Isotopes of the following elements are most common in PET imaging except for:

PET scan is more efficient for collecting gamma-ray photons in image formation compared with SPECT.

In SPECT,

In an isomeric transition, a nucleus releases energy by converting a proton into a neutron and emitting a positron.

A sample contains 9879432567 atoms.  If 60 atoms of the sample decay in 5 s, what is the radioactivity of the sample?   

BONUS: What was the “title” applied to the ruler of the Ottoman empire?  Who was the most decorated American veteran from WWI?  What killed more people in 1918-19 than WWI?  What was the name of the document created in 1917 that gave Great Britain primacy over Israel?  On which Italian island did the mafia originally start? 

What was the relationship between the British King, The German Kaiser and the Russia Tsar in WWI? 

The western European nations agreed to allow the Greeks and the Serbs to revolt to diminish the power of the Ottoman Empire in Southeastern Europe.

Of the political ideologies we discussed in class, which one became the most prominent ideology of the 19th and early 20th centuries and was a major cause of WWI and WWII?

Which of the following is NOT true of the Industrial Revolution period?