Question 1

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?

Accepted Answer

A)   Film badge dosimeter
B)   Optically stimulated luminescence (OSL)  dosimeter
C)   Pocket ionization chamber
D)   Thermoluminescent dosimeter (TL
D)  E) A) and B)
F) A) and C) C

Question 2

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

Accepted Answer

A)   The shield covering the probe's sensitivity chamber
B)   An audio amplifier and speaker
C)   The metal that encloses the counter's gas-filled tube
D)   The meter scaleE) All of the above
F) A) and B)

Question 3

Which of the following instruments is called a cutie pie?

Accepted Answer

A)   Geiger-Muller detector
B)   Ionization chamber-type survey meter
C)   Optically stimulated luminescence dosimeter
D)   Proportional counterE) None of the above
F) C) and D)

Question 4

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

Accepted Answer

A)   A list of all fluoroscopic procedures performed daily
B)   A list of all radiographic procedures performed daily
C)   A record of exposure recorded by personnel dosimeters
D)   A report of all procedures performed when "on call" after regular hoursE) A) and D)
F) C) and D) C

Question 5

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

Accepted Answer

A)   5.9.
B)   6.4.
C)   7.0.
D)   8.2.E) B) and C)
F) A) and D)

Question 6

What is the maximum period of time that a thermoluminescent dosimeter (TLD)  may be worn as a personnel dosimeter?

Accepted Answer

A)   1 hour
B)   1 week
C)   1 month
D)   3 monthsE) A) and B)
F) B) and C)

Question 7

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.

Accepted Answer

A)   1 and 2 only
B)   1 and 3 only
C)   2 and 3 only
D)   1, 2, and 3E) A) and B)
F) A) and C)

Question 8

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

Accepted Answer

A)   Radiographic film packet
B)   Durable plastic film holder
C)   Charged electrodes
D)   Assortment of metal filtersE) C) and D)
F) B) and D) C

Question 9

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

Accepted Answer

A)   a densitometer.
B)   an ionization chamber.
C)   a thermoluminescent analyzer.
D)   laser light at selected frequencies.E) B) and D)
F) All of the above

Question 10

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.

Accepted Answer

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

Question 11

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

Accepted Answer

A)   A summary of an occupational exposure report
B)   His or her personnel dosimeter
C)   A pocket ionization chamber
D)   An ionization chamber-type survey meterE) A) and C)
F) A) and D)

Question 12

Which of the following personnel dosimeters resembles an ordinary fountain pen externally?

Accepted Answer

A)   Film badge dosimeter
B)   Optically stimulated luminescence dosimeter
C)   Pocket ionization chamber
D)   Thermoluminescent dosimeterE) C) and D)
F) A) and B)

Question 13

Which of the following is a disadvantage of the optically stimulated dosimeter?

Accepted Answer

A)   Exposure not determinable on the day of occurrence
B)   Mechanical shock can cause false high reading
C)   No permanent, legal record of exposure
D)   Not cost-effective for large numbers of personnelE) All of the above
F) B) and C)

Question 14

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

Accepted Answer

A)   The protons in the crystalline lattice structure of the LiF molecule absorb energy and are excited to a higher energy level or bands.
B)   The neutrons in the crystalline lattice structure of the LiF molecule absorb energy and are excited to a higher energy level or bands.
C)   Some of the electrons in the crystalline lattice structure of the LiF molecule absorb energy and are excited to higher energy levels or bands.
D)   The electrons freed from the LiF molecule are trapped at a lower energy level or bands.E) A) and D)
F) B) and C)

Question 15

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

Accepted Answer

A)   a mistake has been made in recording the equivalent dose.
B)   an equivalent dose higher than the minimum measurable radiation quantity was recorded during that time.
C)   an equivalent dose less than the minimum measurable radiation quantity was recorded during that time.
D)   a maximal equivalent dose has been exceeded during that time.E) A) and C)
F) A) and B)

Question 16

Which of the following devices contains an aluminum oxide detector?

Accepted Answer

A)   Film badge dosimeter
B)   Optically stimulated luminescence dosimeter
C)   Pocket ionization chamber
D)   Thermoluminescent dosimeterE) B) and C)
F) A) and B)

Question 17

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

Accepted Answer

A)   These devices are all used for area monitoring.
B)   These devices all use the same sensing material to detect ionizing radiation.
C)   These devices are all used for personnel monitoring.
D)   Each of these devices can only be used for personnel monitoring for a maximum of 6 months.E) A) and B)
F) B) and C)

Question 18

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?

Accepted Answer

A)   Pocket dosimeter
B)   Proportional counter
C)   Geiger-Muller detector
D)   Ionization chamber-type survey meterE) C) and D)
F) All of the above

Question 19

In diagnostic imaging,the ______________ of the optically stimulated luminescence dosimeter makes it ideal for monitoring employees working in low-radiation environments and for pregnant workers.

Accepted Answer

A)   decreased sensitivity
B)   increased sensitivity
C)   lack of sensitivity
D)   unaffected sensitivityE) A) and C)
F) All of the above

Question 20

Which of the following is not true about field survey instruments?

Accepted Answer

A)   They are all equally sensitive in the detection of ionizing radiation.
B)   They detect the presence of radiation and, when properly calibrated, give a reasonable accurate measure of the exposure.
C)   They are durable enough to withstand normal use.
D)   They are reliable.E) A) and B)
F) A) and C)

Exam 5: Radiation Monitoring

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?

Correct Answer
verified
C

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

Correct Answer
verified

Which of the following instruments is called a cutie pie?

Correct Answer
verified

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

Correct Answer
verified
C

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

Correct Answer
verified

What is the maximum period of time that a thermoluminescent dosimeter (TLD) may be worn as a personnel dosimeter?

Correct Answer
verified

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.

Correct Answer
verified

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

Correct Answer
verified
C

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

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Which of the following personnel dosimeters resembles an ordinary fountain pen externally?

Correct Answer
verified

Which of the following is a disadvantage of the optically stimulated dosimeter?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Which of the following devices contains an aluminum oxide detector?

Correct Answer
verified

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

Correct Answer
verified

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?

Correct Answer
verified

In diagnostic imaging,the ______________ of the optically stimulated luminescence dosimeter makes it ideal for monitoring employees working in low-radiation environments and for pregnant workers.

Correct Answer
verified

Which of the following is not true about field survey instruments?

Correct Answer
verified

Exam 5: Radiation Monitoring

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?

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Which of the following instruments is called a cutie pie?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

What is the maximum period of time that a thermoluminescent dosimeter (TLD) may be worn as a personnel dosimeter?

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following personnel dosimeters resembles an ordinary fountain pen externally?

Correct AnswerverifiedShow Answer

Which of the following is a disadvantage of the optically stimulated dosimeter?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following devices contains an aluminum oxide detector?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

In diagnostic imaging,the ______________ of the optically stimulated luminescence dosimeter makes it ideal for monitoring employees working in low-radiation environments and for pregnant workers.

Correct AnswerverifiedShow Answer

Which of the following is not true about field survey instruments?

Correct AnswerverifiedShow Answer

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified