Passive shimming involves using:
Anonymous Quiz
5%
Electric current
5%
RF pulses
89%
Steel or iron pieces
0%
Gradient coils
A surface coil can "see" to a depth of:
Anonymous Quiz
7%
Double its diameter
9%
Its full diameter
56%
Half of its diameter
28%
One-fourth its diameter
A quadrature coil consists of:
Anonymous Quiz
0%
one coils
71%
two coils
18%
three coils
11%
four coils
Quadrature coils produce how much more signal than single loop coils?
Anonymous Quiz
32%
2 times
25%
1.4 times
28%
three times
15%
half
MRI rooms are shielded from external RF interference using a:
Anonymous Quiz
3%
Lead wall
19%
Copper pipe
68%
Faraday cage
10%
Aluminum sheet
The Earth behaves like a giant:
Anonymous Quiz
17%
elctric motor
74%
par magnet
3%
battery
6%
proton
MRI can produce images in:
Anonymous Quiz
20%
axial plane only
15%
sagittal only
5%
coronal only
60%
any plane
The gyromagnetic ratio for Hydrogen is:
Anonymous Quiz
3%
21.5 MHz/T
81%
42.57 MHz/T
16%
63.8 MHz/T
0%
128 MHz/T
What happens to net magnetization (M) when B0 increases?
Anonymous Quiz
34%
It increases
9%
It decreases
34%
It stays the same
23%
It becomes zero
اول 4 ملازم تم ✅
خطة اليوم: 👇🏻
( محاضرة
نفس النمط: قراية، اختبارات الدكتور، امتحان يمي
اعتذر عن التأخير، في أمان الله brothers
خطة اليوم: 👇🏻
( محاضرة
5,6,7 ⌛⏳
نفس النمط: قراية، اختبارات الدكتور، امتحان يمي
اعتذر عن التأخير، في أمان الله brothers
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