In efforts to standardize exposure indicators in digital imaging, the American Association of Physicists in Medicine (AAPM) have made which of the following recommendations? Express the units in mrad Call the units KIND Make EIs uniform across all digital systems

What does the spiked portion or “tail” of a histogram represent?

Which of the following would be an acceptable use of annotations in digital imaging? To replace the use of technologists lead markers To indicate time intervals of a procedure To indicate the position of the patient

Which of the following exposure indicators is used by Siemens?

When reversing the blacks and whites in a digital image, it is known as:

What does the computer use to produce an “ideal” image output?

Which of the following statements is/are true in regards to frequency? Frequency is a measure of the total amount of contrast in an image A high frequency image will demonstrate high density A low frequency image will demonstrate low contrast

The following chest x-ray was taken on a patient in the emergency department. How will the positioning and collimation of the part affect the histogram analysis? chest x-ray 4.jpg

High-pass filtering is also known as:

Which post processing feature is demonstrated in the following digital images (viewing from left to right)? histogram equalization 3.jpg