Which method of interpolation is the perferred method?

The compression of an image with out any loss of information when the image is decompressed is called________________.

Health Level seven (HL7) is an organization that works to develop____________________. 

Match the following cell components to their respective function

What is the CT number (Hu- Hounsfield unit) assigned to muscle?

____________________ helps to restrict the shape of the x-ray beam, remove low enery x-ray energies, reduce scatter radiation and reduces patient dose. 

Ring Artifact.jpg What two type of artifacts are demonstrated in the image above?

beam hardening.JPG What type of CT artifact is caused by the reduction of the x-ray beam energy as it passes through very dense anatomical structures?

To better quantify the beam attenuation of a given object, attenuation measurements are expressed in what unit?

abdomen window settings.png  Why is the window level set at level of 40 Hounsfield units (HU) to view an abdomen CT?