CT Quiz 2/5/15

Question 0

◾️where pt lies and is moved within the gantry
◾️aka couch
◾️must be accurate and reliable
◾️determines the extent a patient can be scanned without positioning
◾️Moves within gantry by incrementation, feed, step, or index

Answer 0

Table

Question 1

The opening of gantry

Answer 1

Aperture

Question 2

Ring shaped structure containing many components

Answer 2

Gantry

Question 3

◾️used to restrict the beam to a specific area of interest only
◾️effects both pt dose and image quality

Answer 3

Collimator Assembly

Question 4

Responsible for computing at least thousands of equations so an image can be created

Answer 4

Computer

Question 5

◾️measures the photons that pass through the patient and strike the detectors
◾️converts analog signal from the detector into a digital signal

Answer 5

Data Acquisition System

Question 6

Where the technologist programs the whole exam

Answer 6

Operators (system) Console

Question 7

Collects information regarding the degree to which each anatomical structure attenuated the beam

Answer 7

Detector

Question 8

◾️reduce radiation dose to Pt and help minimize image artifacts
◾️improves image quality
◾️Reduces range of X-ray that reach the patient by removing the long wave length X-rays

Answer 8

Filters

Question 9

Attaches to the table for cranium exams

Answer 9

Cradle