Radiography Pacs

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  • 1/30 Questions

    PMT (Photomultiplier Tube) converts light into an Electrical signal

    • True
    • False
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Medical Imaging Quizzes & Trivia
About This Quiz

The Picture Archiving and Communication System (or PACS) is a medical imaging technology which is used for storing, retrieving, presenting and sharing images produced by X-rays, CT scans, MRIs and ultrasound machines. What do you know about it?

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  • 2. 

    DICOM- Digital Imaging Communications in Medicine

    • True

    • False

    Correct Answer
    A. True
    Explanation
    DICOM stands for Digital Imaging Communications in Medicine. It is a standard protocol used in the medical field to transmit, store, and share medical images and related information. DICOM ensures that medical images can be exchanged between different healthcare systems and devices, regardless of their manufacturer. Therefore, the statement "DICOM- Digital Imaging Communications in Medicine" being true is correct as it accurately reflects the acronym and its meaning in the medical field.

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  • 3. 

    Two types of Digital Imaging are Computed Radiography (CR) and Direct Digital Radiography (DDR)

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because Computed Radiography (CR) and Direct Digital Radiography (DDR) are indeed two types of digital imaging. Computed Radiography uses a cassette-based system to capture the X-ray image, which is then processed digitally. On the other hand, Direct Digital Radiography captures the X-ray image directly using a digital detector, eliminating the need for cassettes. Both CR and DDR offer advantages over traditional film-based radiography, such as faster image acquisition, improved image quality, and the ability to manipulate and store digital images.

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  • 4. 

    PACS stands for Picture Communication Archiving System that computers or networks dedicated to the storage, retrieval, transporting, displaying and printing of medical images throughout an organization

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because PACS (Picture Communication Archiving System) is indeed a system used for storing, retrieving, transporting, displaying, and printing medical images within an organization. It is a computer-based system that allows healthcare professionals to access and share medical images easily, improving efficiency and collaboration in healthcare settings.

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  • 5. 

    Recorded Detail is the ability to see small areas of anatomy

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Recorded detail refers to the level of clarity and sharpness in an image. In the context of medical imaging, it refers to the ability to visualize small areas of anatomy with high precision and accuracy. Therefore, the statement "Recorded Detail is the ability to see small areas of anatomy" is true. It implies that a high level of recorded detail allows for better visualization and examination of small anatomical structures.

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  • 6. 

    What are the layers of an imaging plate? SAP

    • Supportive Layer

    • Active Layer of Photostimuable Phosphor

    • Protective Layer

    Correct Answer(s)
    A. Supportive Layer
    A. Active Layer of Photostimuable Phosphor
    A. Protective Layer
    Explanation
    The layers of an imaging plate are the supportive layer, active layer of photostimulable phosphor, and protective layer. The supportive layer provides structural support to the plate, while the active layer of photostimulable phosphor is responsible for capturing and storing the image information. The protective layer helps to shield the plate from damage and contamination.

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  • 7. 

    Colossus was designed to crack German military codes and was the first fully operational working computer.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because Colossus was indeed designed to crack German military codes during World War II. It was developed by British codebreakers at Bletchley Park and was the world's first programmable electronic digital computer. Colossus played a significant role in decrypting the German Enigma machine's messages, contributing to the Allied victory in the war.

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  • 8. 

    Imaging plates are erased by a high intensity light (fluorescent)

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Imaging plates are indeed erased by a high intensity light, specifically a fluorescent light. This process involves exposing the imaging plate to the light, which causes the trapped electrons to be released and the plate to be reset. This erasing step is necessary before reusing the imaging plate for further imaging or data collection.

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  • 9. 

    What are the (3) main componenets of CR?

    • Imaging Plates

    • ADC Processor

    • Technologist Workstation

    Correct Answer(s)
    A. Imaging Plates
    A. ADC Processor
    A. Technologist Workstation
    Explanation
    The three main components of CR (Computed Radiography) are Imaging Plates, ADC (Analog-to-Digital Converter) Processor, and Technologist Workstation. Imaging Plates are used to capture the x-ray images, which are then processed by the ADC Processor to convert the analog signals into digital data. The Technologist Workstation is where the digital images are viewed, manipulated, and analyzed by the radiology technologist. These three components work together to facilitate the process of capturing, processing, and analyzing x-ray images in CR technology.

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  • 10. 

