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Name this artifact and the solution that was created to address it:

An imaging protocol that has employed a 64×64 image matrix is changed to use a 128×128 matrix. The total number of counts stays the same. What good result could come of this change? What bad result could come of this change?

Describe the use and purpose behind the use of the bar phantom.

What is the term for a grainy image that shows significant pixel-to-pixel statistical variability that is associated with digital imaging?

  Consider the following situation: I(0) = 0.35 mR/hr Al:  = 3.985 cm-1 for 140 keV What kind of a detector made this measurement? What radiation intensity will the detector register if the aluminum shield is 0 mm thick?

The purpose of the Spread-Out Bragg Peak is to treat the _______ and _______ ends of the tumor.

A standard of reference used to define a coordinate plane with the tumor target volumes is called:

Obtaining a CT scan during inhalation and another during exhalation is an approache for respiratory management called:

The purpose of using a bow-tie filter is to:

During a full-fan scanning mode, the gantry will rotate around the patient _______ degrees.