all of the following affect patient exposure except:
a. 3 phase generator
b. collimation
c. target-to-panel distance
d. exposure time
a. 3-phase generators
which type of table-top material significantly reduces patient exposure:
carbon fiber
women employees: (1)1st 3 mo of preg most important (2)actual dose received by fetus<mother (3)risks to unborn baby considered small (4)no worry about sterility/child bearing
1,2,3,4
the conversion of light energy into a proportional amount of electrons is accomplished by a/an:
photocathode
The output phosphor of an image intensifier converts ________ to ________.
A. Light to electrons
B. X-rays to light
C. Electrons to light
D. X-rays to electrons
C. Electrons to light
The exposure rate in fluoro shall not exceed _________ measured 30 cm from the input phosphor.
A. 2.5 rads/min
B. 5 rads/min
C. 10 rads/min
D. 20 rads/min
B. 5 rads/min
Convert 0.6 Sv to rem
60 rem
(100 rem = 1 Sv)
Visible light:
A. Is not a part of the electromagnetic spectrum
B. Is higher energy than x-rays
C. Is lower energy than radio waves
D. None of the above
D. None of the above
when x-rays are directed toward the patient, most are:
absorbed by the patient
Radiosensitivity of tissue or cells is influenced by all of the following except:
A. Type of radiation
B. Rate of cell division
C. Type of cell
D. Differentiation stage
E. None of the above
