Digital Radiography & PACS Final Review: Ch's 7-13

The accuracy of collimation at a 72" SID must be 1.44" or about 2% of SID.

The HITECH act first addressed patient information security.

Whose responsibility is it to maintain the quality of digital images?

Navigation functions are used to move through images, series, studies, and patients.

A PACS consists of which of the following?

When the quality control test for exposure reporducibility is performed, successive exposures must be within 5%.

The appearance of digital images on a tech's monitor is usually better than on the radiologists' monitors.

The TG18-LPV/LPH test is used to evaluate

What device is used to measure the luminance of a monitor?

Which network communication medium has a single conductive wire surrounded by a rounded shield of braided wire?

An OS is the software that controls the computer hardware and acts as a bridge between applications and the hardware.

In a web-based system, images are sent directly from the modality to a display workstation for image interpretation.

How often does a physicist perform an accuracy test between the exposure indices and the ion chamber?

Equipment maintenance, image acquisition, & processing standards are QC issues that fit into the concept of TQM or CQI.

The USB is the most versatile type of port found on a computer.

Manual manipulation of the digital image after acquisition is referred to as postprocessing.

Which of the following is used to move medical images from the modality to the viewing/storage device?

Continous quality improvement (CQI) tends to focus on the people or service rather than the process.

Which of the following are network classifications based on geographic location?

When a quality control test for exposure linearity is performed, adjacent mA stations must be within ___ of each other.

What is the largest circuitry board inside the computer?

The highest quality monitors should be in/at the:

Digital right and left markers should always be used in place of physical markers to indicate the anatomic side imaged.

Which of the following is the use of knowledge to make sound, intelligent decisions?

A integrated system of images and information is called

In DR, spatial resolution is improved with increased

The distance from the center of a pixel to the center of the adjacent pixel is called

If the number of pixels increases on a monitor, the resolution will

On a server based network, each computer is considered equal.

What term is used to describe a layer of archive storage?

What does PACS stand for?

Which of the following represents observations or symbols of differences in nature?

RAM will retain stored information after the computer has been shut down.

Daily quality control testing is done by a medical physicist.

A square table of numbers that represents the intensity to be displayed on the monitor is a

Printer image quality is of no importance in a digital environment.

The test that meausres the accuracy of successive exposures is

Refresh rate controls

HL-7 standards are generally used in communication between the HIS and the RIS.

Which term describes information that can be justified as being correct or true?

Which organization accredits most hospitals in the United States?

What part of the archive contains the master database of everything contained within the archive?

The display workstation is the most interactive part of a PACS.

Which advanced image manipulation function will allow the technologist to join multiple images together as one?

Speed is always a concern in the radiology department.

A film digitizer will scan an analog x-ray film into PACS.

There are 8 bits in one byte.

When did the field of informatics start?

Cine mode allows the user to move through a series of images frame by frame.