Podcast Beta
Questions and Answers
What occurs when an additional neutron is forced into a stable nucleus?
What is the result of forcing an additional proton into a stable nucleus, knocking out a neutron?
What is the characteristic of radionuclides produced in a cyclotron?
Why are medical minicyclotrons designed to be located at or near the hospital site?
Signup and view all the answers
What is the result of increasing the mass of a nucleus by one, while keeping the atomic number unchanged?
Signup and view all the answers
How many known radionuclides are there?
Signup and view all the answers
What is a common characteristic of isotopes of an element?
Signup and view all the answers
What is the term for unstable nuclei that decay by emitting radiation?
Signup and view all the answers
What happens when an additional neutron is forced into a stable nucleus?
Signup and view all the answers
What is the primary reason for requiring higher spatial resolution in small animal gamma imaging systems?
Signup and view all the answers
Which of the following radionuclides is not naturally occurring?
Signup and view all the answers
What is the purpose of producing radionuclides in medical imaging?
Signup and view all the answers
What is the typical diameter of the holes in a general purpose collimator?
Signup and view all the answers
How many known radionuclides exist?
Signup and view all the answers
What is the trade-off for using a high-resolution collimator?
Signup and view all the answers
What is the characteristic of a low-energy collimator?
Signup and view all the answers
What is the primary advantage of using a high-sensitivity collimator?
Signup and view all the answers
What is the reason for using a non-parallel hole collimator in small animal gamma imaging systems?
Signup and view all the answers
What are the primary characteristics of a scintillator chosen for gamma ray detection in clinical use?
Signup and view all the answers
What is the primary reason why sodium iodide (NaI) scintillators are required to be sealed in airtight containers?
Signup and view all the answers
What is the significance of a high atomic number in a scintillator used for gamma ray detection?
Signup and view all the answers
What is the primary advantage of using a scintillator with a short decay duration in gamma ray detection?
Signup and view all the answers
What is the purpose of the table listing properties of common scintillators used in conventional gamma cameras?
Signup and view all the answers
What is the primary disadvantage of sodium iodide (NaI) scintillators in gamma ray detection?
Signup and view all the answers
What is the primary decay mode of 123I?
Signup and view all the answers
What is the main application of 131I in therapy?
Signup and view all the answers
What is a characteristic of Xenon-133 (133Xe)?
Signup and view all the answers
What is the half-life of 125I?
Signup and view all the answers
What is the method of production of Krypton-81m (81mKr)?
Signup and view all the answers
What is the primary application of Krypton-81m (81mKr)?
Signup and view all the answers