Ramer · Alavi Nuclear Medicine Technology

283 Radiation Safety33) A technologist is working in a hot lab where theexposure rate is 20 mR/hr. What sign should be on thedoor?a. Caution: Radioactive Materialsb. Caution: Radiation Areac. Caution: High Radiation Aread. Grave Danger: Very High Radiation Areae. none of the above34) If a technologist sits two feet away from a generatorand the dose rate at his chair is 15 mrem/hr, what willthe dose rate be if he moves his chair 4 feet from thegenerator?a. 2.5 mrem/hrb. 3.75 mrem/hrc. 7.5 mrem/hrd. 60 mrem/hr35) A misadministration must be:a. reported within a week to the RSOb. reported to the NRC within 15 days after discoveryc. reported to the referring physician within 24 hoursd. recorded and the records kept for 5 yearse. all of the above except a36) Which of the following is not a misadministration?a. when a dose of 400 µCi of 99m Tc MAA is given ratherthan 4 mCib. when the correct dose of 111 In oxine for cisternogramis injected intravenouslyc. when a patient who should have been injectedwith 20 mCi of 99m Tc HDP for a bone scan receivesa capsule containing 250 µCi of 123 I intended fora thyroid patientd. when a patient who should have received 50 mCiof 131 I receives 35 mCi insteade. none of the above