Practice Registry Exam 2
The interaction between an incident electron and a target electron in which the incident
electron is deflected and loses energy in a photon is called: - ANS-compton
Proton energy deposition in tissue is represented by: - ANS-bragg-peak
Orthogonal films are to be taken. If the first angle is 45 degrees, the second angle will
be: - ANS-135
At an acute whole body dose of 15 Gy, the patient will exhibit symptoms of the: -
ANS-GI Syndrome
The monthly equivalent dose limit for pregnant radiation workers should not exceed
____ per month. - ANS-0.5 mSv
In a Radiation Oncology department, the Safety Data Sheet (SDS) details information
about: - ANS-Materials contained in a therapy department and their safe use
Adriamycin has a synergistic effect with radiation on which organ? - ANS-heart
Which is the dominant factor in determining reactions in late responding normal tissue?
- ANS-fraction size
A patient is being treated on a 6MV treatment machine. The physician prescribes a
bolus to bring dmax to the skin. The thickness of the bolus should be: - ANS-1.5 cm
For an SAD field, the field size is measured at the: - ANS-treatment depth
A patient is being treated using an SAD technique to an isocenter depth of 7 cm. What
should the SSD be? - ANS-93 cm
Which of the following is an antimetabolite? - ANS-Gemcitabine
The pyriform sinus is located in the: - ANS-hypopharynx
Mycosis fungoides is classified as a: - ANS-T cell lymphoma
, A treatment plan requires no divergence into an adjacent field. In this case you would
use: - ANS-Half beam block
In the TNM staging system, Mx means that: - ANS-A metastatic work-up was not
completed
Pituitary adenomas are classified as: - ANS-functioning or nonfunctioning
Which of the following lymph nodes would be included in a mantle treatment for
Hodgkin Lymphoma? - ANS-
Dmax is dependent upon: - ANS-beam energy
The glabella is the region: - ANS-between the orbits
The most common brain tumor is: - ANS-Metastatic
D0 on a cell survival curve indicates: - ANS-the dose at which 37% of cells survive
The chemotherapy drugs derived from the periwinkle plant are the: - ANS-vinca
alkaloids
The precursor gene which function is to accelerate cell growth is called a: -
ANS-proto-oncogene
Contrast medium used for an MRI is: - ANS-gadolinium
The calibrated device that fits into the collimator and provides measurement information
for a port film is the: - ANS-gradicule
An individual exposed to a whole body dose of 400cGy would experience: -
ANS-hematopoietic symptoms
A patient presents for treatment with a platelet count of 59,000/mm3. What should you
do? - ANS-
The TD 5/5 for the liver when the whole organ is being treated is: - ANS-30 Gy
Tolerance dose is determined by all of the following factors except: - ANS-machine
energy
The interaction between an incident electron and a target electron in which the incident
electron is deflected and loses energy in a photon is called: - ANS-compton
Proton energy deposition in tissue is represented by: - ANS-bragg-peak
Orthogonal films are to be taken. If the first angle is 45 degrees, the second angle will
be: - ANS-135
At an acute whole body dose of 15 Gy, the patient will exhibit symptoms of the: -
ANS-GI Syndrome
The monthly equivalent dose limit for pregnant radiation workers should not exceed
____ per month. - ANS-0.5 mSv
In a Radiation Oncology department, the Safety Data Sheet (SDS) details information
about: - ANS-Materials contained in a therapy department and their safe use
Adriamycin has a synergistic effect with radiation on which organ? - ANS-heart
Which is the dominant factor in determining reactions in late responding normal tissue?
- ANS-fraction size
A patient is being treated on a 6MV treatment machine. The physician prescribes a
bolus to bring dmax to the skin. The thickness of the bolus should be: - ANS-1.5 cm
For an SAD field, the field size is measured at the: - ANS-treatment depth
A patient is being treated using an SAD technique to an isocenter depth of 7 cm. What
should the SSD be? - ANS-93 cm
Which of the following is an antimetabolite? - ANS-Gemcitabine
The pyriform sinus is located in the: - ANS-hypopharynx
Mycosis fungoides is classified as a: - ANS-T cell lymphoma
, A treatment plan requires no divergence into an adjacent field. In this case you would
use: - ANS-Half beam block
In the TNM staging system, Mx means that: - ANS-A metastatic work-up was not
completed
Pituitary adenomas are classified as: - ANS-functioning or nonfunctioning
Which of the following lymph nodes would be included in a mantle treatment for
Hodgkin Lymphoma? - ANS-
Dmax is dependent upon: - ANS-beam energy
The glabella is the region: - ANS-between the orbits
The most common brain tumor is: - ANS-Metastatic
D0 on a cell survival curve indicates: - ANS-the dose at which 37% of cells survive
The chemotherapy drugs derived from the periwinkle plant are the: - ANS-vinca
alkaloids
The precursor gene which function is to accelerate cell growth is called a: -
ANS-proto-oncogene
Contrast medium used for an MRI is: - ANS-gadolinium
The calibrated device that fits into the collimator and provides measurement information
for a port film is the: - ANS-gradicule
An individual exposed to a whole body dose of 400cGy would experience: -
ANS-hematopoietic symptoms
A patient presents for treatment with a platelet count of 59,000/mm3. What should you
do? - ANS-
The TD 5/5 for the liver when the whole organ is being treated is: - ANS-30 Gy
Tolerance dose is determined by all of the following factors except: - ANS-machine
energy
