WorksheetsChapter 24,25,26 DA RAD review
Total questions: 15
Worksheet time: 8mins
When a sensor is linked to a wired cable this is_____________digital technique
direct
indirect
phosphor plate
halide plate
Cone beam data has a ________ratio with the anatomy.
1:3
1:1
2:1
2:2
According to the AAOMR who is qualified to perform CBCT and implant scanning?
Dental Assistant
Dental Hygienist
General Dentist with adequate training
Board Certified Radiologist
Both General Dentist and Radiologist
Digital Imaging uses a _______________to create an image
x-ray film
x-ray processor
sensor and computerized software
halide crystals
When communicating with a blind patient it is never appropriate to:
give them clear verbal direction
offer an arm to walk to treatment area
gesture in front of the blind patient
all of the above
For digital imaging the x-ray timer must be adapted to allow exposures in ________of a second.
1/5
1/2
1/10
1/100
How many shades of gray total?
300
32
256
12
How many shades of gray can the human eye discern?
50
256
32
12
The number of gray scales for each pixel is:
spatial resolution
contrast resolution
DICOM data
coronal resolution
Reversing the gray scale is known as:
digital addition
digital multiplication
digital subtraction
digital division
The reconstruction of raw data into images is:
field of view
spatial resolution
Multiplanar Reconstruction MPR
Voxel view
Metallic restorations may eliminate or hide the surrounding anatomy with the appearance of:
voxels
pixels
halides
streak artifacts
Exposure times are_________% less with digital when compared to conventional radiography.
10-20
30-40
40-50
50-90
Most digital imaging systems use a ___________________as the x-ray source
processor
conventional dental x-ray unit
beta scanner
compton processor
The term attenuation refers to:
the weakening of the beam as it passes through an object
the x-ray beam attention span
the amount of light required for x-ray imaging
the exposure button process
