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Mock Fluoro Exam Test

Enter the letter for the matching Answer
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1.
Of the following fluoroscopic methods which is responsible for patient dose reduction of up to 95%? a. video tape recorder b. cinefluorography c. video disc recorder d. routine fluorography
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2.
Which is NOT a regulatory provision of ABS units by state provisions for quality assurance of an AEC II? a. mA & kVp meters checked weekly b. input phosphor must be min of 6" and max 9" c. exposure rates must be visible d. collimation is required
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3.
What is the ratio between the vertical lines and the horizontal lines on the TV monitor called? a. Kell factor b. conversion factor c. aspect factor d. band pass factor
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4.
The standard internation unit for absorbed dose is: a. joule b. erg c. sievert d. gray
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5.
A fluoro system equipped w/an ABC mechanism w/the x-ray tube below table, moving the II away from the patient will: a. incr patient dose b. incr the size of the rad field at the table top c. decr patient dose d. reduce image size of an anatomic structure
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6.
Which of the following is considered a stochastic effect? a. radiation syndromes b. erythematic c. cataracts d. cancer
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7.
The greatest amount of scattered radiation is produced at an angle of ____ degrees to the primary beam: a. 115 b. 180 c. 135 d. 90
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8.
The apparent improvement that the fluoroscopist observes w/II from conventional fluoro screens is a result of increase visual acuity of: a. scotopic b. night vision c. photopic d. peripheral vision
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9.
Which of the following serves as the primary protective barrier for a dedicated C-arm unit? a. primary wall barriers b. input phosphor of the II c. the patient d. led curtain hanging from the II
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10.
CA Radiation Control Regulations require that the individual radiation monitoring records shall be preserved by the employer after termination of employment of a technologist:
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11.
The ability of the eye to form and recognize an image is termed: a. binocular vision b. acuity c. accomodation d. integration
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12.
When performing fluoro procedures the amount of scattered radiation rec'd by the operator is proportional to: a. the intensity from the tube b. the dose rec'd by the patient c. the kVp seeting used d. size of the field
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13.
If only one personnel monitoring device is worn, it must be located: a. under the apron at gonadal level b. outside the apron at collar level c. anywhere you want d. under the apron at collar level
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14.
The ability to distinguish separate objects in line pairs per mm is called: a. resolving power b. detail c. enhanced contrast d. brightness
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15.
When using surveying equipment to monitor the radiation exposure, the monitors operate on the principle of: a. fluorescence b. ionization c. luminescence d. thermo luminescence
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16.
During cinefluorography, the patient dose is directly proportional to the: a. time of exposure b. size of the frame c. frames per second d. all of the answers are correct
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17.
The component in the II that changes the field of view from the standard to the magnification mode is the: a. ionization chamber b. photocathode c. output phosphor d. electrostatic lenses
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18.
The protective curtain hanging from the fluoro tower must have a minimum lead equivalent of: a. 0.25 mm Pb b. 2.5 mm Pb c. 2.5 mm Al d. 1.5 mm Al
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19.
During fluoroscopic imaging you can reduce patients dose by: a. moving the source further away b. increasing exposure time c. moving the source closer d. decreasing kVp
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20.
The purpose of a 5 minute timer is to: a. terminate the exposure b. open the circuit c. protect the operator d. protect the patient
A.
c. photopic vision
B.
b. input phosphor of the image intensifier
C.
a. moving the source further away
D.
b. acuity
E.
b. Input phosphor must be a min of 6" and max of 9"
F.
a. 0.25 mm Pb
G.
d. all of the answers are correct
H.
d. gray
I.
a. increase patient dose
J.
d. protect the patient
K.
b. the dose rec'd by the patient
L.
b. outside the apron at collar level
M.
d. electrostatic lenses
N.
See Next
O.
c. video disc recorder
P.
d. cancer
Q.
a. Kell factor
R.
b. detail
S.
c. 135
T.
b. ionization
Type the Answer that corresponds to the displayed Question.
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21.
The chief danger to the operator during fluoro exam is possible exposure to the scattered radiation coming primarily from the: a. patient's body b. radiologist c. fluoro tower d. table
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22.
If a protective apron of 0.25 mm lead is worn what is the typical exposure reduction? a. 97.5% b. 55% c. 87% d. 99.9%
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23.
The reason for personnel monitoring is to document that no one receives more than: a. MPD equivalent b. 1/10 MPD c. 1.25 per quarter d. 5000 MR
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24.
The brightness of the center of the image compared to the brightness of the periphery is a function of: a. resolution b. conversion factor c. contrast d. flux gain
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25.
A film badge report expresses an individuals dose equivalent in: a. rems b. rads c. ergs d. roentgens
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26.
A switch which requires direct pressure to close the circuit is called a: a. toggle switch b. mAs timer c. circuit breaker d. dead-man switch
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27.
All fluoro and radiographic x-ray tubes must have "diagnostic type tube housing" meaning the leakage radiation at one meters distance may not exceed ___ mR per hour: a. 10 b. 25 c. 100 d. 50
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28.
The maximum exposure to a technologist standing one foot from the table during a barium enema is: a. 400-500 mR/hr b. 50-100 mR/hr c. 2-5 mR/hr d. 200-400 mR/hr
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29.
A measurement of 100 erg/gram is equal to which of the following? a. 1 gray b. 1 rad c. 1 R d. 1 rem
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30.
The maximum permissible dose for a gravid technologist is? a. 500 mRem b. 500 rad c. 5000 mRem d. 5 R

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