Chapter 13 Real Time Imaging

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  • 1/7 Questions

    The ability to precisely position moving structures from instant to instant is known as?

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About This Quiz

This quiz in 'Chapter 13 Real Time Imaging' assesses knowledge on frame rate, temporal resolution, and their interrelations in ultrasound imaging. It evaluates understanding of how imaging depth and sound speed affect frame rate, crucial for precise positioning in medical diagnostics.

Chapter 13 Real Time Imaging - Quiz

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  • 2. 

    Temporal resolution is determined by the frame rate

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the temporal resolution refers to the ability to capture and display fast-moving objects or events without blurring. The frame rate, which is the number of frames displayed per second, directly affects the temporal resolution. A higher frame rate allows for smoother and more detailed motion, while a lower frame rate may result in motion blur or choppiness. Therefore, the frame rate determines the temporal resolution of a video or display.

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  • 3. 

    The ability of the system to create numerous frames each second is called:

    • Frame rate

    • Time frame

    • Temporal resoultion

    • Superior lateral resolution

    Correct Answer
    A. Frame rate
    Explanation
    The term "frame rate" refers to the ability of a system to generate a high number of frames per second. It is commonly used in the context of video or animation, where a higher frame rate results in smoother and more fluid motion. The other options, such as "time frame," "temporal resolution," and "superior lateral resolution," do not accurately describe the concept of creating numerous frames per second.

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  • 4. 

    Frame rate is determined by these two factors:
    1. sound's speed in the meduim
    2. the depth of imaging

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The frame rate is determined by the speed of sound in the medium and the depth of imaging. This means that the rate at which frames are captured and displayed in an imaging system is influenced by the speed of sound in the medium being imaged and the depth at which the imaging is being done. This statement is true as both factors play a role in determining the frame rate.

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  • 5. 

    The higher number of images, the better the temporal resolution and the fewer the images the lower the temporal resolution.Thus temporal resolution and frame rate are directly related

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that temporal resolution refers to the ability to capture and display a series of images over time. A higher number of images means that there is a shorter time interval between each image, resulting in a better temporal resolution. On the other hand, a lower number of images means that there is a longer time interval between each image, resulting in a lower temporal resolution. Therefore, temporal resolution and frame rate are directly related, making the statement "the higher number of images, the better the temporal resolution and the fewer the images the lower the temporal resolution" true.

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  • 6. 

    Frame rate has what kind of units?

    Correct Answer
    hertz
    Explanation
    The frame rate refers to the number of frames displayed per second in a video or animation. It measures the frequency at which frames are shown. Hertz is the unit of frequency, representing cycles per second. Therefore, it is the appropriate unit for measuring the frame rate, as it indicates the number of frames displayed in one second.

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  • 7. 

    What is the relationship between frame rate and the time required to make a single image?

    • Unrelated

    • Direct

    • Inverse

    Correct Answer
    A. Inverse
    Explanation
    The relationship between frame rate and the time required to make a single image is inverse. This means that as the frame rate increases, the time required to make a single image decreases, and vice versa. In other words, if the frame rate is high, each image is captured quickly, resulting in a shorter time to make a single image. On the other hand, if the frame rate is low, each image takes longer to capture, leading to a longer time to make a single image.

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  • Current Version
  • Feb 21, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 25, 2012
    Quiz Created by
    Colombian164l
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