    The first Digital Radiography used was in the 1980s by Fuji.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the first digital radiography was indeed used in the 1980s by Fuji. This technology revolutionized the field of radiography by replacing traditional film-based imaging with digital sensors and computers. Digital radiography allows for faster image acquisition, immediate viewing of images, and easier storage and sharing of patient data. Fuji was one of the pioneers in developing and commercializing this technology, making it widely available in the 1980s.

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  • 11. 

    What are the main components of PACS?

    • Digital

    • Memory

    • Network

    Correct Answer(s)
    A. Digital
    A. Memory
    A. Network
    Explanation
    The main components of PACS (Picture Archiving and Communication System) are digital, memory, and network. Digital refers to the use of digital technology to capture and store medical images. Memory refers to the storage capacity required to store a large number of images. Network refers to the connectivity and infrastructure needed to transmit and access images from various locations within a healthcare facility or across different healthcare institutions. These components work together to enable efficient and secure storage, retrieval, and sharing of medical images for diagnosis and treatment purposes.

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  • 12. 

    What are advantages of Dr over CR and film screen images?

    • NO cassettes

    • Quicker Processing Time (5-7 secs)

    • Dose Reduction

    • Manipulate Image better

    • Less Retakes

    • Image could be put on CD or high Quality Paper

    Correct Answer(s)
    A. NO cassettes
    A. Quicker Processing Time (5-7 secs)
    A. Dose Reduction
    A. Manipulate Image better
    A. Less Retakes
    A. Image could be put on CD or high Quality Paper
    Explanation
    The advantages of digital radiography (DR) over computed radiography (CR) and film screen images include the absence of cassettes, which eliminates the need for physical storage and retrieval. DR also offers quicker processing time, typically taking only 5-7 seconds to produce an image. Additionally, DR allows for dose reduction, as the technology requires less radiation exposure compared to CR and film screen images. DR images can be manipulated digitally to enhance image quality, reducing the need for retakes. Furthermore, DR images can be easily stored on a CD or printed on high-quality paper for documentation or sharing purposes.

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  • 13. 

    What are the advantages of CR?

    • Magnify images without loss of Resolution

    • Change contrast and brightness

    • View images in separate locations

    • Images retrievable to teaching areas quickly

    • No lost images

    • Potential increase in speed of reporting

    Correct Answer(s)
    A. Magnify images without loss of Resolution
    A. Change contrast and brightness
    A. View images in separate locations
    A. Images retrievable to teaching areas quickly
    A. No lost images
    A. Potential increase in speed of reporting
    Explanation
    The advantages of CR include the ability to magnify images without losing resolution, change contrast and brightness, view images in separate locations, quickly retrieve images to teaching areas, ensure no lost images, and potentially increase the speed of reporting.

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  • 14. 

    Where is CR used?

    • ICU

    • ED

    • Trauma Center

    • High Volume Clinic

    • Portables

    Correct Answer(s)
    A. ICU
    A. ED
    A. Trauma Center
    A. High Volume Clinic
    A. Portables
    Explanation
    CR (Computed Radiography) is a medical imaging technique that uses a cassette-based system to capture and store X-ray images digitally. It is commonly used in various medical settings such as the ICU, ED (Emergency Department), Trauma Center, High Volume Clinic, and for portable X-ray imaging. These settings require quick and efficient imaging for diagnosing and monitoring patients, and CR provides a convenient and versatile solution for capturing and storing X-ray images digitally.

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  • 15. 

    Whos is the "Father of the Computer" and originated the concept of a programmable computer like "The Difference Engine" ?

    • Pascal

    • Hollerith

    • Charles Babbage

    • Germans

    Correct Answer
    A. Charles Babbage
    Explanation
    Charles Babbage is considered the "Father of the Computer" because he originated the concept of a programmable computer like "The Difference Engine." He was an English mathematician, engineer, and inventor who designed the Analytical Engine, a mechanical general-purpose computer. Although the Analytical Engine was never built during his lifetime, his work laid the foundation for modern computers. Babbage's contributions to computer science and technology make him a significant figure in the development of computers.

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  • 16. 

    What are the advantages of PACS with CR or DR?

    • Cost

    • Less repeats due to film loss

    • More time efficient

    • Radiologists viewing and diagnosis easier

    • Better turn around time for patient care

    Correct Answer(s)
    A. Cost
    A. Less repeats due to film loss
    A. More time efficient
    A. Radiologists viewing and diagnosis easier
    A. Better turn around time for patient care
    Explanation
    PACS with CR or DR (Computed Radiography or Digital Radiography) offers several advantages. Firstly, it reduces costs as there is no need for film and related expenses. Secondly, it minimizes repeats caused by film loss or damage. Thirdly, it is more time-efficient as images can be instantly accessed and shared electronically. Fourthly, it makes it easier for radiologists to view and diagnose the images, leading to improved accuracy. Lastly, it enhances the turnaround time for patient care, as images can be quickly analyzed and shared with other medical professionals.

