What is formed when an emitted positron joins an electron?

The reconstruction method in which the comparison is made between the numerical projection data and the measured projection data in a feedback loop is called _______________..

Simplify.  A) B) C)

Records for personnel monitoring must be kept for __________.

__________ is a loop diuretic that prevents the body from absorbing too much salt, allowing the salt to instead be passed in your urine.  

__________ is considered the temperature control center of the body.

How are energy windows manipulated to correct for scatter?

With radiation effects, __________ means there is a probability of occurrence that has no threshold, increases with increasing doses to the individual, and does not increase with severity as a function of the dose.

Beta-amyloid uptake can be assessed through positron emission tomography (PET) using the radiopharmaceutical __________.

A patient had a barium swallow study with dense barium sulfate.  How long should you wait before administering oral contrast material?