Deck 1: Preliminary Steps in Radiography

Question 1

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

A) disinfectants.
B) sterilization.
C) germicides.
D) antiseptics.

Answer 1

sterilization.

Question 2

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

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

Answer 2

1, 2, and 3

Question 3

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

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

Answer 3

1 and 2

Question 4

Radiographers can control voluntary motion by:

A) using a high kVp.
B) increasing the length of exposure time.
C) performing the examination in the recumbent position.
D) giving clear instruction to the patient.

Question 5

A decrease in technical factors may be required for a patient who has:

A) edema.
B) emphysema.
C) atelectasis.
D) advanced carcinoma.

Question 6

The primary controlling factor of radiographic contrast in screen-film radiography is:

A) mA.
B) time.
C) kVp.
D) SID.

Question 7

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

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

Question 8

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

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

Question 9

An increase in technical factors may be required to penetrate a part on a patient who has:

A) atrophy.
B) emphysema.
C) pleural effusion.
D) degenerative arthritis.

Question 10

Voluntary motion resulting from lack of control can be caused by:
1)fear.
2)age (child).
3)tremors.

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

Question 11

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

A) angulation.
B) distortion.
C) geometry.
D) anatomic position.

Question 12

The metric conversion of 40 inches is _____ cm.

A) 16
B) 18
C) 90
D) 102

Question 13

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

A) 12; patient
B) 15; patient
C) 12; tabletop
D) 15; tabletop

Question 14

The equivalent term for optical density in digital imaging is:

A) contrast.
B) noise.
C) brightness.
D) window level.

Question 15

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

A) contrast.
B) density.
C) distortion.
D) spatial resolution.

Question 16

In screen-film radiography, which term is defined as the degree of blackening?

A) Optical density
B) Contrast
C) Recorded detail
D) Distortion

Question 17

Spatial resolution is primarily controlled by:
1)mA.
2)screens.
3)focal spot size.

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

Question 18

The controlling factors for magnification are:

A) density and contrast.
B) object-to-image receptor distance (OID) and source-to-image receptor distance (SID).
C) central ray angle and central ray alignment.
D) part/image receptor alignment and SID.

Question 19

Radiographic images of the hands, wrist, feet, and toes are routinely displayed with the digits:

A) positioned toward the ceiling.
B) positioned toward the floor.
C) horizontal and pointed to the left.
D) horizontal and pointed to the right.

Question 20

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

A) right or left side marker.
B) patient's name or ID number.
C) radiographer's name.
D) date of exam.

Question 21

Which of the following is true when using computed radiography?
1)The IR could be opened for a few minutes without causing the stored image to be destroyed.
2)Collimation of the x-ray beam is not critical.
3)Final contrast and density adjustments of the radiographic image are done using a computer.

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

Question 22

A fundamental responsibility of radiographers is to ensure that each radiation exposure upholds the ALARA concept. ALARA stands for:

A) as low as reasonably achievable.
B) as long as radiograph is acceptable.
C) acceptable limits allowed for radiographic attempts.
D) attempts to lessen all radiographic allowances.

Question 23

Gonad shielding is required when the gonads lie within ____ cm of the primary x-ray field.

A) 3
B) 5
C) 6
D) 8

Question 24

Which of the following radiographic examinations would give a female patient the highest gonad dose?

A) Limb
B) Skull
C) Pelvis
D) Lumbar spine

Question 25

Each radiology department must write age-specific competencies to meet the standards of the:

A) CDC.
B) ASRT.
C) ARRT.
D) JCAHO.

Question 26

Which of the following must be cleaned after every patient?

A) Collimator
B) Tabletop
C) Gonad shields
D) X-ray tube

Question 27

Which of the following is affected when imaging patients who are obese?
1)Image quality
2)Ability to transfer safely
3)Ability to find positioning landmarks

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

Question 28

Which organizations jointly revised and adopted the Code of Ethics for Radiologic Technologists in the United States?

A) American College of Radiology and the American Registry of Radiologic Technologists
B) American Society of Radiologic Technologists and the American Registry of Radiologic Technologists
C) American College of Radiology and The Joint Commission
D) American Registry of Radiologic Technologists and The Joint Commission

Question 29

The phosphors in computed radiography IRs are very sensitive to:

A) kVp.
B) dust.
C) collimation.
D) scatter radiation.

Question 30

Radiographers who are educated as "radiologist extenders" are known as:
1)physician assistants (PAs).
2)radiologist assistants (RAs).
3)radiology practitioner assistants (RPAs).

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

Question 31

Blood and body fluid recommendations are issued by the:

A) CDC.
B) ASRT.
C) ARRT.
D) JCAHO.

Question 32

A physician who is board certified to read or interpret, x-ray examinations is a:

A) hospitalist.
B) radiographer.
C) radiologist.
D) surgeon.

Question 33

Which of the following radiographic examinations would give a male patient the highest gonad dose?

A) Limb
B) Skull
C) Pelvis
D) Lumbar spine