1. If T2 for gray matter is 100 msec at 1.5 T, it’s value for 3...

1. If T2 for gray matter is 100 msec at 1.5 T, it’s value for 3 T is most likely:

a) 50

b) 70

c) 100

d) 140

e) 200

2.If transverse magnetization is Mxy the free induction decay signal is proportional to:

a) (Mxy)-1

b) (Mxy)-0.5

c) (Mxy)0.5

d) (Mxy)1

e) Independent of Mxy

Solutions

Expert Solution

1. If T2 for gray matter is 100 msec at 1.5 T, it’s value for 3 T is most likely:

Ans : If 1.5 T = 100

Then 3 T = 200

So answer is E ) 200.

2. If transverse magnetization is Mxy the free induction decay signal is proportional to:

Ans : d) Independent of Mxy

Nightingale answered 2 years ago

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