CT QUESTIONS WITH ACCURATE ANSWERS
___________________ are the two main components of the CT Computer correct
answer Microprocessor and primary memory
__________________means data can be stored or accessed at random from
anywhere in main memory in approximately equal amounts of time correct
answer RAM
_______ratio results in extended imaging and reduced patient dose correct
answer 2:1
_______ratio results in overlapping images and higher patient dose correct
answer .5:1
___% of x-ray incidents on detector are absorbed and contribute to the output
signal correct answer 90
A longitudinal or transverse plane that is at an angle or slant and not parallel to
the sagittal, coronal or horizontal planes. correct answer Oblique
A longitudinal plane dividing the body into anterior and posterior portions correct
answer Coronal
A longitudinal plane dividing the body into right and left portions correct answer
Sagittal
, A measure of degree of blurring at the interface of geometric structures correct
answer Spatial Resolution
A multi-slice pitch of 1:1, the sensitivity profile is about ___% wider than in
conventional CT correct answer 10
Air and lower density material correct answer black
Air has a CT value of correct answer -1000
Alan Cormack shared the Nobel Prize in Physics with Hounsfield in correct answer
1979
allows for the best heat dissipation correct answer High speed rotor
Allows the superimposition structure to be blurred and thus leaving the area of
interest in maximum focus correct answer Axial tomography
An arrangement of cells in rows and columns correct answer Image matrix
Anode cooling rate is _______ per minute correct answer 1 MHU
Anode heat storage capacity correct answer 8 MHU
Approximately ____ kW power is necessary for a multislice unit. correct answer
50
___________________ are the two main components of the CT Computer correct
answer Microprocessor and primary memory
__________________means data can be stored or accessed at random from
anywhere in main memory in approximately equal amounts of time correct
answer RAM
_______ratio results in extended imaging and reduced patient dose correct
answer 2:1
_______ratio results in overlapping images and higher patient dose correct
answer .5:1
___% of x-ray incidents on detector are absorbed and contribute to the output
signal correct answer 90
A longitudinal or transverse plane that is at an angle or slant and not parallel to
the sagittal, coronal or horizontal planes. correct answer Oblique
A longitudinal plane dividing the body into anterior and posterior portions correct
answer Coronal
A longitudinal plane dividing the body into right and left portions correct answer
Sagittal
, A measure of degree of blurring at the interface of geometric structures correct
answer Spatial Resolution
A multi-slice pitch of 1:1, the sensitivity profile is about ___% wider than in
conventional CT correct answer 10
Air and lower density material correct answer black
Air has a CT value of correct answer -1000
Alan Cormack shared the Nobel Prize in Physics with Hounsfield in correct answer
1979
allows for the best heat dissipation correct answer High speed rotor
Allows the superimposition structure to be blurred and thus leaving the area of
interest in maximum focus correct answer Axial tomography
An arrangement of cells in rows and columns correct answer Image matrix
Anode cooling rate is _______ per minute correct answer 1 MHU
Anode heat storage capacity correct answer 8 MHU
Approximately ____ kW power is necessary for a multislice unit. correct answer
50
