Review

Question 0

WHAT IS CONTRAST RESOLUTION?

Answer 0

THE ABILITY TO DIFFERENTIATE SMALL DIFFERENCES IN DENSITY ON THE IMAGE

Question 1

WHAT ARE THE 5 KEY INFLUENCES ON CT PARAMETER SELECTION?

Answer 1

CONTRAST RESOLUTION
SPATIAL RESOLUTION
TEMPORAL RESOLUTION
NOISE
DOSE

Question 2

TYPICALLY, TISSUES WITH DIFFERENCES IN DENSITY OF ____ CAN BE DIFFERENTIATED WITH CT.

Answer 2

0.5%

Question 3

DENSITY DIFFERENCES ON THE ORDER OF ____ ARE REQUIRED IN ORDER FOR TISSUES TO BE DIFFERENTIATED WITH CONVENTIONAL RADIOGRAPHY

Answer 3

10%

Question 4

WHAT IS SPATIAL RESOLUTION?

Answer 4

IS A MEASURE OF THE SIZE OF THE SMALLEST OBJECT THAT CAN BE VISUALIZED IN A IMAGE.

Question 5

SPATIAL RESOLUTION IS AFFECTED BY?

Answer 5

GEOMETRIC FACTORS OF THE SCANNER SUCH AS FOCAL SPOT SIZE, THE DETECTOR APERTURE SIZE, THE FOCAL SPOT TO PATIENT DISTANCE AND THE PATIENT TO DETECTOR DISTANCE

Question 6

WHAT ARE SOME OF THE FACTORS THAT WE ARE ABLE TO DIRECTLY CONTROL WHICH AFFECT SPATIAL RESOLUTION?

Answer 6

SLICE THICKNESS, AS WELL AS RECONSTRUCTION FACTORS WHICH INCLUDE THE DISPLAY FOV, THE IMAGE MATRIX AND RECONSTRUCTION FILTER

Question 7

WHAT IS TEMPORAL RESOLUTION?

Answer 7

REFERS TO THE PRECISION OF A MEASUREMENT WITH RESPECT TO TIME