Relatiionshipes

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Last updated 4:23 PM on 8/12/26
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12 Terms

1
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Short SID → more divergence → more magnification → more blur →____ spatial resolution

decrease

2
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Long SID → less magnification → less blur → ___ spatial resolution

increased

3
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Patient thickness ____ → attenuation ___ → ____ exposure is needed

increases, increases, more

4
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OID ______ → magnification ___ → spatial resolution ____

increase, increase, decrease

5
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Anode angle ↓ → ____________→ spatial resolution ↑

effective focal spot ↓

6
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Anode angle ↓

heel effect ↑

7
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Field size ↑

heel effect more noticeable

8
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SID ↓

heel effect more noticeable

9
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mAs ↑ → receptor exposure ↑ → quantum noise ↓

SNR increases

10
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kVp ↑ → penetration ↑ → scatter ↑

subject contrast decreases

11
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Matrix ↑ with same FOV → pixel size ↓

spatial resolution increases

12
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FOV ↑ with same matrix → pixel size ↑

Spatial resolution decreases