Question 1

Which of the following tests can be used to determine focal spot size?

Accepted Answer

A) Safelight test 
B) Wire mesh test 
C) Wisconsin test cassette 
D) Star pattern test 
A) Safelight test 
B) Wire mesh test 
C) Wisconsin test cassette 
D) Star pattern test D

Question 2

The light field and radiation field of a radiographic unit must be congruent to within ____ of the SID.

Accepted Answer

A) ±1% 
B) ±2% 
C) ±3% 
D) ±5% 
A) ±1% 
B) ±2% 
C) ±3% 
D) ±5% B

Question 3

During testing for grid uniformity, films should be uniform within an optical density of

Accepted Answer

A) ±0.4. 
B) ±0.3. 
C) ±0.2. 
D) ±0.1. 
A) ±0.4. 
B) ±0.3. 
C) ±0.2. 
D) ±0.1. D

Question 4

Path closure in pluridirectional tomographic units should be within ____ of the path length.

Accepted Answer

A) 2% 
B) 5% 
C) 10% 
D) 15% 
A) 2% 
B) 5% 
C) 10% 
D) 15%

Question 5

Conventional tomographic systems should produce images of tissue that lie within ____ mm of the indicated tomographic plane.

Accepted Answer

A) 5 
B) 10 
C) 15 
D) 20 
A) 5 
B) 10 
C) 15 
D) 20

Question 6

Two common quality control tests that should be performed on grids are grid _____ and grid _____ tests.

Accepted Answer

A) ratio; frequency 
B) alignment; uniformity 
C) ratio; alignment 
D) uniformity; ratio 
A) ratio; frequency 
B) alignment; uniformity 
C) ratio; alignment 
D) uniformity; ratio

Question 7

The maximum variation coefficient for reproducibility of x-ray generators is

Accepted Answer

A) 0.05. 
B) 0.07. 
C) 0.10. 
D) 0.20. 
A) 0.05. 
B) 0.07. 
C) 0.10. 
D) 0.20.

Question 8

Collimation systems equipped with positive beam limitation must be accurate to within ____ of the SID.

Accepted Answer

A) ±5% 
B) ±4% 
C) ±3% 
D) ±2% 
A) ±5% 
B) ±4% 
C) ±3% 
D) ±2%

Question 9

X-ray system mAs reciprocity has an acceptance parameter of

Accepted Answer

A) ±5%. 
B) ±10%. 
C) ±15%. 
D) ±20%. 
A) ±5%. 
B) ±10%. 
C) ±15%. 
D) ±20%.

Question 10

During AEC evaluation with varying kVp, the AEC system should maintain a constant film density to within ____ optical density units.

Accepted Answer

A) ±0.05 
B) ±0.1 
C) ±0.2 
D) ±0.3 
A) ±0.05 
B) ±0.1 
C) ±0.2 
D) ±0.3

Question 11

The x-ray tube must be mounted inside its housing so that the central ray exits the housing to within ____ degree(s) of perpendicular.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 12

What is the acceptance criterion for a timer circuit with an exposure time shorter than 10 ms?

Accepted Answer

A) 5% 
B) 10% 
C) 15% 
D) 20% 
A) 5% 
B) 10% 
C) 15% 
D) 20%

Question 13

Which of the following devices can be used as the sensor in AEC units?

Accepted Answer

A) Ion chamber 
B) Photocell 
C) Solid-state detector 
D) All of the above 
A) Ion chamber 
B) Photocell 
C) Solid-state detector 
D) All of the above

Question 14

The tomographic exposure angle indicated on the equipment and the actual tomographic angle must coincide within ____ degrees for units operating at angles greater than 30 degrees.

Accepted Answer

A) 2 
B) 5 
C) 10 
D) 20 
A) 2 
B) 5 
C) 10 
D) 20

Question 15

An exposure of 600 mA and 16 ms yields an exposure output of 240 mR.What is the mR/mAs?

Accepted Answer

A) 2.5 
B) 25 
C) 250 
D) 2500 
A) 2.5 
B) 25 
C) 250 
D) 2500

Question 16

What is the NEMA allowance parameter for an x-ray tube that has a stated focal spot size of 1.5 mm?

Accepted Answer

A) 50% 
B) 40% 
C) 30% 
D) 20% 
A) 50% 
B) 40% 
C) 30% 
D) 20%

Question 17

The minimum filtration required for general-purpose radiographic systems is _____ mm Al.

Accepted Answer

A) 2.0 
B) 2.1 
C) 2.5 
D) 3.0 
A) 2.0 
B) 2.1 
C) 2.5 
D) 3.0

Question 18

The kilovolts peak (kVp) must be accurate to

Accepted Answer

A) ±2%. 
B) ±5%. 
C) ±10%. 
D) ±15%. 
A) ±2%. 
B) ±5%. 
C) ±10%. 
D) ±15%.

Question 19

A synchronous spinning top is used on a three-phase unit with a time of 17 ms.Approximately how large of an arc should appear if the timer circuit is accurate?

