With digital imaging, which of the following will alter image brightness?
algorithm
histogram
window level
window width
window level
Rationale: Altering the window level will alter the image brightness as seen through the range of densities recorded.
You might also like to view...
Complete lesions of the cervical spinal cord interrupt
a. Descending motor pathways b. Ascending somatosensory pathways c. Suprasegmental control of the sympathetic and parasympathetic components of the ANS d. All of the above
What is the difference between a nephrologists and an urologist?
a. A nephrologists specializes in diagnosing and treating kidney conditions; the urologist specializes in diagnosing and treating conditions of the urinary tract and the male reproductive system. b. Nephrologists specialize in diagnosing and treating kidney conditions and the male reproductive system; urologists diagnose and treat conditions of the urinary tract. c. The terminology is different but there is no difference between these two specialties. d. Nephrologists treat nervous system conditions and Urologists treat urinary tract infections.
Before making an appointment for inclusion in a local sleep laboratory, John Doe decides to more effectively track his own sleep habits. The most efficient way to collect data for him would be the use of:
A. a Nike FuelBand. B. notations taken each time he wakes up. C. an observer throughout the night. D. a wearable device that would record his quality of sleep.
For a low back stretch, the client should lie on his back and do which of the following?
a. arch the back upward b. bend the knees and twist the trunk from side to side c. raise both legs straight up vertically d. flex one or both knees and bring them to the chest