Radiation Safety in Nuclear Medicine

What is the typical rate of decay and urinary excretion?

0.5 mR/hr

What is the primary benefit of having thorough knowledge of the task to be performed in radiation safety?

Reducing the time spent near the radiation source

Why should unshielded radiation sources never be manipulated by hand?

To minimize the exposure rates

What is the primary purpose of using tongs or other handling devices in radiation safety?

To increase the distance between the source and the hand Signup and view all the answers

How much does the use of a syringe shield reduce hand exposure from Tc-99m?

100 fold Signup and view all the answers

What is the limited role of a lead apron in nuclear medicine?

Diagnostic radiology Signup and view all the answers

What is the most important component of radiation safety in Nuclear Medicine?

Knowledge Signup and view all the answers

What is the primary responsibility of radiation workers in a Nuclear Medicine department?

All of the above Signup and view all the answers

What is the purpose of the design of a Nuclear Medicine department?

To ensure safety, efficiency, and economy Signup and view all the answers

What is the typical exposure rate of a 'Warm Area' in a Nuclear Medicine department?

Millicuries level Signup and view all the answers

What is the concept applied to minimize exposure to radiation in Nuclear Medicine procedures?

ALARA Signup and view all the answers

What is the exposure rate at 2 hours after the injection of 740 MBq (20 mCi) Tc99m MDP for a bone scan?

1 mR/hr Signup and view all the answers

What is the best method for decontamination in Nuclear Medicine?

Washing the area with soap and warm water Signup and view all the answers

What is the primary reason for personnel to wash their hands after handling radioactivity?

To prevent internal contamination by ingestion Signup and view all the answers

What is the purpose of surveying personnel and work surfaces for contamination in Nuclear Medicine?

To prevent the spread of radioactive material Signup and view all the answers

What is the primary purpose of proper labeling of syringes in Nuclear Medicine?

To prevent misadministration of radiopharmaceuticals Signup and view all the answers

What is the recommended protocol for patients who are breast feeding and undergoing radionuclide therapy?

Breast feeding should be discontinued temporarily Signup and view all the answers

At what level of radiation is an area considered contaminated in Nuclear Medicine?

Twice the background level Signup and view all the answers