ARRT Study test in depth board Examination and
100% correctly verified Solutions Latest version
2025/2026
What is a keloid? - correct answer Scar overgrowth
What is thrombocytopenia? - correct answer A condition in which the
patient has a reduced number of platelets
When should PPE be worn? - correct answer When tattooing a patient
For what cancer is Duke's staging used? - correct answer Colorectal
What is a below-normal diastolic blood pressure reading? - correct answer
Less than 60
How would a medication that needs to be taken four times a day be
marked? - correct answer QID
What is an etiological factor associated with anal canal cancer? - correct
answer HPV
What is the equivalent square of an 8 cm x 13 cm field? - correct answer
9.9 cm
To what is 1 J/Kg equal? - correct answer 100 J/g
,What type of interaction occurs when an incident photon transfers all of its
energy to an inner shell electron? - correct answer Photoelectric effect
What is the most common type of bladder cancer? - correct answer
Transitional cell carcinoma
What are the energy values for Cobalt-60 decay? - correct answer 1.17
mev & 1.33 mev
How is tumor grade determined? - correct answer Differentiation
Where is the field size defined when treating a patient using the SSD? -
correct answer At mid-plane or at the patient's skin
For which suspected primary diagnosis should a patient presenting with
unilateral hearing loss & an enlarged cervical lymph node be evaluated? -
correct answer Nasopharyngeal
What type of shock is caused by sepsis, deep anesthesia, or administration
of contrast media? - correct answer Vasogenic shock
What materials are used to make cerrobend blocks? - correct answer
Bismuth, lead, tin, cadmium
As the treatment volume increases, what happens to tolerance doses? -
correct answer Decrease
If an object is 7 cm in real life, but 8.2 cm on film, what is the magnification
factor? - correct answer 1.17
,What type of chemotherapy is 5-FU? - correct answer Antimetabolite
If 215 mus will be delivered during a 315˚ arc, how many mus per degree
will be delivered? - correct answer 0.68 MU/degree
What is the limit of radiation exposure to the embryo/fetus once women
declare pregnancy? - correct answer 0.5 msv
A whole body dose of 100-1000 cgy would cause symptoms from which
syndrome? - correct answer Hematopoietic
What are the three major pathways of lymphatic drainage of the breast? -
correct answer Internal mammary, transpectoral, & axillary
Why does the intensity of a photon beam decrease rapidly with increasing
distance? - correct answer Inverse square law
How often should the IMRT x-ray output consistency be checked? - correct
answer On a monthly basis
A radiation therapist who is 37 years old should not have a lifetime effective
dose exceeding: - correct answer 370 msv
What is the most common histology for cancer of the brain? - correct
answer Astrocytoma
, When should informed consent be signed? - correct answer Prior to the
patient receiving any procedure
How are areas where the dose equivalent exposure is 0.1 rem/week
classified? - correct answer Controlled areas
What is the treatment area that includes the gross palpable tumor &
surrounding volume of tissue containing subclinical disease? - correct
answer CTV
What drugs are used to reduce cerebral edema? - correct answer
Corticosteroids
How far should esophageal radiation field margins extend to account for
nodular drainage? - correct answer 6 cm above & below the tumor
What are the four R's of radiobiology? - correct answer Repopulation,
reoxygenation, repair & redistribution
What is the most common method for sterilization? - correct answer Heat
Where are nosocomial infections spread? - correct answer In the
hospital
What does a prescription to be administered BID indicate? - correct
answer Dosing should occur twice a day
100% correctly verified Solutions Latest version
2025/2026
What is a keloid? - correct answer Scar overgrowth
What is thrombocytopenia? - correct answer A condition in which the
patient has a reduced number of platelets
When should PPE be worn? - correct answer When tattooing a patient
For what cancer is Duke's staging used? - correct answer Colorectal
What is a below-normal diastolic blood pressure reading? - correct answer
Less than 60
How would a medication that needs to be taken four times a day be
marked? - correct answer QID
What is an etiological factor associated with anal canal cancer? - correct
answer HPV
What is the equivalent square of an 8 cm x 13 cm field? - correct answer
9.9 cm
To what is 1 J/Kg equal? - correct answer 100 J/g
,What type of interaction occurs when an incident photon transfers all of its
energy to an inner shell electron? - correct answer Photoelectric effect
What is the most common type of bladder cancer? - correct answer
Transitional cell carcinoma
What are the energy values for Cobalt-60 decay? - correct answer 1.17
mev & 1.33 mev
How is tumor grade determined? - correct answer Differentiation
Where is the field size defined when treating a patient using the SSD? -
correct answer At mid-plane or at the patient's skin
For which suspected primary diagnosis should a patient presenting with
unilateral hearing loss & an enlarged cervical lymph node be evaluated? -
correct answer Nasopharyngeal
What type of shock is caused by sepsis, deep anesthesia, or administration
of contrast media? - correct answer Vasogenic shock
What materials are used to make cerrobend blocks? - correct answer
Bismuth, lead, tin, cadmium
As the treatment volume increases, what happens to tolerance doses? -
correct answer Decrease
If an object is 7 cm in real life, but 8.2 cm on film, what is the magnification
factor? - correct answer 1.17
,What type of chemotherapy is 5-FU? - correct answer Antimetabolite
If 215 mus will be delivered during a 315˚ arc, how many mus per degree
will be delivered? - correct answer 0.68 MU/degree
What is the limit of radiation exposure to the embryo/fetus once women
declare pregnancy? - correct answer 0.5 msv
A whole body dose of 100-1000 cgy would cause symptoms from which
syndrome? - correct answer Hematopoietic
What are the three major pathways of lymphatic drainage of the breast? -
correct answer Internal mammary, transpectoral, & axillary
Why does the intensity of a photon beam decrease rapidly with increasing
distance? - correct answer Inverse square law
How often should the IMRT x-ray output consistency be checked? - correct
answer On a monthly basis
A radiation therapist who is 37 years old should not have a lifetime effective
dose exceeding: - correct answer 370 msv
What is the most common histology for cancer of the brain? - correct
answer Astrocytoma
, When should informed consent be signed? - correct answer Prior to the
patient receiving any procedure
How are areas where the dose equivalent exposure is 0.1 rem/week
classified? - correct answer Controlled areas
What is the treatment area that includes the gross palpable tumor &
surrounding volume of tissue containing subclinical disease? - correct
answer CTV
What drugs are used to reduce cerebral edema? - correct answer
Corticosteroids
How far should esophageal radiation field margins extend to account for
nodular drainage? - correct answer 6 cm above & below the tumor
What are the four R's of radiobiology? - correct answer Repopulation,
reoxygenation, repair & redistribution
What is the most common method for sterilization? - correct answer Heat
Where are nosocomial infections spread? - correct answer In the
hospital
What does a prescription to be administered BID indicate? - correct
answer Dosing should occur twice a day
