Which of the following is true about an isocenter?
I.It is a single point in space.
II.The gantry rotates around the isocenter.
III.The axis of gantry rotation,collimator rotation,and treatment couch rotation meet.
IV.Lasers are aligned at the isocenter.
A) I and II
B) II and III
C) III and IV
D) I,II,III,and IV
Correct Answer:
Verified
Q8: Which of the following represents the path
Q9: Conventional simulators are designed to simulate the
Q10: Positioning lasers are located: I.side (lateral)
II.overhead
III.sagittal
IV.coronal
A) I
Q11: A light field radiation field coincidence test
Q12: _ takes into consideration how much a
Q14: When determining the shielding requirements for a
Q15: One 50-keV photon at the input screen
Q16: The conventional simulator can define treatment fields
Q17: Digital fluoroscopy is similar to conventional fluoroscopy;
Q18: Most patient support assemblies can support approximately
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