Podcast
Questions and Answers
Which of the following statements regarding the Bucky grid is correct?
Which of the following statements regarding the Bucky grid is correct?
- It increases the amount of primary radiation.
- It has no impact on scatter radiation.
- It reduces scatter radiation reaching the image receptor. (correct)
- It increases scatter radiation reaching the image receptor.
Approximately what percentage of the kinetic energy of electrons is converted to x-rays when they strike the target?
Approximately what percentage of the kinetic energy of electrons is converted to x-rays when they strike the target?
- 25%
- 99%
- 1% (correct)
- 50%
Which of the following is an example of involuntary motion that can affect radiographic image quality?
Which of the following is an example of involuntary motion that can affect radiographic image quality?
- Reaching
- Breathing (correct)
- Walking
- Speaking
Which of the following components are essential for x-ray production?
Which of the following components are essential for x-ray production?
What information does the Exposure Index (EI) provide in digital radiography?
What information does the Exposure Index (EI) provide in digital radiography?
Which of the following are characteristics of Bremsstrahlung radiation?
Which of the following are characteristics of Bremsstrahlung radiation?
What image quality factor is defined by the sharpness and structural detail recorded in a radiographic image?
What image quality factor is defined by the sharpness and structural detail recorded in a radiographic image?
Which type of radiation contributes to the overall exposure but does not carry any useful information for the resulting image?
Which type of radiation contributes to the overall exposure but does not carry any useful information for the resulting image?
In computed radiography (CR) systems, where is the photostimulable phosphor (PSP) plate housed?
In computed radiography (CR) systems, where is the photostimulable phosphor (PSP) plate housed?
Characteristic radiation is produced during x-ray production when:
Characteristic radiation is produced during x-ray production when:
What happens to radiation that is described as 'absorbed'?
What happens to radiation that is described as 'absorbed'?
Which of the following methods are used to control scatter radiation?
Which of the following methods are used to control scatter radiation?
How do you calculate the energy of characteristic x-ray photon?
How do you calculate the energy of characteristic x-ray photon?
What is the purpose of the PSP Plate Reader?
What is the purpose of the PSP Plate Reader?
In x-ray production, the process where an incoming electron interacts with the nucleus of a target atom resulting in the production of an x-ray photon is known as:
In x-ray production, the process where an incoming electron interacts with the nucleus of a target atom resulting in the production of an x-ray photon is known as:
True or False: The device used to reduce the amount of scatter radiation reaching the image receptor bucky.
True or False: The device used to reduce the amount of scatter radiation reaching the image receptor bucky.
When electrons strike the target _____percentage of x-rays is produced
When electrons strike the target _____percentage of x-rays is produced
True or False: Breathing is a form of involuntary motion.
True or False: Breathing is a form of involuntary motion.
Which of the following are required for x-ray production?
Which of the following are required for x-ray production?
What is the purpose of the Exposure Index (EI) in radiographic imaging?
What is the purpose of the Exposure Index (EI) in radiographic imaging?
Bremsstrahlung radiation is ______________ and ____________.
Bremsstrahlung radiation is ______________ and ____________.
The recorded sharpness or detail of structures on the image is the _________.
The recorded sharpness or detail of structures on the image is the _________.
_______ radiation is radiation leaving the patient that does not carry useful information.
_______ radiation is radiation leaving the patient that does not carry useful information.
The PSP is housed in the ________
The PSP is housed in the ________
In x-ray production, the interaction between orbital electrons will produce ____________ radiation.
In x-ray production, the interaction between orbital electrons will produce ____________ radiation.
What type of radiation is absorbed by the object (patient)?
What type of radiation is absorbed by the object (patient)?
Which primary beam modification methods are used to control scatter? (Select all that apply)
Which primary beam modification methods are used to control scatter? (Select all that apply)
Characteristic x-ray photon emitted has energy equal to:
Characteristic x-ray photon emitted has energy equal to:
What is the purpose of the PSP Plate Reader? (Select all that apply)
What is the purpose of the PSP Plate Reader? (Select all that apply)
Match the following agencies that monitor healthcare:
Match the following agencies that monitor healthcare:
True or False: The density difference between two adjacent areas of a radiograph or how the densities of two adjacent areas differ is called brightness.
True or False: The density difference between two adjacent areas of a radiograph or how the densities of two adjacent areas differ is called brightness.
What are the 3 types of Digital Imaging detectors? (Select the correct combination)
1. CR
2. DR direct
3. PSP
4. DR - indirect
What are the 3 types of Digital Imaging detectors? (Select the correct combination) 1. CR 2. DR direct 3. PSP 4. DR - indirect
In Indirect Capture radiography, which component is responsible for converting x-rays into light?
In Indirect Capture radiography, which component is responsible for converting x-rays into light?
Match the following terms related to radiography with their definitions:
Match the following terms related to radiography with their definitions:
When electrons strike the target, what percentage of heat is produced?
When electrons strike the target, what percentage of heat is produced?
True or False: Materials that easily transmit radiation are radiopaque.
True or False: Materials that easily transmit radiation are radiopaque.
What does the equation mA x time equal?
What does the equation mA x time equal?
Random background information, due to the constant flow of current in the circuit that does not contribute to image quality is called _____
Random background information, due to the constant flow of current in the circuit that does not contribute to image quality is called _____
The governance of a hospital begins with______.
The governance of a hospital begins with______.
True or False: A one cell count in the matrix is called a pixel.
True or False: A one cell count in the matrix is called a pixel.
True or False: Heartbeat is a form of involuntary motion.
True or False: Heartbeat is a form of involuntary motion.
What is the primary mission of the Radiologic Technology program?
What is the primary mission of the Radiologic Technology program?
