Radioactive Source and Gas-Filled Detector Quiz

What type(s) of radiation are being measured when a Geiger counter is used to measure a radioactive source with its cover removed?

What is the region of operation on the voltage-response curve for a Geiger counter?

Does the pulse mode operation of a gas-filled detector require a high photon flux to produce an accurate reading?

Will a Geiger counter with a short time constant respond quickly to a change in the local radiation field strength?

What is the purpose of a pulse height analyzer in a scintillation detector?

Which semiconductor material is commonly used in commercial intraoperative probes?

What is the function of a collimator in nuclear medicine imaging?

What is the main cause of non-uniformity in a gamma camera?

What is the stopping condition for a gamma camera image?

What does dead time refer to in radiation detection?

What is involved in calibrating a scintillation detector?

What is dead time in radiation detection?

What causes baseline shift and pulse pile-up in radiation detection?

What is the primary function of a light pipe in nuclear medicine imaging?

What is the primary function of a pulse height analyzer in a scintillation detector?

What causes baseline shift and pulse pile-up in radiation detection?

Which type of collimator design option will improve the collimator’s overall sensitivity?

What is the appropriate collimator if we want high-quality images of the bones of the hand?

What is dead time in radiation detection?

Which of the following can be used as the stopping condition for a gamma camera image?

What is the function of a light pipe in nuclear medicine imaging?

Which of the following semiconductor materials is used in commercial intraoperative probes?

What is involved in calibrating a scintillation detector?

What is the percent energy resolution for a Cs137 source with an energy range at half-maximum from 625 keV to 692 keV?

What is the appropriate collimator if part of the body being imaged is larger than the collimator’s field of view?

What causes non-uniformity in a gamma camera?

What type(s) of radiation are being measured when a Geiger counter is used to measure a radioactive source with its cover removed?

According to the standard of practice, the percent energy resolution for Cs137 should fall between:

What is the region of operation on the voltage-response curve for an ionization survey meter?

Does pulse mode operation of a gas-filled detector require a high photon flux to produce an accurate reading?

What does the change in charge on one or both plates of a gas-filled detector correlate to?

Identify the region of operation on the voltage-response curve for a Geiger counter.