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Exam 5: Radiation Monitoring

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Question 1

Multiple Choice

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Three different filters are incorporated into the detector packet of the optically stimulated luminescence (OSL) dosimeter.These filters are respectively made of: 1) aluminum. 2) copper. 3) molybdenum. 4) rhenium tungsten. 5) tin.

A) 1,2,and 3 only
B) 1,2,and 4 only
C) 1,2,and 5 only
D) 2,4,and 5 only

E) B) and C)
F) C) and D)

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Question 2

Multiple Choice

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Ionization chambers connected to electrometers are used by medical physicists to perform standard measurements required by state,federal,and health care accreditation organizations for radiographic and fluoroscopic devices.Some of these measurements include: 1) x-ray output in mR/mAs. 2) reproducibility and linearity of output. 3) timer accuracy. 4) half-value layer,or beam quality. 5) entrance exposure rates for fluoroscopic units.

A) 1,2,and 3 only
B) 1,3,and 4 only
C) 2,3,and 5 only
D) 1,2,3,4,and 5

E) C) and D)
F) A) and B)

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Question 3

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Which of the following instruments is called a cutie pie?

When the sensing crystals contained in the thermoluminescent dosimeter are exposed to ionizing radiation,which of the following occurs?

Which component(s) of the Geiger-Muller detector alert(s) the operator to the presence of ionizing radiation?

Of the following,which are disadvantages of using pocket ionization chambers as personnel dosimeters? 1) Mechanical shock causes pocket chambers to discharge. 2) A permanent legal record of personnel exposure cannot be obtained with a pocket dosimeter. 3) False high readings may be obtained if the pocket dosimeter is not read each day.

An electrometer is a device that measures:

The metal filters contained in a film badge personnel dosimeter are generally composed of which of the following materials?

The front of the white paper packet of the optically stimulated luminescence (OSL) dosimeter:

Which of the following items is not a basic component of the film badge dosimeter?

Some of the advantages of the optically stimulated luminescence (OSL) dosimeter are: 1) can be used for up to 1 year. 2) lightweight,durable,and easy to carry. 3) integrated,self-contained,preloaded packet.

Whenever the letter "M" appears under the current monitoring period or in the cumulative columns of a personnel monitoring report,it signifies that:

The optically stimulated luminescence (OSL) dosimeter is "read out" by using:

Which of the following devices contains an aluminum oxide detector?

What do optically stimulated luminescence dosimeters (OSLs) ,thermoluminescent dosimeters,film badge dosimeters,and pocket ionization chambers have in common?

Which of the following should be part of the employment record of all radiation workers?

Of the following personnel monitoring devices,which device could be used to provide immediate exposure readout for a radiation worker working in a cardiac catheterization laboratory?

What should be given to a radiation worker on termination of employment?

Which of the following instruments generally has a check source of a weak,long-lived radioisotope located on one side of its external surface to verify its constancy daily?

The effective atomic number (Zeff) of lithium fluoride (LiF) is equal to: