Exam 28: Computed Tomography

The new development in the fourth generation CT scanner is the _____.

The first generation of computed tomography used _____ detector(s).

CT imaging has excellent _____ because of the narrow beam collimation.

The third generation of CT scanners allowed for further reduction in _____.

The second-generation CT scanners had the disadvantage of increased _____.

CT scanners operate on _____ voltage generation.

The cross-sectional anatomy is translated into _____ during CT reconstruction.

Each sweep of the source-detector around the body during CT is called a _____.

The time from the end of CT imaging to image appearance is called the _____ time.

The concentration of scintillation detectors affects the _____ of the CT image.

Many CT x-ray tubes have the capacity for millions of _____ with each exam.

The _____ generation of CT scanners was the first to have the fan beam transect the entire patient at all times.

Each pixel of information in the CT image contains numerical information in _____ units.

Each CT projection records variations in _____.

Image noise in CT scanning depends on _____.

The principal drawback of the first-generation CT scanner was the _____.

The patient dose in CT is determined by the _____ collimator.

What is the principal disadvantage of third generation CT scanners?

A high variation in pixel values in a homogenous phantom is a measure of _____.

Each CT projection is _____.