Simulator Design Flashcards
1
Q
collimator can rotate ? degrees
A
220 deg
2
Q
small focal spot no greater than
A
no > 0.6 mm
3
Q
image intensifier receives & processes what
A
created image
4
Q
slip rings are located where
A
x-ray tube & detector
5
Q
as size increases on aperture, so do/does ?
A
- # of detectors,
- pt dose
- time
6
Q
solid state detector converts
A
radiation to light
7
Q
tissue density is related to
A
Z
8
Q
Godfrey Hounsfeld invented
A
CT (1973)
9
Q
occup recommendations ?/wk
A
1 mSv
10
Q
gen pub recommendations ?/wk
A
0.02 mSv
11
Q
P is what
A
permissible level
12
Q
beam restricting diaphragms how thick
A
2-3 mm Pb
13
Q
fiducial plate aka
A
reticule, gradicule
14
Q
a pixel is a ? representation
A
2D
15
Q
U is the time the machine is
A
normally aimed at wall or ceiling
16
Q
U factor for walls/ceiling is
A
1/4
17
Q
U factor for floors is
A
1
18
Q
T is how the area on other side of wall is
A
used
19
Q
W is ? times ?
A
current (mA) x time
