What is #7 and 10/11? #7 looks like a book but it's near both that and the bookshelf so i'm really confused right now.

Which type of irb review does not require an irb approval but does require a determination by the irb or an irb designee?

What is the potential danger from an accident at a nuclear power plant? a) fire and large scale explosions b) exposure to radiation c) meltdown of the plant and surrounding community d) entire cities could be wiped out

What would be the mass of an atom with 8 protons and 8 neutrons? a) 16 amu b) 8 amu c) 64 amu