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Which factor will improve axial resolution?
Suggested Answer: B
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Comprehensive and Detailed Explanation From Exact Extract:
Axial resolution depends on spatial pulse length (SPL), which is determined by the number of cycles per pulse. Fewer cycles per pulse shorten the SPL, thereby improving axial resolution and allowing better separation of closely spaced structures along the beam axis.
According to sonography instrumentation reference:
''Axial resolution improves with fewer cycles per pulse, which decreases the spatial pulse length and allows better discrimination of structures along the beam path.''
Therefore, the correct answer is B: Reducing the number of cycles per pulse.
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21 comments · newest first
JU
Juliann
2 days ago
Right! B is clear and effective for axial resolution.
CH
Charlene
7 days ago
D definitely won't help. Lower frame rate is bad.
FR
Francesco
12 days ago
C seems irrelevant. Gray-scale doesn't affect resolution.
RI
Ricki
17 days ago
A might help, but B is more direct for resolution.
MI
Miriam
22 days ago
But what about A? Increasing the focal zone could help too.
FR
Freida
28 days ago
Agreed! Fewer cycles mean better resolution.
JU
Juliann
1 month ago
I think B is the best choice.
MI
Mitsue
1 month ago
Not sure about that, seems too simple to just reduce cycles.
DA
Daniela
1 month ago
Increasing the focal zone actually helps too!
FL
Florinda
2 months ago
Wait, changing the gray-scale map doesn't affect resolution, right?
CH
Chu
2 months ago
I totally agree with that!
DU
Dusti
2 months ago
Reducing the number of cycles per pulse is key!
AU
Audry
2 months ago
Not sure about that, seems too simple to just reduce cycles.
MY
Myra
2 months ago
Increasing the focal zone actually helps too!
LA
Lakeesha
2 months ago
Wait, changing the gray-scale map doesn't affect resolution, right?
AL
Alida
3 months ago
I totally agree with that!
DA
Daniel
3 months ago
Reducing the number of cycles per pulse is key!
SH
Sheldon
3 months ago
Changing the gray-scale map seems unrelated to axial resolution, but I could be mistaken. I need to double-check that.
GW
Gwen
3 months ago
I practiced a similar question where reducing cycles was the right answer for better resolution. I hope that's the case here too!
LA
Lai
3 months ago
I remember something about the focal zone, but I can't recall if increasing it actually improves axial resolution or not.
EL
Elke
4 months ago
I think reducing the number of cycles per pulse might help with axial resolution, but I'm not entirely sure.