C:-Niobium
D:-Thulium
Correct Answer:- Option-A
Question78:-Enteroclysis is used in the evaluation of
A:-Hepatobiliary system
B:-Fallopian tubes
C:-Small bowel
D:-Thecal sac
Correct Answer:- Option-C
Question79:-SI unit of dose equivalent is
A:-Roentgens
B:-Gray
:-Rad
D:-Sievert
Correct Answer:- Option-D
Question80:-Which of the following is NOT a deterministic effect of radiation ?
A:-Skin erythema
B:-Sterility
C:-Carcinogenesis
D:-Fetal abnormality
Correct Answer:- Option-C
Question81:-Radiation worker's exposure is limited to an annual effective dose equivalent of
A:-5 mSv
-15 mSv
C:-50 mSv
D:-100 mSv
Correct Answer:-Question Cancelled
Question82:-Primary radiation barrier materials used include
A:-Concrete
-Lead
C:-Steel
D:-Any of the above
Correct Answer:- Option-D
Question83:-Personal monitoring devices include all EXCEPT
A:-Geiger Muller counter
-Film badges
C:-TLD badges
D:-Pocket dosimeters
Correct Answer:- Option-A
Question84:-X-ray radiation monitoring instruments include all EXCEPT
A:-lonization chamber
B:-Geiger Counter
C:-Neutron rem counter
D:-Photographic film
Correct Answer:- Option-C
Question85:-Therapeutic range of electrons is given by depth of ___ depth dose.
A:-70%
B:-90'
C:-80'
D:-85%
Correct Answer:- Option-B
Question86:-Field shaping is done by all EXCEPT
A:-Custom blocking
-Wedge filters
C:-Independent jaws
D:-Multi leaf collimators
Correct Answer:- Option-B
Question87:-In linear accelerator, photon beam passes from the source till the exit from gantry head in the order
A:-Primary collimator + ion chamber = filter > MLC

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