ARRT BOARD EXAM QUESTIONS WITH 100% CORRECT ANSWERS!!

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 GyWhat 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? - AnswerLatent 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? - AnswerGastrointestinal 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? - AnswerBolus, 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 bodyWhat 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 If an orthogonal pair is taken with the first angle at 215˚, what would the second angle be? - Answer-305˚ Of what does a patient presenting with petechiae have signs? - Answer-Bleeding How do radiolucent contrast agents appear on radiographs? - Answer-Dark What is the most commonly involved lymph node in individuals with nasal cavity & paranasal sinus cancer? - Answer-Submandibular node What is an example of a sterile procedure? - Answer-The insertion of a urinary catheterWhat is the most common side effect of patients being treated with EBRT to the vagina? - AnswerDyspareunia When reviewing a transverse slice, what directional terms orient the image? - Answer-Anterior/posterior & right/left What does it mean when a surgical report indicates the presence of positive margins? - Answer-There is disease remaining What is a common screening technique for prostate cancer? - Answer-Digital rectal exam What is the most radiosensitive stage of gestation? - Answer-Preimplantation What defines clinically significant weight loss? - Answer-A patient losing 10% or more of their body weight Which plane divides the body into anterior & posterior portions? - Answer-Coronal plane How should the table be moved if a field needs to be shifted 1 cm posteriorly? - Answer-1 cm anteriorly How can tongue immobilization be accomplished? - Answer-Cork What is the radiation protection quality factor for x-rays? - Answer-1 When will patients begin to experience epilation? - Answer-After an initial dose of 2000 cGy What is a keloid? - Answer-Scar overgrowth What is thrombocytopenia? - Answer-A condition in which the patient has a reduced number of plateletsWhen should PPE be worn? - Answer-When tattooing a patient