Gas Detectors

1

What is the measured exposure rate shown on the diagram of the GM meter depicted here?

1

Which of the following instruments should be used to determine whether all removable contamination has been eliminated?

1

When performing a room survey with a G-M counter, the technologist should first:

1

Which is the maximum exposure rate that can be measured with the G-M meter shown here?

1

When surveying for contamination, which of the following diagrams depicts the correct position of the probe of an end-window GM meter in relation to the surface being monitored?

1

How often must survey meters be calibrated?

1

Which of the following instruments is most appropriate for detecting low-level accidental contamination?

1

Which of the following radiation monitoring devices is best suited to survey a patient who has received 5.55 GBq of I-131 for therapy?

1

In calibrating the survey meter for the nuclear medicine department you discover that it has a 12% error. What is your next course of action?

1

The average energy required to create an ion pair is:

1

An ionization of the entire fixed volume of a gas due to secondary ionization is known as the:

1

How do the sizes of the pulses produced by the collection of ions in he proportional region compare to those produced by an instrument that operates in the ionization region of the gas curve for radiation detectors?

1

Gas amplification is a phenomenon associated with instruments that operate in which region of the gas curve for radiation detectors?

1

The output pulse height of a gas detector is, in most cases, dependent upon what?

1

A GM counter can identify the energy of the source of radioactivity detected.

1

Why is a G-M counter not suitable for quantifying the exposure rate of a high activity spill?

1

Which of the following statements is false in regards to ionization survey meters?

1

When is survey meter calibration not necessary?

1

What is an advantage of an ionization chamber?

1

What is the effect of increasing the temperature of the gas contained in a ionization chamber?

1

What is a disadvantage of a GM counter?

CAMRT (Operation of Equipment) Nuclear Medicine Technology Test sobre Gas Detectors, creado por Siobhan Pett el 05/05/2020.

Gas Detectors

What is the measured exposure rate shown on the diagram of the GM meter depicted here?

Which of the following instruments should be used to determine whether all removable contamination has been eliminated?

When performing a room survey with a G-M counter, the technologist should first:

Which is the maximum exposure rate that can be measured with the G-M meter shown here?

When surveying for contamination, which of the following diagrams depicts the correct position of the probe of an end-window GM meter in relation to the surface being monitored?

How often must survey meters be calibrated?

Which of the following instruments is most appropriate for detecting low-level accidental contamination?

Which of the following radiation monitoring devices is best suited to survey a patient who has received 5.55 GBq of I-131 for therapy?

In calibrating the survey meter for the nuclear medicine department you discover that it has a 12% error. What is your next course of action?

The average energy required to create an ion pair is:

An ionization of the entire fixed volume of a gas due to secondary ionization is known as the:

How do the sizes of the pulses produced by the collection of ions in he proportional region compare to those produced by an instrument that operates in the ionization region of the gas curve for radiation detectors?

Gas amplification is a phenomenon associated with instruments that operate in which region of the gas curve for radiation detectors?

The output pulse height of a gas detector is, in most cases, dependent upon what?

A GM counter can identify the energy of the source of radioactivity detected.

Why is a G-M counter not suitable for quantifying the exposure rate of a high activity spill?

Which of the following statements is false in regards to ionization survey meters?

When is survey meter calibration not necessary?

What is an advantage of an ionization chamber?

What is the effect of increasing the temperature of the gas contained in a ionization chamber?