-
What is the most common thickness of cerrobend for MV treatments?
7.5cm
-
What is the denisity for the lungs?
-200
-
What is denisity for air?
-1000
-
What is the best treatment fields for a kidney?
AP/PA
-
How many mSv are allowed for a non-occupational worker with frequent exposure?
1 mSv
-
What is the most life threatening form of malnutrition?
marasmus
-
What lymph nodes are covered in a mantle field
submandibular, occipital, cervical, supraclavicular, infraclavicular, axillary, hilar, mediastinal
-
What are the common chemo drugs used in hodkins disease?
ADrimycin, bleomicin, vinblastine & Dacarbazine
-
What is the most common symptom of hypopharynx cancer?
Dysphagia & painful neck nodes
-
Most common symptom of larynx cancer?
Hoarseness & Stridor
-
If you use contrast that is not diluted, what can it cause?
patient side effects & artifacts
-
What is a precursor of colon cancer?
polyps
-
What are common factors of nasopharyngeal cancer?
Epstein barr virus; alcohol
-
You are treating a prostate. The machine isocenter is 1cm below the lasers. What happens?
Complete miss of the prostate
-
Describe the coronal image
from the front (or back)
-
Describe the sagittal view?
from the side either right or left
-
Describe the axial view?
from the top (or bottom)
-
What do you monitor through your visual system? (k-type)
A) Anesthesia monitoring equipment
B) Wedge direction
C) Patient orientation
A & C anesthesia monitoring equipment & patient orientation. Because you really can't see the wedge direction.
-
What is it called when a person undergoes chemo & radiation at the same time?
concurrent therapy
-
The ratio that compares the effects of radiation in oxygenated tissue to hypoxic tissue is the ________________
OER (oxygen Enhancement Ratio)
-
Know the Oxygen Enhancement Ratio (OER)
The ratio compares the effects of radiation in oxygenated tissue to hypoxic tissue
-
What things need to be considered when making an immobilization device for a CT sim (pick 4 out of 8)
bore size, material immobilization device is made of, patient orientation **cant remember the others
-
know the law of Bergonie & Tribondeau
- states that ionizing radiation is more effective against cells that are
- 1) are actively mitotic
- 2) are undifferentiated and
- 3) have a long mitotic future
- Therefore, cells dividing more often are radiosensitive
-
The ____________________ states that cells dividing more often are more radiosenstive.
Law of Bergonie & Tribondeau
-
What kind of isolation does an immunosuppressed person need?
reversed isolation
|
|
