19 Questions
What is the main disadvantage of lossee compression in diagnostic imaging?
It can cause loss of important diagnostic information
Which of the following is NOT a characteristic of telemedicine?
Health-related education
Which component of telemedicine is concerned with the remote diagnosis and treatment of patients?
Telediagnosis
Which of the following is the main advantage of digital radiography over traditional film-based radiography?
Images can be viewed and analyzed in real-time
What is the minimum number of pixels in an image with a matrix size of 520 x 520?
270,400
Which of the following statements is true about the relationship between bit depth and grayscale shades in digital imaging?
A larger bit depth results in more grayscale shades
What is the maximum number of grayscale shades that can be displayed by a 16-bit pixel depth?
65,536
Which of the following best describes the role of telemedicine in reducing patient wait times?
Telemedicine allows for remote patient monitoring, which can reduce the need for in-person visits
Which of the following is a potential challenge associated with implementing telemedicine in rural areas?
Limited access to high-speed internet
Telemedicine is a subset of telehealth that focuses exclusively on health-related education and public health research.
False
Increasing the bit depth of an image will always result in a loss of image quality.
False
Telemedicine can decrease patient travel time in addition to decreasing patient wait time.
True
An image with a matrix size of 520 x 520 has exactly 270,400 individual pixels.
True
A 16-bit pixel depth can display a maximum of 65,536 shades of gray.
True
Telemedicine has no impact on the quality of medical care provided to patients, regardless of distance.
False
A higher bit depth always results in more storage space being required for an image.
True
The main disadvantage of lossy compression in diagnostic imaging is that it always results in an unacceptable loss of image quality.
False
An image with a smaller matrix size always has fewer total pixels than an image with a larger matrix size.
True
Digital radiography is a form of telehealth that utilizes computers, the internet, and other communication technologies for medical imaging.
False
Learn about Data Acquisition System (DAS) in digital radiography, including its functions and components. Understand how DAS samples detectors, performs logarithmic conversions, and converts measurements into digital images.
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