ASRT Exam #1 Questions with 100% Verified
Correct Answers
When reviewing a transverse slice, what directional terms orient the image? - Correct Answer
anterior/posterior and right/left
The plane which divides the body into anterior and posterior portions is: - Correct Answer coronal
plane
A patient presenting with petechiae has signs of: - Correct Answer bleeding
At the level of Dmax, the backscatter factor is: - Correct Answer Tissue Air Ratio (TAR)
The JRCERT is an example of a(n): - Correct Answer accrediting body
Percentage depth dose curve (PDD) is dependent on all of the following factors except for:
-energy
-depth
-SSD
-SAD - Correct Answer SAD
______ are drugs used to reduce cerebral edema - Correct Answer corticosteroids
Thrombocytopenia is a condition in which the patient has a reduced number of: - Correct Answer
platelets
Areas where the dose equivalent exposure is 0.1 rem/week are classified as: - Correct Answer
controlled areas
Permanent azoospermia may occur in men being treated for testicular cancer after what dose? -
Correct Answer 2 to 3 Gy
Which of the following is not part of the oral cavity? - Correct Answer base of the tongue
, What is the most common dose-limiting toxicity for chemotherapeutic drugs? - Correct Answer
myelosuppression
What is the Tolerance Dose for 5% risk at 5 years (TD 5/5) for the kidney? - Correct Answer 23 Gy
The spinal cord is about 25 cm shorter than the vertebral column, usually ending near the level of: -
Correct Answer L1-L2
A treatment prescription must contain all of the following except for:
-set up instructions
-total dose
-orientation of treatment fields
-fractionation - Correct Answer set up instructions
As the field size increases, the percentage depth dose curve (PDD): - Correct Answer increases
Which organization is responsible for establishing suggested dose limits for safe practices within the
United States? - Correct Answer National Council on Radiation Protection and Measurements (NCRP)
The interaction between an incident photon and an inner shell electron which transfers all the
energy of the photon to the electron is called: - Correct Answer photoelectric effect
Once women declare pregnancy, the NCRP limits radiation exposure to the embryo or fetus to: -
Correct Answer 0.5 mSv
The three major pathways of lymphatic drainage of the breast are: - Correct Answer internal
mammary, transpectoral, and axillary
Intrathecal drug injections are administered through: - Correct Answer the spinal cord
A whole body dose of 100-1000 cGy would cause symptoms from which syndrome? - Correct Answer
hematopoietic
Correct Answers
When reviewing a transverse slice, what directional terms orient the image? - Correct Answer
anterior/posterior and right/left
The plane which divides the body into anterior and posterior portions is: - Correct Answer coronal
plane
A patient presenting with petechiae has signs of: - Correct Answer bleeding
At the level of Dmax, the backscatter factor is: - Correct Answer Tissue Air Ratio (TAR)
The JRCERT is an example of a(n): - Correct Answer accrediting body
Percentage depth dose curve (PDD) is dependent on all of the following factors except for:
-energy
-depth
-SSD
-SAD - Correct Answer SAD
______ are drugs used to reduce cerebral edema - Correct Answer corticosteroids
Thrombocytopenia is a condition in which the patient has a reduced number of: - Correct Answer
platelets
Areas where the dose equivalent exposure is 0.1 rem/week are classified as: - Correct Answer
controlled areas
Permanent azoospermia may occur in men being treated for testicular cancer after what dose? -
Correct Answer 2 to 3 Gy
Which of the following is not part of the oral cavity? - Correct Answer base of the tongue
, What is the most common dose-limiting toxicity for chemotherapeutic drugs? - Correct Answer
myelosuppression
What is the Tolerance Dose for 5% risk at 5 years (TD 5/5) for the kidney? - Correct Answer 23 Gy
The spinal cord is about 25 cm shorter than the vertebral column, usually ending near the level of: -
Correct Answer L1-L2
A treatment prescription must contain all of the following except for:
-set up instructions
-total dose
-orientation of treatment fields
-fractionation - Correct Answer set up instructions
As the field size increases, the percentage depth dose curve (PDD): - Correct Answer increases
Which organization is responsible for establishing suggested dose limits for safe practices within the
United States? - Correct Answer National Council on Radiation Protection and Measurements (NCRP)
The interaction between an incident photon and an inner shell electron which transfers all the
energy of the photon to the electron is called: - Correct Answer photoelectric effect
Once women declare pregnancy, the NCRP limits radiation exposure to the embryo or fetus to: -
Correct Answer 0.5 mSv
The three major pathways of lymphatic drainage of the breast are: - Correct Answer internal
mammary, transpectoral, and axillary
Intrathecal drug injections are administered through: - Correct Answer the spinal cord
A whole body dose of 100-1000 cGy would cause symptoms from which syndrome? - Correct Answer
hematopoietic
