Question

*20.According to the x-ray exposure setting shown, how many exposures you need to increase in order to achieve the same film optical density when the grid with grid ratio of 8:1 is replaced with a 12:1 grid, where the x-ray generator is operating at 85 kVp? a. 5 b. 2 c. 1 d. 4 21. The best Mammography target-filter composition for getting an x-ray spectrum in the range of (10-20 keV) Rh-Rh Mo-RH MoMo-50% Glandular tissue 8 Rh-Mo 22.According to the figure shown, the relative contrast with to without scattering for a breast of diameter 20 cm and thickness 8 cm is equal to: a. 1.1 b. 0.45 c. 2.1 d. 0.7 23 The x-ray it of 8-inch diameter input phosphor (with a 2-inch output phosphor) has a brightness gain of 3200 d. 3 24. Using the model of heel effect of x ray generator shown, the relative x-ray exposure output at 0° to 15 around 260 b. 670 c. 840 Bucky Factor

          *20.According to the x-ray exposure
setting shown, how many
exposures you need to increase
in order to achieve the same
film optical density when the
grid with grid ratio of 8:1 is
replaced with a 12:1 grid, where
the x-ray generator is operating
at 85 kVp?
a. 5
b. 2
c. 1
d. 4
21. The best Mammography target-filter
composition for getting an x-ray
spectrum in the range of (10-20 keV)
Rh-Rh
Mo-RH
MoMo-50% Glandular tissue
8
Rh-Mo
22.According to the figure shown, the relative contrast with to without
scattering for a breast of diameter 20 cm and thickness 8 cm is equal to:
a. 1.1
b. 0.45
c. 2.1
d. 0.7
23 The x-ray it of 8-inch diameter input phosphor (with a 2-inch output
phosphor) has a brightness gain of
3200
d. 3
24. Using the model of heel effect of x
ray generator shown, the relative
x-ray exposure output at 0° to 15
around
260
b. 670
c. 840
Bucky Factor

*20.According to the x-ray exposure
setting shown, how many
exposures you need to increase
in order to achieve the same
film optical density when the
grid with grid ratio of 8:1 is
replaced with a 12:1 grid, where
the x-ray generator is operating
at 85 kVp?
a. 5
b. 2
c. 1
d. 4
21. The best Mammography target-filter
composition for getting an x-ray
spectrum in the range of (10-20 keV)
Rh-Rh
Mo-RH
MoMo-50% Glandular tissue
8
Rh-Mo
22.According to the figure shown, the relative contrast with to without
scattering for a breast of diameter 20 cm and thickness 8 cm is equal to:
a. 1.1
b. 0.45
c. 2.1
d. 0.7
23 The x-ray it of 8-inch diameter input phosphor (with a 2-inch output
phosphor) has a brightness gain of
3200
d. 3
24. Using the model of heel effect of x
ray generator shown, the relative
x-ray exposure output at 0° to 15
around
260
b. 670
c. 840
Bucky Factor

Added by Guillermo M.

Question

Please give Ace some feedback