When a patient moves during a ct, what does it cause?
Blurring and artifact and missed registration
What is a BUN test?
It measures the amount of nitrogen in your blood
What is the most common fungal infection seen in patients?
What is the most common symptom for pituitary tumors?
What do you do if you realize the therapist from yesterday didn't fill in the chart?
A) fill it in for them
B) find the therapist who treated yesterday to fill it in
B) find the therapist from yesterday to fill it in
What would reduce exposure the most?
A) double the distance
B) 5 HVL's
C) decrease the beam by 50%
What is the main reason an IV bag must remain above the injection site?
back flow of fluids
Which is the SI unit that represents absorbed dose:
Know how to calculate the 80% and 90 isodose line for electrons
- 80%= divide electron energy by 3
- 90%= divide electron energy by 4
Which of the following would you do interstitial brachytherapy on?
What would cause another malignancy?
chemo & radiation
If you see a patient slumped over in a chair, what do you do first?
check for alertness
What does an isotope have the same number as?
know table 14.2 on page 282
If the light field doesn't coincide with the treatment field, what could be the problem
The angle of the mirror could be off
What are you treating with a hockey stick field?
If a patient has loose skin, what is the best way to ensure you are still treating at iso?
pre-treat port film
When treating the base of tongue, why is a bite block used?
It keeps the hard palate up and out of the way in order to spare more oral mucosa
What is the largest adult lymph tissue
How often do you check a patients prescription
daily before treatment
When using a breast board for positioning the optimal incline angle is influenced by?
The slope of the patients chest
The PAB Axillary Boost field is intended to irradiate ?
Level 3 axillary nodes
Where is the epiglottic valleculla?
Behind the root of the tongue between the folds of the throat
What organs drain to the internal iliacs?
vagina, cervix, prostate, bladder
What would cause a patient to die from infection BM- GI - CNS
GI Gastrointestional syndrome
What does a beta particle consist of?
Electron & positrons