HEALTH PHYSICS ORAL EXAM 2025
QUESTIONS AND ANSWERS
Minor spill steps - ....ANSWER ...-1-tell everyone in area to clear
2-contain spill with absorbent paper
3-use gloves, protective gear, booties, and lab coat while cleaning spill with
absorbent paper. put all used protection and used absorbent paper into a bag
labeled "caution radioactive material" and use this to transfer to waste.
4-survey area to make sure its below trigger levels
5-report to RSO
Major spill steps - ....ANSWER ...-1-notify all persons to vacate the room
2-prevent spread of spill by covering with paper towels labeled "caution radioactive
material, but do not try to clean up.
3-shield source if possible without causing more contamination
4-close the room and lock it/prevent entry
5-notify RSO immediately
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,6-remove contaminated clothing and flush contaminated skin with lukewarm
water, then wash with mild soap. (inducing perspiration and washing again may be
necessary)
Is NUREG 1556 vol 9 guidance or standards and for what - ....ANSWER ...-
guidance about materials license
is 10 CFR 20 guidance or standards and for what - ....ANSWER ...-standards
for protection against radiation
ambient dose rate trigger levels for unrestricted and restricted area -
....ANSWER ...-restricted = 5 mR/hr
unrestricted = .1 mR/hr
use records for nuc med patients should include - ....ANSWER ...-dose
prescribed and administered
use records for brachytherapy patients should include - ....ANSWER ...-dose
prescribed/administered and documentation of when the sourced are checked
in/out fo storage
storage areas should follow what 2 rules - ....ANSWER ...-constant
surveillance and unauthorized access
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
, When you receive a radioactive source, what should you do? -
....ANSWER ...-measure external dose rate
wipe test for contamination
put in a secure location
leak tests are performed on - ....ANSWER ...-brachy sources and and sealed
sources
how often in inventory of sealed sources and brachy sources performed -
....ANSWER ...-semiannually
what 3 ways can you dispose of radioactive materials - ....ANSWER ...-decay
in storage
release to sanitary sewer
ship for return/burial
If you let a radioactive material decay in storage for disposal, what are the rules -
....ANSWER ...--can only do with materials with half life less than or equal
to 120 days
-decay 10 half lives
-obliterate labels
-dispose of as normal trash
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
QUESTIONS AND ANSWERS
Minor spill steps - ....ANSWER ...-1-tell everyone in area to clear
2-contain spill with absorbent paper
3-use gloves, protective gear, booties, and lab coat while cleaning spill with
absorbent paper. put all used protection and used absorbent paper into a bag
labeled "caution radioactive material" and use this to transfer to waste.
4-survey area to make sure its below trigger levels
5-report to RSO
Major spill steps - ....ANSWER ...-1-notify all persons to vacate the room
2-prevent spread of spill by covering with paper towels labeled "caution radioactive
material, but do not try to clean up.
3-shield source if possible without causing more contamination
4-close the room and lock it/prevent entry
5-notify RSO immediately
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,6-remove contaminated clothing and flush contaminated skin with lukewarm
water, then wash with mild soap. (inducing perspiration and washing again may be
necessary)
Is NUREG 1556 vol 9 guidance or standards and for what - ....ANSWER ...-
guidance about materials license
is 10 CFR 20 guidance or standards and for what - ....ANSWER ...-standards
for protection against radiation
ambient dose rate trigger levels for unrestricted and restricted area -
....ANSWER ...-restricted = 5 mR/hr
unrestricted = .1 mR/hr
use records for nuc med patients should include - ....ANSWER ...-dose
prescribed and administered
use records for brachytherapy patients should include - ....ANSWER ...-dose
prescribed/administered and documentation of when the sourced are checked
in/out fo storage
storage areas should follow what 2 rules - ....ANSWER ...-constant
surveillance and unauthorized access
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
, When you receive a radioactive source, what should you do? -
....ANSWER ...-measure external dose rate
wipe test for contamination
put in a secure location
leak tests are performed on - ....ANSWER ...-brachy sources and and sealed
sources
how often in inventory of sealed sources and brachy sources performed -
....ANSWER ...-semiannually
what 3 ways can you dispose of radioactive materials - ....ANSWER ...-decay
in storage
release to sanitary sewer
ship for return/burial
If you let a radioactive material decay in storage for disposal, what are the rules -
....ANSWER ...--can only do with materials with half life less than or equal
to 120 days
-decay 10 half lives
-obliterate labels
-dispose of as normal trash
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
