Author Question: Positron emission tomography (PET) scans were made possible by the development of a. the gamma ... (Read 100 times)

piesebel · **on:** Jun 22, 2018

Positron emission tomography (PET) scans were made possible by the development of

a. the gamma camera.
b. X-rays.
c. powerful magnets.
d. histology techniques.

Question 2

Modern computerized tomography (CT) images differ from earlier versions in that they

a. no longer use X-rays.
b. are safer for the participant as well as the X-ray technician.
c. can be used to construct three-dimensional images.
d. can be used to measure activity in a structure.