Radiation Therapy should be delivered if WBCs are below this number
What is 2000mm3
This is the minimum dose required for a radiation-induced cataracts
What is 200 cGy
This set-up technique places isocenter within the body
What is SAD
This structure amplifies the microwave power that is used to accelerate electrons in a linear accelerator
What is the klystron
This is the percent weight loss if a person normally weighs 150 and today they weigh 143
What is 5%
When working with a patient who has a urinary catheter, it is important to keep the catheter in this location
Below the level of the bladder
This is the minimum dose required for female sterility
What is 625 cGy
The x-ray tube target of the rotating anode is made up of this type of alloy
What is Tungsten
This is the point where PDD is 100%
What is Dmax
This is the patient’s depth from the AP if the SAD = 100 cm and the SSD = 87.4 cm?
What is 12.6cm
When assisting a patient from a wheelchair to the treatment table this is where the patient should place their arms
Where is on your shoulders
This is the minimum dose required for male sterility
What is 500 cGy
In 4D CT, this is the fourth dimension
What is motion
This is the depth of Dmax for a 6MV beam
What is 1.5cm
This is the gap on a patient's skin when the patient is treated to a depth of 6 cm at 100 SSD. The length of field 1 is 4 cm and the length of field 2 is 8 cm
What is 0.36cm
This type of medication is used to prevent nausea and vomiting
What are antiemetics
This TNM staging term refers to a diagnosis with no nodal involvement
What is NX
The bifurcation of the trachea is located at this anatomical level
What is T4-T5
This structure enters the path of the beam when treating with electrons
What is the scattering foil
This is the daily dose prescribed to the Rt Lat field if the RT/LT plan is weighted 1:2 and the total dose prescribed is 500 cGy
What is 166 cGy
These are the seven rights of drug administration
What are right person, medication, dose, time, route, reason, and documentation
These cells kill tumor cells
What are T Cells
This volume of interest will contain the tumor and subclinical disease
What is the CTV
This is the ratio of the absorbed dose at a given depth in a phantom to the absorbed dose at the same point at a reference depth in a phantom
What is TPR
This is the total number of elapsed days if the patient started treatment on Tuesday, October 29 and finished treatment on Monday, November 25
What is 27