ASRT exam 2 Answered Questions | Already Passed | 100 % Correct Answers

If a patient arrives with lab work results indicating a white blood cell count of <2000 g/dI, the therapist should: Ans: Bring this to the radiation oncologists attention prior to treatment delivery. Which of these devices may best be used to measure the dose at various points within a mantle field when treating a Hodgkin's patient? Ans: TLD Radiation exposure during the gestation period of _______ days usually affects the nervous system. Ans: 23 to 37 The primary lymphatic drainage of the testicle is the __________. Ans: Periaortic nodes One rem is equal to _________ Sv. Ans: 0.01 Sv Orthogonal films are two portal images that are captured ___ degrees apart Ans: 90 A lateral decubitus position refers to having the patient: Ans: lie on their side Which of the following organs is most sensitive to radiation? Ans: lung Which of the following is not one of the four R's of radiation therapy? Ans: Reconfirmation Topograms: Ans: Are referred to as pilot or scout images, are used for patient alignment, define CT scan range For the treatment of prostate cancer, conventional doses consist of: Ans: 7,500 cGy to 8,000 cGy Which of the following describes CT simulation lasers? Ans: Consists of a single overhead laser that moves to protect the sagital plane. Are two vertical moving lateral lasers to project coronal plane. Can be fixed lasers to project the transverse plane brachytherapy is commonly used for all of the following cancers, except for _________ cancer. Ans: pancreatic All of the following are examples of external beam, radiation treatment, delivery methods, except: Ans: CBC