Accepted Answer

A) 3 degrees 
B) 6 degrees 
C) 17 degrees 
D) 36 degrees 
A) 3 degrees 
B) 6 degrees 
C) 17 degrees 
D) 36 degrees

Question 20

What is the accepted half-value layer (HVL) for an x-ray unit operating at 80 kVp?

Accepted Answer

A) 2.1 mm Al 
B) 2.3 mm Al 
C) 2.5 mm Al 
D) 2.7 mm Al 
A) 2.1 mm Al 
B) 2.3 mm Al 
C) 2.5 mm Al 
D) 2.7 mm Al

Which of the following tests can be used to determine focal spot size?

The light field and radiation field of a radiographic unit must be congruent to within ____ of the SID.

During testing for grid uniformity, films should be uniform within an optical density of

Path closure in pluridirectional tomographic units should be within ____ of the path length.

Conventional tomographic systems should produce images of tissue that lie within ____ mm of the indicated tomographic plane.

Two common quality control tests that should be performed on grids are grid _ and grid _ tests.

The maximum variation coefficient for reproducibility of x-ray generators is

Collimation systems equipped with positive beam limitation must be accurate to within ____ of the SID.

X-ray system mAs reciprocity has an acceptance parameter of

During AEC evaluation with varying kVp, the AEC system should maintain a constant film density to within ____ optical density units.

The x-ray tube must be mounted inside its housing so that the central ray exits the housing to within ____ degree(s) of perpendicular.

What is the acceptance criterion for a timer circuit with an exposure time shorter than 10 ms?

Which of the following devices can be used as the sensor in AEC units?

The tomographic exposure angle indicated on the equipment and the actual tomographic angle must coincide within ____ degrees for units operating at angles greater than 30 degrees.

An exposure of 600 mA and 16 ms yields an exposure output of 240 mR.What is the mR/mAs?

What is the NEMA allowance parameter for an x-ray tube that has a stated focal spot size of 1.5 mm?

The minimum filtration required for general-purpose radiographic systems is _____ mm Al.

The kilovolts peak (kVp) must be accurate to

A synchronous spinning top is used on a three-phase unit with a time of 17 ms.Approximately how large of an arc should appear if the timer circuit is accurate?

What is the accepted half-value layer (HVL) for an x-ray unit operating at 80 kVp?

Introduction to Quality Management

Quality Management Tools and Procedures

Filmscreen Image Receptors, Darkrooms, and Viewing Conditions

Film Processing

Processor Quality Control

Silver Recovery

Quality Control of Fluoroscopic Equipment

Digital and Advanced Imaging Equipment

Outcomes Assessment of Radiographic Images

Mammographic Quality Standards

Quality Control in Computed Tomography

Quality Control for Magnetic Resonance Imaging Equipment

Ultrasound Equipment Quality Assurance

Quality Assurance in Nuclear Medicine

Filters

Exam 7: Quality Control of X-Ray Generators and Ancillary Radiographic Equipment

Which of the following tests can be used to determine focal spot size?

The light field and radiation field of a radiographic unit must be congruent to within ____ of the SID.

During testing for grid uniformity, films should be uniform within an optical density of

Path closure in pluridirectional tomographic units should be within ____ of the path length.

Conventional tomographic systems should produce images of tissue that lie within ____ mm of the indicated tomographic plane.

Two common quality control tests that should be performed on grids are grid _____ and grid _____ tests.

The maximum variation coefficient for reproducibility of x-ray generators is

Collimation systems equipped with positive beam limitation must be accurate to within ____ of the SID.

X-ray system mAs reciprocity has an acceptance parameter of

During AEC evaluation with varying kVp, the AEC system should maintain a constant film density to within ____ optical density units.

The x-ray tube must be mounted inside its housing so that the central ray exits the housing to within ____ degree(s) of perpendicular.

What is the acceptance criterion for a timer circuit with an exposure time shorter than 10 ms?

Which of the following devices can be used as the sensor in AEC units?

The tomographic exposure angle indicated on the equipment and the actual tomographic angle must coincide within ____ degrees for units operating at angles greater than 30 degrees.

An exposure of 600 mA and 16 ms yields an exposure output of 240 mR.What is the mR/mAs?

What is the NEMA allowance parameter for an x-ray tube that has a stated focal spot size of 1.5 mm?

The minimum filtration required for general-purpose radiographic systems is _____ mm Al.

The kilovolts peak (kVp) must be accurate to

A synchronous spinning top is used on a three-phase unit with a time of 17 ms.Approximately how large of an arc should appear if the timer circuit is accurate?

What is the accepted half-value layer (HVL) for an x-ray unit operating at 80 kVp?

Introduction to Quality Management

Quality Management Tools and Procedures

Filmscreen Image Receptors, Darkrooms, and Viewing Conditions

Film Processing

Processor Quality Control

Silver Recovery

Quality Control of Fluoroscopic Equipment

Digital and Advanced Imaging Equipment

Outcomes Assessment of Radiographic Images

Mammographic Quality Standards

Quality Control in Computed Tomography

Quality Control for Magnetic Resonance Imaging Equipment

Ultrasound Equipment Quality Assurance

Quality Assurance in Nuclear Medicine

Filters

Two common quality control tests that should be performed on grids are grid _ and grid _ tests.