Question 1

Which of the following attire is worn by the radiographer when entering a strict isolation room for a mobile radiography examination?
1)Mask
2)Gown
3)Gloves

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 D

Question 2

Which of the following should be available on every mobile radiography machine?
1)Lead apron
2)Radiographic technique chart
3)Measuring caliper

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 D

Question 3

During a mobile exposure, the radiographer should be how far from the object being radiographed?

Accepted Answer

A)  4 feet 
B)  5 feet 
C)  6 feet 
D)  10 feet 
A)  4 feet 
B)  5 feet 
C)  6 feet 
D)  10 feet C

Question 4

During mobile radiography, shielding should be used on:
1)children.
2)exams in which the gonads are near the primary beam.
3)patients of reproductive age.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 5

During mobile radiography, the radiographer ideally should be standing at what degree of angle from the primary beam?

Accepted Answer

A)  0 degrees 
B)  45 degrees 
C)  90 degrees 
D)  45 to 90 degrees 
A)  0 degrees 
B)  45 degrees 
C)  90 degrees 
D)  45 to 90 degrees

Question 6

Mobile radiographic units can have direct digital capability with wired to the unit or wireless.

Accepted Answer

A) True 
 B)False

Question 7

Most grids used for mobile radiography have ratios of:

Accepted Answer

A)  6:1 or 8:1. 
B)  8:1 or 10:1. 
C)  10:1 or 12:1. 
D)  12:1 or 16:1. 
A)  6:1 or 8:1. 
B)  8:1 or 10:1. 
C)  10:1 or 12:1. 
D)  12:1 or 16:1.

Question 8

How long should the patient lie in the decubitus position before making the exposure during a mobile decubitus chest examination?

Accepted Answer

A)  1 minute 
B)  2 minutes 
C)  3 minutes 
D)  5 minutes 
A)  1 minute 
B)  2 minutes 
C)  3 minutes 
D)  5 minutes

Question 9

The central ray must be centered within how many inches of the midline of the grid to avoid grid cutoff?

Accepted Answer

A)  1 $1 / 2$ inch 
B)  1 inches 
C)  2 inches 
D)  2 $1 / 2$ inches 
A)  1 $1 / 2$ inch 
B)  1 inches 
C)  2 inches 
D)  2 $1 / 2$ inches

Question 10

The generators for mobile units have the same kilowatt rating as stationary x-ray equipment.

Accepted Answer

A) True 
 B)False

Question 11

To keep exposure times to a minimum during mobile radiography, the recommended SID should be _____ inches.

Accepted Answer

A)  30 
B)  36 
C)  40 
D)  48 
A)  30 
B)  36 
C)  40 
D)  48

Question 12

Which of the following attire is worn by the radiographer if a patient has drainage secretion precautions?
1)Mask
2)Gown
3)Gloves

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  1, 2, and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  1, 2, and 3

Question 13

The single most effective means of radiation protection during mobile radiography is:

Accepted Answer

A)  distance. 
B)  exposure time. 
C)  choice of kVp. 
D)  use of a nongrid technique. 
A)  distance. 
B)  exposure time. 
C)  choice of kVp. 
D)  use of a nongrid technique.

Question 14

According to federal regulations, the source-to-skin (SSD) distance during mobile radiography may not be less than _____ inches.

Accepted Answer

A)  10 
B)  12 
C)  15 
D)  24 
A)  10 
B)  12 
C)  15 
D)  24

Question 15

For which mobile examinations is the cathode of the x-ray tube placed toward the head end of the patient?
1)AP abdomen
2)AP and lateral femur
3)AP chest

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3

Question 16

What will result if the grid IR is leaning on a mobile lateral decubitus examination of the chest or abdomen?

Accepted Answer

A)  Increased scatter 
B)  Distortion 
C)  The distal anatomy will not be demonstrated 
D)  The proximal anatomy will not be demonstrated 
A)  Increased scatter 
B)  Distortion 
C)  The distal anatomy will not be demonstrated 
D)  The proximal anatomy will not be demonstrated

Question 17

The anode heel effect is an important consideration in mobile radiography. Which of the following will produce a more pronounced heel effect?
1)Short SID
2)Large field size
3)Use of low kVp techniques

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 18

Which position is recommended for a mobile AP chest examination on a critically ill patient?

