Sunday 23 March 2014

MCQ --Stochastic effect


MCQ --Stochastic effect 


337.True regarding stochastic effect 

a.effect arise by chance
b.no threshold dose
c.the risk increases linearly  with dose
d.severity of effect does not increases with dose

e.all or none effect


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MCQ- Radiation protection.

356.True regarding radiation protection.
a.annual effective dose limit for the lens of the eye for employees and public are 150 mSv and 15 mSv respectively
b.the threshold dose for cataracts  is approximately 5 Sv
c.a person at work who received a dose at or close to the dose limit would exceed the dose threshold for cataract after about 35yrs
d. annual effective dose limit for abdomen of emplyee with reproductive capacity  is 13 mSv in any consecutive 3-month period 

e. annual effective dose limit for fetus of pregnant employee is 1 mSv over declared term of pregnancy

356.abcde 

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