Lab Material: supertech

Question 1

positive correlation factor

Answer 1

means machine is under-producing xrays as compared to avg benchmark machine

Question 2

negative correlation factor

Answer 2

machine is over producing compared to avg benchmark machine

Question 3

spiderman/spiderweb artifact

Answer 3

due to cassette being placed upside down in bucky… back of cassette has plastic reinforcement that strengthens the cassett but if placed upside down, those struts visible on film as artifacts.. haha silly.