Accepted Answer

A)  Seated upright at a 90-degree angle 
B)  Seated upright at a 45-degree angle 
C)  Supine 
D)  Left lateral decubitus 
A)  Seated upright at a 90-degree angle 
B)  Seated upright at a 45-degree angle 
C)  Supine 
D)  Left lateral decubitus

Question 19

During mobile radiography, the least amount of scattered radiation will occur at what angle to the object being radiographed?

Accepted Answer

A)  45 degrees 
B)  50 degrees 
C)  70 degrees 
D)  90 degrees 
A)  45 degrees 
B)  50 degrees 
C)  70 degrees 
D)  90 degrees

Question 20

Which of the following preliminary steps should the radiographer perform before beginning a mobile x-ray examination?
1)Invite family members to remain in the room.
2)Introduce oneself to the patient and family.
3)Determine that the correct patient is in the room.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Exam 26: Mobile Radiography

Which of the following attire is worn by the radiographer when entering a strict isolation room for a mobile radiography examination? 1)Mask 2)Gown 3)Gloves

Which of the following should be available on every mobile radiography machine? 1)Lead apron 2)Radiographic technique chart 3)Measuring caliper

During a mobile exposure, the radiographer should be how far from the object being radiographed?

During mobile radiography, shielding should be used on: 1)children. 2)exams in which the gonads are near the primary beam. 3)patients of reproductive age.

During mobile radiography, the radiographer ideally should be standing at what degree of angle from the primary beam?

Mobile radiographic units can have direct digital capability with wired to the unit or wireless.

Most grids used for mobile radiography have ratios of:

How long should the patient lie in the decubitus position before making the exposure during a mobile decubitus chest examination?

The central ray must be centered within how many inches of the midline of the grid to avoid grid cutoff?

The generators for mobile units have the same kilowatt rating as stationary x-ray equipment.

To keep exposure times to a minimum during mobile radiography, the recommended SID should be _____ inches.

Which of the following attire is worn by the radiographer if a patient has drainage secretion precautions? 1)Mask 2)Gown 3)Gloves

The single most effective means of radiation protection during mobile radiography is:

According to federal regulations, the source-to-skin (SSD) distance during mobile radiography may not be less than _____ inches.

For which mobile examinations is the cathode of the x-ray tube placed toward the head end of the patient? 1)AP abdomen 2)AP and lateral femur 3)AP chest

What will result if the grid IR is leaning on a mobile lateral decubitus examination of the chest or abdomen?

The anode heel effect is an important consideration in mobile radiography. Which of the following will produce a more pronounced heel effect? 1)Short SID 2)Large field size 3)Use of low kVp techniques

Which position is recommended for a mobile AP chest examination on a critically ill patient?

During mobile radiography, the least amount of scattered radiation will occur at what angle to the object being radiographed?

Which of the following preliminary steps should the radiographer perform before beginning a mobile x-ray examination? 1)Invite family members to remain in the room. 2)Introduce oneself to the patient and family. 3)Determine that the correct patient is in the room.

Preliminary Steps in Radiography

Compensating Filters

General Anatomy and Radiographic Positioning Terminology

Upper Limb

Shoulder Girdle

Lower Limb

Pelvis and Upper Femora

Vertebral Column

Bony Thorax

Thoracic Viscera

Long Bone Measurement

Contrast Arthrography

Trauma Radiography

Mouth and Salivary Glands

Anterior Part of Neck

Abdomen

Digestive System: Alimentary Canal

Urinary System and Venipuncture

Reproductive System

Skull, Facial Bones, and Paranasal Sinuses

Mammography

Central Nervous System

Vascular, Cardiac, and Interventional Radiography

Pediatric Imaging

Geriatric Radiography

Surgical Radiography

Sectional Anatomy for Radiographers

Computed Tomography

Magnetic Resonance Imaging

Diagnostic Ultrasound

Nuclear Medicine

Bone Densitometry

Radiation Oncology

Filters