Fluoro Mock Test C Questions With Complete Solutions
a "controlled area" is Correct Answers an area in which
radiation safety rules are enforced and the occupational exposure
of personnel is under the supervision of the radiation safety
officer
a "radiation area" is any area accessible to personnel, in which
there exists radiation at such levels that a major portion of the
body could receive in any one hour a dose in excess of Correct
Answers 5mR
a cardiac catheterization examination results in a bone marrow
dose of approx Correct Answers 190 milirads
a certain x-ray tube, at some given kVp, delivers 4mR per one
mAs at 40in distance. at 80in distance, the radiation output from
the x-ray tube in (mR/mAs) will be Correct Answers 1
a closed circuit TV system Correct Answers has all its signals
carried through cables
a correct position to wear a film badge during fluoroscopy is
Correct Answers above the apron at collar level
a device which is made up of different density filters shaped in a
step like form where each step or filter differs in density by the
square of the root of 2 is called a Correct Answers step-wedge
,a disadvantage of thermoluminescent dosimeters (TLDs) is
Correct Answers no permanent record is provided since dose is
cancelled when TLD is read
a film badge report expresses an individuals radiation dose
equivalent in Correct Answers rems
a high radiation area is any area, accessible to individuals, in
which there exists radiation at such levels that an individual
could receive in any one hour a dose to the whole body in excess
of Correct Answers 100mR
a protective curtain should be interposed between the operator
and the patient because scattered radiation exposure at 1ft from
the patient could be as high as Correct Answers 500mR per
hour
a strong correlation exists between the incidence of leukemia
and the mean radiation dose received by the Correct Answers
bone marrow
according to the california radiation control regulations all
except which of the following is defined as an occupational
dose? the dose received by any occupationally exposed person
Correct Answers for his/her own medical or dental diagnosis
all fluoro and radiographic x-ray tubes must have diagnostic
type tube housing. this means that the x-ray tube housing must
be so constructed that when the tube is operated at any of its
specified ratings, leakage radiation at a distance of 1 meter from
the target cannot exceed Correct Answers 100mR in 1 hour
, all fluoro machines must have an exposure switch that is of a
"dead man" type. this type of switch is one that stops Correct
Answers when the pressure on it is released
all of the following are possible long term somatic effects of low
level radiation exposure except Correct Answers stomach ulcers
all of the following are types of personnel monitoring devices
except Correct Answers geiger counters
all of the following effect patient exposure except Correct
Answers three phase generators
all of the following influence the table top exposure rate except
Correct Answers light in the fluoro room
all of the following must be posted in areas where x-ray
producing machines are utilized except Correct Answers each
physician's license for the healing arts
an image intensified fluoro sys is switched to the magnification
mode so that the center 6in of the input screen is now visualized
over the entire 9in diameter input screen. under automatic
brightness control which constant kVp, what relative increase in
exposure rate has occurred Correct Answers 2.25
an instrument used to expose film to precisely controlled steps
of increasing light intensity is Correct Answers sensitometer
a "controlled area" is Correct Answers an area in which
radiation safety rules are enforced and the occupational exposure
of personnel is under the supervision of the radiation safety
officer
a "radiation area" is any area accessible to personnel, in which
there exists radiation at such levels that a major portion of the
body could receive in any one hour a dose in excess of Correct
Answers 5mR
a cardiac catheterization examination results in a bone marrow
dose of approx Correct Answers 190 milirads
a certain x-ray tube, at some given kVp, delivers 4mR per one
mAs at 40in distance. at 80in distance, the radiation output from
the x-ray tube in (mR/mAs) will be Correct Answers 1
a closed circuit TV system Correct Answers has all its signals
carried through cables
a correct position to wear a film badge during fluoroscopy is
Correct Answers above the apron at collar level
a device which is made up of different density filters shaped in a
step like form where each step or filter differs in density by the
square of the root of 2 is called a Correct Answers step-wedge
,a disadvantage of thermoluminescent dosimeters (TLDs) is
Correct Answers no permanent record is provided since dose is
cancelled when TLD is read
a film badge report expresses an individuals radiation dose
equivalent in Correct Answers rems
a high radiation area is any area, accessible to individuals, in
which there exists radiation at such levels that an individual
could receive in any one hour a dose to the whole body in excess
of Correct Answers 100mR
a protective curtain should be interposed between the operator
and the patient because scattered radiation exposure at 1ft from
the patient could be as high as Correct Answers 500mR per
hour
a strong correlation exists between the incidence of leukemia
and the mean radiation dose received by the Correct Answers
bone marrow
according to the california radiation control regulations all
except which of the following is defined as an occupational
dose? the dose received by any occupationally exposed person
Correct Answers for his/her own medical or dental diagnosis
all fluoro and radiographic x-ray tubes must have diagnostic
type tube housing. this means that the x-ray tube housing must
be so constructed that when the tube is operated at any of its
specified ratings, leakage radiation at a distance of 1 meter from
the target cannot exceed Correct Answers 100mR in 1 hour
, all fluoro machines must have an exposure switch that is of a
"dead man" type. this type of switch is one that stops Correct
Answers when the pressure on it is released
all of the following are possible long term somatic effects of low
level radiation exposure except Correct Answers stomach ulcers
all of the following are types of personnel monitoring devices
except Correct Answers geiger counters
all of the following effect patient exposure except Correct
Answers three phase generators
all of the following influence the table top exposure rate except
Correct Answers light in the fluoro room
all of the following must be posted in areas where x-ray
producing machines are utilized except Correct Answers each
physician's license for the healing arts
an image intensified fluoro sys is switched to the magnification
mode so that the center 6in of the input screen is now visualized
over the entire 9in diameter input screen. under automatic
brightness control which constant kVp, what relative increase in
exposure rate has occurred Correct Answers 2.25
an instrument used to expose film to precisely controlled steps
of increasing light intensity is Correct Answers sensitometer
