MRI

Question 1

Cortical Bone on T1

Answer 1

very low - dark

Question 2

Cortical Bone on T2

Answer 2

very low - dark

Question 3

Red Marrow on T1

Answer 3

intermediate/low - dark

Question 4

Red Marrow on T2

Answer 4

intermediate

Question 5

Fat/yellow marrow on T1

Answer 5

high (bright)

Question 6

Fat/yellow marrow on T2

Answer 6

intermediate

Question 7

Ligaments/Tendons on T1

Answer 7

low - dark

Question 8

Ligaments/Tendons on T2

Answer 8

low - dark

Question 9

Muscle on T1

Answer 9

Intermediate

Question 10

Muscle on T2

Answer 10

intermediate

Question 11

Fluid on T1

Answer 11

low - dark

Question 12

Fluid on T2

Answer 12

high - bright

Question 13

Acute Hemorrhage

Answer 13

T1: bright, T2: dark

Question 14

Subacute Hemorrhage

Answer 14

Same on T1 and T2: mod to high (bright)

Question 15

Chronic Hemorrhage

Answer 15

Varies on T1, Bright on T2

Question 16

Contrast agent in MR imaging

Answer 16

Gadolinium

Question 17

Materials that must be excluded from presence of magnetic field

Answer 17

Ferromagnetic

Question 18

Zone I

Answer 18

outside

Question 19

Zone II

Answer 19

reception and patient holding

Question 20

Zone III

Answer 20

control room

Question 21

Zone IV

Answer 21

magnet and imaging equipment

Question 22

% of people with real claustrophobia

Answer 22

10%

Question 23

Part that trasmits and receives radiofrequency

Answer 23

RF coils