CT, MRI, PET Scans || 100% Errorless.
CT or CAT scan correct answers Computed Tomography =
PET scan correct answers Positron Emission Tomography
MRI scan correct answers Magnetic Resonance Imaging
Common Imaging Techniques correct answers Plain Films="x-rays", ionizing
Fluoroscopy="real-time" x-ray, ionizing (uses dye)
Computed Tomography=cross sectional "slices" of the living body, ionizing
PET Scanning-nuclear medicine study, ionizing
Ultrasound= sound wave "echoes", nonionizing
Magnetic Resonance=powerful magnet, nonionizing
Axial (horizontal)
Others - sagittal, coronal correct answers Standard cross sectional imaging view:
How to look at a CT scan correct answers
Decreased
Increased correct answers In a CT scan - black areas are said to have ______ attenuation and
white areas have ______ attentuation
Metal = +1000
Air = -1000
Water = 0 correct answers In CT, which has a higher Hounsfield Unit (HU) reading? Metal or
Air? What is water?
5-7 mm cuts correct answers A CT scan produces many different tomograms (slices through the
body) that are normally ____ mm
1-1.5 mm cuts correct answers Tomograms in High Resolution CT (HRCT) use thinner _____
mm tomograms
Spriral (helical) CT
This is the standard nowadays correct answers ______ CT - uses a continuously rotating x-ray
source and detector that allows data to be collected in a single breath
CT or CAT scan correct answers Computed Tomography =
PET scan correct answers Positron Emission Tomography
MRI scan correct answers Magnetic Resonance Imaging
Common Imaging Techniques correct answers Plain Films="x-rays", ionizing
Fluoroscopy="real-time" x-ray, ionizing (uses dye)
Computed Tomography=cross sectional "slices" of the living body, ionizing
PET Scanning-nuclear medicine study, ionizing
Ultrasound= sound wave "echoes", nonionizing
Magnetic Resonance=powerful magnet, nonionizing
Axial (horizontal)
Others - sagittal, coronal correct answers Standard cross sectional imaging view:
How to look at a CT scan correct answers
Decreased
Increased correct answers In a CT scan - black areas are said to have ______ attenuation and
white areas have ______ attentuation
Metal = +1000
Air = -1000
Water = 0 correct answers In CT, which has a higher Hounsfield Unit (HU) reading? Metal or
Air? What is water?
5-7 mm cuts correct answers A CT scan produces many different tomograms (slices through the
body) that are normally ____ mm
1-1.5 mm cuts correct answers Tomograms in High Resolution CT (HRCT) use thinner _____
mm tomograms
Spriral (helical) CT
This is the standard nowadays correct answers ______ CT - uses a continuously rotating x-ray
source and detector that allows data to be collected in a single breath
