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ANSWERS 2024 n
What is the TD 5/5 for the kidney? - answer-23 Gy
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What would a QA level 1 action item require? - answer-
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Inspection, but treatment can continue
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What is the backscatter factor at the level of Dmax? - answer-
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Tissue Air Ratio (TAR)
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What technique can be used to accomplish forced shallow breathing? -
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answer-Gating
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What are the parts of the oral cavity? - answer-
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Floor of the mouth, retromolar trigone, gingiva, anterior 2/3 of tongue,
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hard palate
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What is the tolerance for gantry & collimator angle indicators? -
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answer-1.0˚
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What does T1b glottic cancer involve according to the AJCC staging syst
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em? - answer-Both vocal cords
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What is the most common breast cancer diagnosis? - answer-
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Invasive infiltrating ductal carcinoma
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,ARRT BOARD EXAM WITH 100% CORRECT
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ANSWERS 2024 n
When a patient is treated with an SAD of 12 cm, what would the SSD be
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? - answer-88 cm
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What is the single most effective way of preventing the spread of infect
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ion? - answer-Washing hands
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What is the most common dose-
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limiting toxicity for chemotherapeutic drugs? - answer-
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Myelosuppresion
What is the most common form of cutaneous T-cell lymphoma? -
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answer-Mycosis fungoides
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What is the TD 5/5 for the whole liver? - answer-30 Gy
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What must a treatment prescription contain? - answer-
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Total dose, daily dose, orientation of treatment fields, fractionation sch
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eme, beam energy, beam-
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modifying devices, anatomic site, treatment technique
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Which phase after total body exposure to radiation is characterized by
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having no symptoms? - answer-Latent phase
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What is a general characteristic of well-differentiated tumors? -
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answer-Benign
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ANSWERS 2024 n
Which primary diagnosis indicates prophylactic cranial irradiation? -
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answer-Small cell carcinoma
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What is used to prevent a hot spot at the junction of two treatment fiel
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ds with a small hinge angle? - answer-Wedge
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What is a near miss in radiation therapy treatment delivery? - answer-
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A harmful event that was caught prior to the delivery of treatment
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What is included in the ITV? - answer-PTV, CTV, & GTV
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What type of acute radiation syndrome results from a whole body dos
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e of 1000-5000 cGy? - answer-Gastrointestinal
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Through which organ/tissue are intrathecal drug injections administer
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ed? - answer-Spinal cord
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What is the purpose of an excisional biopsy? - answer-
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Remove the entire tumor & any local spread
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What can be used to compensate for an irregular skin surface due to mi
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ssing or curved tissue? - answer-Bolus, wedges, shielding blocks
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, ARRT BOARD EXAM WITH 100% CORRECT n n n n n n
ANSWERS 2024 n
Near what vertebral level does the spinal cord usually end? - answer-
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L1-L2
What does ipsilateral mean? - answer-The same side of the body
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What is the TD 5/5 for 1/3 of the brain? - answer-60 Gy
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Which cell type is more radiosensitive? - answer-Basal cells
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What can be used to confirm patient identity when performing time ou
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t procedures? - answer-
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Checking ID bracelet & asking name, asking patient's name & comparin
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g with the name called, comparing patient with his/her picture in the c
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hart
If the hinge angle of two radiation beams is 150,̊ what should the wedg
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e angle be? - answer-15˚
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Which acute effect will result from a total body exposure to a dose of m
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ore than 10 Gy? - answer-GI syndrome
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What happens to the PDD curve as the field size increases? - answer-
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It increases
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