HMI 101 EXAM | 97 QUESTIONS |
WITH ACTUAL ANSWERS!!
1 of 97
Term
To reduce object magnification in a radiograph it is important to:
Give this one a try later!
Decreases as the square of the Use a small object to image
distance distance
, The light field accuracy is
From the L shell to the K shell
unacceptable since 2% is 2cm.
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2 of 97
Term
In binary arithmetic the sum of 1002 and 1102 is:
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Linear (proportionally) 1010 (subscript) 2
Valence band Time, distance, shielding
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3 of 97
Term
On the 10,000rpm/0.6mm system at 100kVp and 300mA which
exposures are safe:
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, FUNK phantom 0.1s
0.8 s 3.3%
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4 of 97
Term
The Regulatory Standards require a measured Focal Spot size to be
within 40% of a nominal Focal spot size between 0.8 - 1.5mm
Give this one a try later!
Use a small object to
image distance Our Broad focus does comply.
Do nothing. The radiolysis of water
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, 5 of 97
Term
If a PA chest exam gives an average organ absorbed dose of 100
uGy, the Effective Dose is:
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18 Ohm AP dose / 8
240 uGy 27 uSv
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6 of 97
Term
How does the probability of an x-ray undergoing photoelectric
absorption change with the atomic number (z) of a tissue?
Give this one a try later!
No change. AP dose / (1.44*8=11.52)
Proportional to Z^3 Increase the Al eq.
WITH ACTUAL ANSWERS!!
1 of 97
Term
To reduce object magnification in a radiograph it is important to:
Give this one a try later!
Decreases as the square of the Use a small object to image
distance distance
, The light field accuracy is
From the L shell to the K shell
unacceptable since 2% is 2cm.
Don't know?
2 of 97
Term
In binary arithmetic the sum of 1002 and 1102 is:
Give this one a try later!
Linear (proportionally) 1010 (subscript) 2
Valence band Time, distance, shielding
Don't know?
3 of 97
Term
On the 10,000rpm/0.6mm system at 100kVp and 300mA which
exposures are safe:
Give this one a try later!
, FUNK phantom 0.1s
0.8 s 3.3%
Don't know?
4 of 97
Term
The Regulatory Standards require a measured Focal Spot size to be
within 40% of a nominal Focal spot size between 0.8 - 1.5mm
Give this one a try later!
Use a small object to
image distance Our Broad focus does comply.
Do nothing. The radiolysis of water
Don't know?
, 5 of 97
Term
If a PA chest exam gives an average organ absorbed dose of 100
uGy, the Effective Dose is:
Give this one a try later!
18 Ohm AP dose / 8
240 uGy 27 uSv
Don't know?
6 of 97
Term
How does the probability of an x-ray undergoing photoelectric
absorption change with the atomic number (z) of a tissue?
Give this one a try later!
No change. AP dose / (1.44*8=11.52)
Proportional to Z^3 Increase the Al eq.