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  • 17. 

    What produces the final signal?

    • Image Plate Reader

    • Amplification, Logarithmic conversion and Analog to digital conversion

    • Electrical Signal

    • None of the above

    Correct Answer
    A. Amplification, Logarithmic conversion and Analog to digital conversion
    Explanation
    The final signal is produced through a series of processes that include amplification, logarithmic conversion, and analog to digital conversion. Amplification increases the strength of the electrical signal, logarithmic conversion converts the signal into a logarithmic scale for better analysis, and analog to digital conversion converts the analog signal into a digital format that can be processed and analyzed by a computer or other digital devices.

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  • 18. 

    When was the first CT used?

    • 1960s

    • 1970s

    • 1980s

    • 1990s

    Correct Answer
    A. 1970s
    Explanation
    The first CT (computed tomography) was used in the 1970s. CT technology was developed by British engineer Godfrey Hounsfield and South African physicist Allan Cormack in the early 1970s, and the first CT scanner was installed in a hospital in the United Kingdom in 1972. CT revolutionized medical imaging by providing detailed cross-sectional images of the body, allowing for better diagnosis and treatment planning.

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  • 19. 

    Rare Earth Intensifying Screen:

    • Thorax, Abdomen, Pelvis, Skull, Facial Bones and Contrast Media exams

    • Faster Speed (400)

    • Less patient dose

    • DECREASED Recorded Detail

    Correct Answer(s)
    A. Thorax, Abdomen, Pelvis, Skull, Facial Bones and Contrast Media exams
    A. Faster Speed (400)
    A. Less patient dose
    A. DECREASED Recorded Detail
    Explanation
    The rare earth intensifying screen is used for various exams such as thorax, abdomen, pelvis, skull, facial bones, and contrast media. It offers a faster speed of 400, which means shorter exposure times for patients. This results in less radiation dose to the patient, making it a safer option. However, the trade-off is that the recorded detail is decreased, meaning the images may not be as sharp or detailed compared to other intensifying screens.

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  • 20. 

    Built the mechanical calulator:

    • Babbage

    • Blaise Pascal

    • Hollerith

    • Shockley

    Correct Answer
    A. Blaise Pascal
    Explanation
    Blaise Pascal is the correct answer because he is known for inventing the mechanical calculator. Pascal's calculator, also known as the Pascaline, was one of the earliest calculators that could perform addition and subtraction. It was a significant advancement in the field of mathematics and laid the foundation for the development of more advanced calculating machines in the future.

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  • 21. 

    Who developed the Transistor "Stored Program" ?

    • Pascal

    • Babbage

    • William Shockley

    • Hollerith

    Correct Answer
    A. William Shockley
    Explanation
    William Shockley is the correct answer because he was one of the co-inventors of the transistor, which revolutionized the field of electronics. The term "Stored Program" refers to the concept of storing instructions in a computer's memory, allowing for the execution of complex programs. However, Pascal, Babbage, and Hollerith were not directly involved in the development of the transistor or the concept of stored programs.

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  • 22. 

    Conventional Imaging: Cassettes which consist of (2) Intensifying Screen Speeds

    • Detail or Extremity Cassettes (Slow Speed)

    • Rare Earth Screen Cassettes (fast Speed)

    • TV Monitor

    Correct Answer(s)
    A. Detail or Extremity Cassettes (Slow Speed)
    A. Rare Earth Screen Cassettes (fast Speed)
    Explanation
    The answer states that conventional imaging uses cassettes with two different intensifying screen speeds. Detail or extremity cassettes have a slow speed, while rare earth screen cassettes have a fast speed. This suggests that different types of cassettes are used depending on the specific imaging needs. The slow speed cassettes are likely used for capturing detailed images or images of extremities, while the fast speed cassettes are used for capturing images quickly. The TV monitor is not directly related to the cassettes and may be used for viewing the images obtained from the cassettes.

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  • 23. 

