NMT Actual Exam Rated A| 95 Questions &
Answers Verified 100%Correct
According to the NRC, survey meters must be calibrated_______ and following any
repairs
-semiannually
-biannually (every other year
-yearly
-monthly - ANSWER yearly
The difference between a direct and wipe check radiation survey is that:
-there is no difference
-one is qualitative and one is not
-one is quantitative and one is not
-one gives an instant reading and one does not - ANSWER one gives an instant reading
and one does not
An occupational worker has received 14,000 orem of exposure to the eyes in 1 year on
his/her eye dose dosimeter, which following course of action would be appropriate?
-recommend eye chelation therapy
-review ALARA standards to reduce exposure because they have exceeded their annual
eye dose limit
-review ALARA standards to reduce exposure because they are close to exceeding their
annual eye dose limit
,-recommend they use leaded eyeglasses to reduce exposure - ANSWER review ALARA
standards to reduce exposure because they are close to exceeding their annual eye dose
limit
(limit is 1500 mrem/year)
A nuclear medicine department has an action level of 500 mrem per month whole body
exposure. If you were the NRC inspector, what would your recommendations to this site
be?
-nothing, everything is fine
-need to reduce their action level to at least 450 mrem per month to be in compliance
with annual possible levels of exposure
-need to increase their action level to 500 mrem per month
-need to reduce their action level to at least 410 mrem per month to be compliant with
annual possible levels of exposure - ANSWER need to reduce their action level to at least
410 mrem per month to be compliant with annual possible levels of exposure
The allowed dose of ionizing radiation to a declared pregnant women embryo/fetus is:
-10% of the standard occupational workers whole body dose per year
-1% of the standard occupational workers whole body dose per year
-10% of the standard yearly occupational dose for the gestation period
-1% of the standard yearly occupational dose for the gestation period - ANSWER 10% of
the standard yearly occupational dose for the gestation period
(yearly occupation limit= 5000 mrem, pregnant= 500 mrem)
,In doing a room survey you discover that a therapy patients room has removable
contamination above acceptable levels. What is the acceptable level?
- <200 Bq/100 cm^2
- <200 MBq/100 cm^2
- <12000 Bq/100 cm^2
- <3.33 Bq/100 cm^2 - ANSWER <3.3 Bq/100 cm^2
In calibrating your survey meter for your nuclear medicine department, you discover
that it has a 12% error. What is your next course of action to remain in compliance with
NRC regulations?
-use the survey meter as you normally would
-throw it away
-replace the batteries
-recommend that it be serviced - ANSWER use the survey meter as you normally would
You suspect that a low level Beta emitter has been spilled on a counter top. Which of
the following survey techniques would be best?
-pancake probe GM meter
-scintillation probe type meter
-wipe check with a GM meter
-wipe check with SCA/MCA type meter - ANSWER wipe check with SCA/MCA type meter
An unrestricted nuclear medicine waiting room is on the other side of the wall from a
hot lab. GM meter readings in the hot lab read 50 mR/hr. Readings on the other side of
the wall in the waiting room read 25 mR/hr. What is the minimum number HVLs of Pb
, that are required in the wall to bring the waiting room reading down into compliance
with NRC regulations?
-1
-2
-3
-4 - ANSWER 4
A GM meter has a scale of 1-5 mR/hr. If a deflection on the meter reads 4.5 and meter is
set on the x0.1 setting. What is the reading?
-40.5 mR/hr
-4.5 mR/hr
-0.45 mR/hr
-0.045 mR/hr - ANSWER 0.45 mR/hr
In operating GM meter on daily basis, what is the first thing you should always do?
-use a check source to make sure the meter is working correctly
-check the batteries
-insert the batteries
-set it to the most sensitive scale/setting - ANSWER check the batteries
For X or NRC Form 3 includes all of the following except:
-the employer is not required to post any notices of violations of the regulations
involving radiological working conditions
Answers Verified 100%Correct
According to the NRC, survey meters must be calibrated_______ and following any
repairs
-semiannually
-biannually (every other year
-yearly
-monthly - ANSWER yearly
The difference between a direct and wipe check radiation survey is that:
-there is no difference
-one is qualitative and one is not
-one is quantitative and one is not
-one gives an instant reading and one does not - ANSWER one gives an instant reading
and one does not
An occupational worker has received 14,000 orem of exposure to the eyes in 1 year on
his/her eye dose dosimeter, which following course of action would be appropriate?
-recommend eye chelation therapy
-review ALARA standards to reduce exposure because they have exceeded their annual
eye dose limit
-review ALARA standards to reduce exposure because they are close to exceeding their
annual eye dose limit
,-recommend they use leaded eyeglasses to reduce exposure - ANSWER review ALARA
standards to reduce exposure because they are close to exceeding their annual eye dose
limit
(limit is 1500 mrem/year)
A nuclear medicine department has an action level of 500 mrem per month whole body
exposure. If you were the NRC inspector, what would your recommendations to this site
be?
-nothing, everything is fine
-need to reduce their action level to at least 450 mrem per month to be in compliance
with annual possible levels of exposure
-need to increase their action level to 500 mrem per month
-need to reduce their action level to at least 410 mrem per month to be compliant with
annual possible levels of exposure - ANSWER need to reduce their action level to at least
410 mrem per month to be compliant with annual possible levels of exposure
The allowed dose of ionizing radiation to a declared pregnant women embryo/fetus is:
-10% of the standard occupational workers whole body dose per year
-1% of the standard occupational workers whole body dose per year
-10% of the standard yearly occupational dose for the gestation period
-1% of the standard yearly occupational dose for the gestation period - ANSWER 10% of
the standard yearly occupational dose for the gestation period
(yearly occupation limit= 5000 mrem, pregnant= 500 mrem)
,In doing a room survey you discover that a therapy patients room has removable
contamination above acceptable levels. What is the acceptable level?
- <200 Bq/100 cm^2
- <200 MBq/100 cm^2
- <12000 Bq/100 cm^2
- <3.33 Bq/100 cm^2 - ANSWER <3.3 Bq/100 cm^2
In calibrating your survey meter for your nuclear medicine department, you discover
that it has a 12% error. What is your next course of action to remain in compliance with
NRC regulations?
-use the survey meter as you normally would
-throw it away
-replace the batteries
-recommend that it be serviced - ANSWER use the survey meter as you normally would
You suspect that a low level Beta emitter has been spilled on a counter top. Which of
the following survey techniques would be best?
-pancake probe GM meter
-scintillation probe type meter
-wipe check with a GM meter
-wipe check with SCA/MCA type meter - ANSWER wipe check with SCA/MCA type meter
An unrestricted nuclear medicine waiting room is on the other side of the wall from a
hot lab. GM meter readings in the hot lab read 50 mR/hr. Readings on the other side of
the wall in the waiting room read 25 mR/hr. What is the minimum number HVLs of Pb
, that are required in the wall to bring the waiting room reading down into compliance
with NRC regulations?
-1
-2
-3
-4 - ANSWER 4
A GM meter has a scale of 1-5 mR/hr. If a deflection on the meter reads 4.5 and meter is
set on the x0.1 setting. What is the reading?
-40.5 mR/hr
-4.5 mR/hr
-0.45 mR/hr
-0.045 mR/hr - ANSWER 0.45 mR/hr
In operating GM meter on daily basis, what is the first thing you should always do?
-use a check source to make sure the meter is working correctly
-check the batteries
-insert the batteries
-set it to the most sensitive scale/setting - ANSWER check the batteries
For X or NRC Form 3 includes all of the following except:
-the employer is not required to post any notices of violations of the regulations
involving radiological working conditions