Match the following roles and terms related to radiology with their descriptions:
Match the following roles and terms related to radiology with their descriptions:
Any misrepresentation of the true size or shape of the patient’s anatomy as demonstrated on the radiographic image is called:
Any misrepresentation of the true size or shape of the patient’s anatomy as demonstrated on the radiographic image is called:
In x-ray production the interaction with the nucleus will produce ____________ radiation.
In x-ray production the interaction with the nucleus will produce ____________ radiation.
True or False: Materials that x-rays do not pass through easily are radiolucent.
True or False: Materials that x-rays do not pass through easily are radiolucent.
What are the two types of Flat Panel Digital Imaging?
1. CR
2. direct capture
3. PSP
4. indirect capture
What are the two types of Flat Panel Digital Imaging? 1. CR 2. direct capture 3. PSP 4. indirect capture
True or False: The number of pixels arranged in rows and columns is known as a matrix.
True or False: The number of pixels arranged in rows and columns is known as a matrix.
_____ radiation is radiation leaving the patient to strike the IR.
_____ radiation is radiation leaving the patient to strike the IR.
Which agency is responsible for identifying or removing hazardous or contaminated material, adverse events, and medical errors?
Which agency is responsible for identifying or removing hazardous or contaminated material, adverse events, and medical errors?
Flashcards
What is a Bucky?
What is a Bucky?
Device used to reduce scatter radiation reaching the image receptor.
What is Exposure Index (EI)?
What is Exposure Index (EI)?
A numeric value indicating the amount of radiation exposure to the image receptor.
What is Bremsstrahlung radiation?
What is Bremsstrahlung radiation?
Radiation produced when projectile electron interacts with the nucleus of a target atom.
What is Spatial resolution?
What is Spatial resolution?
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What is scatter radiation?
What is scatter radiation?
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What is characteristic radiation?
What is characteristic radiation?
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What is Absorbed Radiation?
What is Absorbed Radiation?
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What is collimation/grid?
What is collimation/grid?
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What is characteristic X-ray photon?
What is characteristic X-ray photon?
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What is a PSP plate reader?
What is a PSP plate reader?
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What is distortion?
What is distortion?
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What is Bremsstrahlung radiation?
What is Bremsstrahlung radiation?
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What is radiopaque?
What is radiopaque?
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What is matrix?
What is matrix?
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What is remnant radiation?
What is remnant radiation?
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Study Notes
- A bucky is a device used to reduce the amount of scatter radiation reaching the image receptor.
- When electrons strike the target, 1% of x-rays is produced.
- Breathing is a form of involuntary motion.
- The following are required for x-ray production:
- Vacuum (Tube housing)
- Filament (Source of electrons)
- Voltage (Fast acceleration of electrons)
- Target (Stop of electrons)
- The Exposure Index (EI) in radiographic imaging is a numeric representation of total x-ray exposure to the receptor.
- Bremsstrahlung radiation is heterogeneous and polyenergetic.
- The recorded sharpness or detail of structures on the image is spatial resolution.
- Scatter radiation is radiation leaving the patient that does not carry useful information.
- The PSP is housed in the Image plate (IP).
- In x-ray production the interaction between orbital electrons will produce characteristic radiation.
- Absorbed radiation is radiation absorbed by the object (patient).
- Collimation and Grid are primary beam modification methods used to control scatter.
- Characteristic x-ray photon emitted with an energy equal to the difference of the two shells' binding energies.
- The purpose of the PSP Plate Reader:
- opens IP and removes the PSP
- reads the PSP
- erases the PSP
- Healthcare monitoring agencies:
- Nuclear Regulatory Commission (NRC) is a federal regulatory agency.
- Occupational Safety and Health Administration (OSHA) is a federal regulatory agency.
- Food and Drug Administration (FDA) is a federal regulatory agency.
- The Joint Commission (TJC) is a private external agency.
- American College of Radiology (ACR) is a private external agency.
- Radiation Safety Committee is an internal regulator
- Safety Committee is an internal regulator.
- Risk Management/Corporate Compliance is an internal regulator.
- The density difference between two adjacent areas of a radiograph or how the densities of two adjacent areas differ is NOT called brightness.
- The 3 types of Digital Imaging detectors are:
- CR
- DR direct
- DR - indirect
- In Indirect Capture radiography, scintillator is the component responsible for converting x-rays into light.
- Magnification (An increase in shape size ) is also called size distortion
- Shape distortion misrepresents the true shape of the patient's anatomy
- Deliberate distortion deals with superimposed structures
- OID Distance between patient and image receptor
- SID is the distance between the point of x-ray emission in the x-ray tube and the image receptor
- When electrons strike the target 99% percentage of heat is produced.
- Materials that easily transmit radiation are NOT radiopaque.
- mA x time = mAs
- Random background information, due to constant flow of current in the circuit that does not contribute to image quality is called noise.
- The governance of a hospital begins with the board of directors.
- A one cell count in the matrix is called a pixel.
- Heartbeat is a form of involuntary motion.
- The primary mission of the Radiologic Technology program prepare competent, entry-level radiographers to serve public healthcare needs.
- Administrative Director of Radiology requires strong business management skills
- Medical Director's principle responsibility is for overseeing the quality of patient care
- MQSA is a mammography quality assurance program
- Any misrepresentation of the true size or shape of the patient's anatomy as demonstrated on the radiographic image is called Distortion
- In x-ray production, the interaction with the nucleus will produce Bremsstrahlung radiation.
- Materials that x-rays do not pass through easily are NOT radiolucent.
- Number of pixels arranged in rows and columns is known as matrix.
- The two types of Flat Panel Digital Imaging are:
- direct capture
- indirect capture
- Remnant radiation is radiation leaving the patient to strike the IR.
- The agency responsible to identify or remove hazardous or contaminated material, adverse events and medical errors is the Safety committee.
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