TOMOGRAPHY

Question 1

x-ray tech that blurs superimposed structures to show more clearly principle structures being examined

Answer 1

tomography

Question 2

X-ray tube is moving from left to right at a fulcrum and at the other end of the fulcrum as an imaging detector

Answer 2

grossman principle

Question 3

internal structure of an object can be reconstructed by multiple x ray projections of that object

Answer 3

CT scan

Question 4

what is this generation of scanner?

very narrow scanning beam called a pencil beam

single detector

took 10 slices at a given angle then shifted 1st degree and repeated, takes a lot of time

Answer 4

1st gen

Question 5

what is this generation of scanner?

fanned the beam and added multiple detectors, means faster

Answer 5

2nd gen

Question 6

what is this generation of scanner?

wider beam and a ray of detectors that goes around the patient 360 degrees

Answer 6

3rd gen

Question 7

what is this generation of scanner?

stationary detectors gantry and the patient is put inside the gantry and the X-ray tube whips around the patient with a wide fan beam

Answer 7

4th gen (modern)

Question 8

we have 2 X-ray tubes w/in the scanning gantry with a different energy unit allowing to effectively separate tissues of different densities

used for delineating calcium crystals from sodium urate crystals

Answer 8

dual energy CT scanning