Radiology

Question 1

When something is hypoechoic, that means that it appears…

Answer 1

Darker than the comparative organ

Question 2

When a tissue is hyperechoic, what shade is it usually?

Answer 2

Lighter by comparison (more white)

Question 3

What color is something when it is anechoic under ultrasound?

Answer 3

Black

Question 4

What substance is best viewed with a T1WI and T2WI imaging modality? What color is it in each view? (MRI)

Answer 4

Fluids; black in T1, white in T2

Question 5

What MRI imaging modality is best for viewing strokes?

Answer 5

Diffusion Weighted Imaging

Question 6

When the gray matter is grey (intermediate signal), white matter is whitish (hyperintense signal), and the CSF is black (low signal intensity), what weighted sequence is used (MRI)?

Answer 6

T-1

Question 7

When the gray matter is grey (intermediate signal), white matter is dark (hypointense signal), and the CSF is white (high signal intensity), what weighted sequence is used (MRI)?

Answer 7

T-2 weighted

Question 8

When fluids are black, grey matter is gray and white matter is white, and the fat and bone surrounding the brain is BLACK, what weighted sequence is used (MRI)?

Answer 8

Flair; similar to T1, except white matter is much darker and bone is black