25: Digital Imaging

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. Digital imaging uses _________________ to produce an image.

ANS:  D

Digital imaging uses an electronic sensor and computerized imaging system to produce an image.

DIF:    Comprehension                               REF:   Page 288        OBJ:   2

TOP:   CDA, RHS, I.B.2.a. Advantages/disadvantages of digital radiography

MSC:  NBDHE, 2.3 Technique

2. With digital imaging, the term ___________ is used to describe the pictures that are produced.

ANS:  C

With digital imaging, the term image is used to describe the pictures that are produced.

DIF:    Comprehension                               REF:   Page 289        OBJ:   1 | 3

TOP:   CDA, RHS, I.B.2.a. Advantages/disadvantages of digital radiography

MSC:  NBDHE, 2.3 Technique

3. Your patient is concerned about the amount of x-ray exposure she has had because she had x-rays taken quite often at her previous dental office. You explain to her that the images are necessary and you will be taking digital images which require _________ exposure than the films she previously had taken. Exposure times are ________ than that required for conventional radiography.

ANS:  C

Exposure times are 50% to 90% less than that required for conventional radiography.

DIF:    Application    REF:   Page 289        OBJ:   5

TOP:   CDA, RHS, I.B.2.a. Advantages/disadvantages of digital radiography

MSC:  NBDHE, 2.3 Technique

4. Most digital imaging systems use a ______________ as the x-radiation source.

ANS:  B

Most digital imaging systems use a conventional dental x-ray unit as the x-radiation source.

DIF:    Comprehension                               REF:   Page 290        OBJ:   3 | 4 | 5

TOP:   CDA, RHS, I.B.2.a. Advantages/disadvantages of digital radiography

MSC:  NBDHE, 2.3 Technique

5. In order to be used for digital imaging, the x-ray unit timer must be adapted to allow exposures in a time frame of _______ of a second.

ANS:  D

In order to be used for digital imaging, the x-ray unit timer must be adapted to allow exposures in a time frame of 1/100 of a second.

DIF:    Comprehension                               REF:   Page 290        OBJ:   5

TOP:   CDA, RHS, I.B.2.a. Advantages/disadvantages of digital radiography

MSC:  NBDHE, 2.3 Technique