    List examples of Digital Modalities:

    • CT

    • Sonography

    • Nuclear Med

    • MRI

    • Mammography

    • Radiography

    • Angiography

    Correct Answer(s)
    A. CT
    A. Sonography
    A. Nuclear Med
    A. MRI
    A. Mammography
    A. Radiography
    A. Angiography
    Explanation
    The given list includes various examples of digital modalities used in medical imaging. CT (Computed Tomography), Sonography (Ultrasound), Nuclear Med (Nuclear Medicine), MRI (Magnetic Resonance Imaging), Mammography, Radiography, and Angiography are all imaging techniques that utilize digital technology to capture and produce medical images. These modalities play a crucial role in diagnosing and monitoring various medical conditions and provide valuable information for healthcare professionals.

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  • 24. 

    What is used after exposure of the x-rays to get the altent image?

    • Cassette

    • Recorded Detail

    • Image Plate Reader

    • ADC

    Correct Answer
    A. Image Plate Reader
    Explanation
    The image plate reader is used after the exposure of the x-rays to obtain the latent image. This device is specifically designed to read and process the information stored in the image plate, which contains the latent image captured by the x-rays. The image plate reader scans the plate and converts the stored information into a visible image that can be viewed and analyzed by medical professionals.

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  • 25. 

    Where was the first Electronic computer, ENIAC, developed? (1946)

    • U of Penn St

    • FHCHS

    • Princeton

    • Harvard

    Correct Answer
    A. U of Penn St
    Explanation
    The first electronic computer, ENIAC, was developed at the University of Pennsylvania.

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  • 26. 

    What was the first universally known, commercially successful, general purpose stored-program electronic digital computer?

    • ENIAC

    • UNIVAC

    • "Stored Program"

    • Mechanical Calculator

    Correct Answer
    A. UNIVAC
    Explanation
    UNIVAC was the first commercially successful, general-purpose stored-program electronic digital computer. It was designed and built by J. Presper Eckert and John Mauchly in the 1950s. UNIVAC was able to store and manipulate instructions and data, making it a significant advancement in computer technology. It was widely recognized and used in various industries, including government, scientific research, and business. The development and success of UNIVAC paved the way for the modern computer era.

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  • 27. 

    When should you process IP's to avoid fading of latent image?

    • ASAP

    • Next day

    • Within 1 hour of exposure

    • When patient leaves

    Correct Answer
    A. Within 1 hour of exposure
    Explanation
    To avoid fading of latent image, IP's should be processed within 1 hour of exposure. This is because the latent image starts to fade over time, and processing the IP's within an hour ensures that the image is captured and preserved accurately. Processing the IP's ASAP or within a shorter time frame helps to minimize the risk of image degradation and ensures the best possible image quality for diagnosis and analysis.

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  • 28. 

    What does Digital Imaging require?

    • Hardware & Software applications to process images

    • Systematic application of highly complex mathematical formulas called Algorithms

    • Film

    Correct Answer(s)
    A. Hardware & Software applications to process images
    A. Systematic application of highly complex mathematical formulas called Algorithms
    Explanation
    Digital Imaging requires both hardware and software applications to process images. This includes devices such as cameras, scanners, and printers, as well as software programs like Adobe Photoshop or GIMP. Additionally, the systematic application of highly complex mathematical formulas called algorithms is necessary for tasks such as image enhancement, filtering, and compression. Algorithms help to manipulate and transform the digital data of an image to achieve desired results. Film, on the other hand, is not required for digital imaging as it is used in traditional photography.

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  • 29. 

    When should you put IP's through erasure cycle if not used?

    • As soon as exam has been completed

    • 1 week

    • 48 hours

    • 1 year

    Correct Answer
    A. 48 hours
    Explanation
    IP addresses should be put through an erasure cycle if not used within 48 hours. This is because unused IP addresses can pose security risks if they are left unattended for an extended period of time. By erasing them within 48 hours, the chances of unauthorized access or misuse of these addresses are minimized. Additionally, regularly cycling and reusing IP addresses can help optimize network resources and prevent IP address exhaustion.

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  • 30. 

    A Detail Intensifying screen:

    • Extremities

    • Slow Speed (100)

    • Excellent Recorded Detail

    • Patient Receives More Radiation (Not a Problem)

    Correct Answer(s)
    A. Extremities
    A. Slow Speed (100)
    A. Excellent Recorded Detail
    A. Patient Receives More Radiation (Not a Problem)
    Explanation
    The given answer suggests that a detail intensifying screen is used for extremities, such as hands or feet, where slow speed (100) film is used. This combination allows for excellent recorded detail in the images. Additionally, it mentions that the patient receiving more radiation is not a problem in this case.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 04, 2012
    Quiz Created by
    Justineobean

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