Digital Imaging And Ultrasound Quiz

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  • 1/10 Questions

    Ultrasound Imaging, which involves exposing part of the body to high-frequency sound waves to produce pictures of the inside of the body, is also known as what?

    • Intonography
    • Resonography
    • Sonography
    • Harmonography
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About This Quiz

Quiz based around Ultrasound Imaging devices, their components, and uses.

Digital Imaging And Ultrasound Quiz - Quiz

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  • 2. 

    The small hand-held device that resembles a microphone, attached to the scanner by a cord, that sends out high frequency sound waves into the body and then listens for the returning echoes from the tissues in the body is called a Transducer.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A transducer is a small hand-held device that sends out high frequency sound waves into the body and listens for the returning echoes from the tissues. It is attached to the scanner by a cord. This device is commonly used in medical imaging techniques such as ultrasound to create images of the internal structures of the body. Therefore, the statement "The small hand-held device that resembles a microphone, attached to the scanner by a cord, that sends out high frequency sound waves into the body and then listens for the returning echoes from the tissues in the body is called a Transducer" is true.

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  • 3. 

    Ultrasound exams are captured in real-time, using ionizing radiation to show the structure and movement of the patient's internal organs.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Ultrasound does not use ionizing radiation, it uses sound waves.

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  • 4. 

    After the sinking of the Titanic, Paul Langevin invented the hydrophone to detect icebergs. It was a device that was able to send and then receive low frequency sound waves. This was a early version of an ultrasound component called the ________.

    Correct Answer
    transducer
    Explanation
    The hydrophone invented by Paul Langevin after the sinking of the Titanic was an early version of an ultrasound component called a transducer. A transducer is a device that is able to convert one form of energy into another, in this case, converting sound waves into electrical signals. In the context of ultrasound, a transducer is used to emit and receive sound waves to create images of internal structures in the body.

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  • 5. 

    Typical diagnostic sonographic scanners operate in the frequency range of 1 to 18.....?

    • Hertz

    • Kilohertz

    • Megahertz

    • None of the above

    Correct Answer
    A. Megahertz
    Explanation
    Diagnostic sonographic scanners typically operate in the frequency range of megahertz. This frequency range allows for better resolution and imaging of internal structures in the body. Lower frequencies like hertz and kilohertz do not provide enough detail, while higher frequencies like gigahertz are absorbed by the body and do not penetrate deep enough. Therefore, megahertz is the most suitable frequency range for diagnostic sonographic scanners.

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  • 6. 

    A technique for producing higher-quality, and more easy-to-diagnose images, which is available on some ultrasound equipment is called: Speckle Reduction

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Speckle reduction is a technique that is available on some ultrasound equipment to produce higher-quality and more easy-to-diagnose images. This technique helps to reduce the interference pattern known as speckle, which can make ultrasound images appear grainy and difficult to interpret. By reducing speckle, the images become clearer and provide better visualization of the structures being examined, ultimately aiding in more accurate diagnoses. Therefore, the statement "True" is correct as speckle reduction is indeed a technique available on some ultrasound equipment.

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  • 7. 

    Ultrasound is especially useful for penetrating the outer surface of bony structures and visualizing the internal structures of what lies within.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Ultrasound is not especially useful for penetrating the outer surface of bony structures. Instead, it is better suited for visualizing soft tissues, such as organs and muscles, which have different densities than bone. X-rays or CT scans are typically used to visualize bony structures. Therefore, the statement is false.

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  • 8. 

    What is another word for the ultrasound term Anechoic, which means "echo free"?

    • Echogenic

    • Isoechoic

    • Sonolucent

    • Homogeneous

    Correct Answer
    A. Sonolucent
    Explanation
    Sonolucent is another word for the ultrasound term Anechoic, which means "echo free". Anechoic refers to an area or structure in an ultrasound image that does not produce any echoes, appearing black on the image. Similarly, sonolucent refers to a region or object that allows ultrasound waves to pass through without producing echoes. Therefore, sonolucent is a synonym for anechoic in the context of ultrasound imaging.

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  • 9. 

    Certain ultrasound machines are capable of Doppler Ultrasound, a special ultrasound technique that evaluates blood flow through a blood vessel, including the patient's major arteries and veins. Which of the following is NOT a type of Doppler Ultrasound?

    • Color Doppler

    • Phase Doppler

    • Power Doppler

    • Spectral Doppler

    Correct Answer
    A. Phase Doppler
    Explanation
    The question asks for the type of Doppler Ultrasound that is NOT a type of Doppler Ultrasound. The correct answer is "Phase Doppler." Phase Doppler is not a type of Doppler Ultrasound. Doppler Ultrasound includes Color Doppler, Power Doppler, and Spectral Doppler, which are all techniques used to evaluate blood flow through blood vessels.

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  • 10. 

    Though he was not the first person to use sonography for medical purposes, who is generally known as the father of medical ultrasound?

    • John Wild

    • George Ludwig

    • Ralph Joseph Holmes

    • Geoff Stevenson

    Correct Answer
    A. John Wild
    Explanation
    John Wild is generally known as the father of medical ultrasound. Although he was not the first person to use sonography for medical purposes, he made significant contributions to the field and played a crucial role in its development. His work in the 1950s and 1960s helped establish ultrasound as a valuable diagnostic tool in medicine.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 17, 2011
    Quiz Created by
    Vetxray
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