Arrt Board Exam

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