Procedures 13th Edition Long Test Bank

Merrill’s Atlas of Radiographic Positioning and Procedures 13th Edition Long Test Bank

Chapter 01: Preliminary Steps in Radiography

Long: Merrill's Atlas of Radiographic Positioning & Procedures, 13th Edition

MULTIPLE CHOICE

• The primary controlling factor of radiographic contrast in screen-film radiography is:
• mA.
• time.
• kVp.
• SID.

ANS: C DIF: Level: Medium REF: Volume 1, Page 5 OBJ: Category: General TOP: Exam: 1

2. The ability to visualize very small structures on a medical image is termed:

• contrast.
• density.
• distortion.
• spatial resolution.

ANS: D DIF: Level: Hard REF: Volume 1, Page 5 OBJ: Category: General TOP: Exam: 2

• Radiographic images of the hands, wrist, feet, and toes are routinely displayed with the digits:
• positioned toward the ceiling.
• positioned toward the floor.
• horizontal and pointedTtoEtSheTlBefAt.
• horizontal and pointed to the right.

ANS: A DIF: Level: Medium REF: Volume 1, Page 11 OBJ: Category: General TOP: Exam: 1

4. The total destruction of microorganisms is accomplished through the use of:

• disinfectants.
• sterilization.
• germicides.
• antiseptics.

ANS: B DIF: Level: Hard REF: Volume 1, Page 16 OBJ: Category: General TOP: Exam: 1

• In screen-film radiography, which term is defined as the degree of blackening?
• Optical density
• Contrast
• Recorded detail
• Distortion

ANS: A DIF: Level: Medium REF: Volume 1, Page 5 OBJ: Category: General TOP: Exam: None

• The equivalent term for optical density in digital imaging is: 1 / 4

• contrast.
• noise.
• brightness.
• window level.

ANS: C DIF: Level: Medium REF: Volume 1, Page 5 OBJ: Category: General TOP: Exam: None

7. The controlling factors for magnification are:

• density and contrast.
• object-to-image receptor distance (OID) and source-to-image receptor distance

(SID).

• central ray angle and central ray alignment.
• part/image receptor alignment and SID.

ANS: B DIF: Level: Medium REF: Volume 1, Page 7 OBJ: Category: General TOP: Exam: None

• Involuntary motion can be caused by which of the following?
• Peristalsis
• Spasm
• Breathing
• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2, and 3

ANS: A DIF: T

L E ev S e T

l:

B M A ed N iu K m

REF: Volume 1, Page 18

OBJ: Category: Positioning TOP: Exam: None

9. Voluntary motion resulting from lack of control can be caused by:

• fear.
• age (child).
• tremors.
• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2, and 3

ANS: A DIF: Level: Hard REF: Volume 1, Page 19 OBJ: Category: Positioning TOP: Exam: 2

10. Radiographers can control voluntary motion by:

• using a high kVp.
• increasing the length of exposure time.
• performing the examination in the recumbent position.
• giving clear instruction to the patient.

ANS: D DIF: Level: Medium REF: Volume 1, Page 19 OBJ: Category: Positioning TOP: Exam: 1

• A decrease in technical factors may be required for a patient who has: 2 / 4

• edema.
• emphysema.
• atelectasis.
• advanced carcinoma.

ANS: B DIF: Level: Medium REF: Volume 1, Page 41 OBJ: Category: Positioning TOP: Exam: 1

• An increase in technical factors may be required to penetrate a part on a patient who has:
• atrophy.
• emphysema.
• pleural effusion.
• degenerative arthritis.

ANS: C DIF: Level: Hard REF: Volume 1, Page 41 OBJ: Category: Positioning TOP: Exam: 2

• Information that must be included on all radiographic images includes all of the following

except:

• right or left side marker.
• patient’s name or ID number.
• radiographer’s name.
• date of exam.

ANS: C DIF: Level: Medium REF: Volume 1, Page 25 OBJ: Category: Positioning TOP: Exam: 1

• The metric conversion of 40 inches is cm.
• 16
• 18
• 90
• 102

ANS: D DIF: Level: Medium REF: Volume 1, Page 30 OBJ: Category: General TOP: Exam: None

• The source of radiation in an x-ray tube (the anode) shall not be closer than inches from

the .

• 12; patient
• 15; patient
• 12; tabletop
• 15; tabletop

ANS: A DIF: Level: Hard REF: Volume 1, Page 31 OBJ: Category: General TOP: Exam: 2

• Collimation of the x-ray beam prompts which of the following?
• An increase in radiographic contrast
• Reduction of scatter and secondary radiation
• Reduction in radiation to the patient
• 1 and 2
• 1 and 3 3 / 4

• 2 and 3
• 1, 2, and 3

ANS: D DIF: Level: Medium REF: Volume 1, Page 32 OBJ: Category: Positioning TOP: Exam: 1

• Federal guidelines require gonad shielding for which of the following situations?
• The gonads lie in the primary beam.
• The clinical objective of the exam is not compromised.
• The patient has reasonable reproductive potential.
• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2, and 3

ANS: D DIF: Level: Medium REF: Volume 1, Page 33 OBJ: Category: Positioning TOP: Exam: 1

• Which of the following devices are considered IRs?
• Television monitor
• Computed radiography image plate
• Cassette with film
• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2, and 3

ANS: C DIF: T

L E ev S e T

l:

B M A ed N iu K m

SELLER.COM REF: Volume 1, Page 3

OBJ: Category: General TOP: Exam: 3

19. Spatial resolution is primarily controlled by:

• mA.
• screens.
• focal spot size.
• 1 and 2
• 1 and 3
• 2 and 3
• 1, 2, and 3

ANS: C DIF: Level: Hard REF: Volume 1, Page 5 OBJ: Category: General TOP: Exam: 3

• If a bone is projected longer or shorter than it actually is on the radiographic image, it is

known as:

• angulation.
• distortion.
• geometry.
• anatomic position.

ANS: B DIF: Level: Hard REF: Volume 1, Page 7 OBJ: Category: General TOP: Exam: 3

• / 4