1
DENTAL RADIOGRAPHY TERMS
QUESTIONS AND ANSWERS |
GUARANTEED PASS
ALARA Concept - Correct Answer-concept of radiation
protection that states that all exposures should be kept "as
low as reasonably achievable"
Anode - Correct Answer-A positive electrode in the x-ray
tube
Atom - Correct Answer-basic unit of matter
Cathode - Correct Answer-negative electrode of the x-ray
tube
Central Ray - Correct Answer-X-ray at center of beam
Contrast - Correct Answer-Differences in degrees of
blackness on a radiograph
Control Panel - Correct Answer-The portion of the X-Ray unit
1
, 2
that contains the master switch, the indicator light, the
selector
2
, 3|Page
buttons, and the exposure
button
Density - Correct Answer-The overall darkness or blackness
of a
radiograph
Dental Radiography - Correct Answer-the process of making
radiographs of the teeth and adjacent structures by exposure
of radiographs
Distortion - Correct Answer-Change in the size of an image
on a radiograph caused by incorrect vertical angulation
Dose - Correct Answer-the amount of energy absorbed by
tissues
Electron - Correct Answer-A negatively charged particle that
is found outside the nucleus of an
atom
Energy - Correct Answer-the ability to do work
Extension Arm - Correct Answer-Flexible arm that is attached
to the x-ray
tubehead
3|P age
DENTAL RADIOGRAPHY TERMS
QUESTIONS AND ANSWERS |
GUARANTEED PASS
ALARA Concept - Correct Answer-concept of radiation
protection that states that all exposures should be kept "as
low as reasonably achievable"
Anode - Correct Answer-A positive electrode in the x-ray
tube
Atom - Correct Answer-basic unit of matter
Cathode - Correct Answer-negative electrode of the x-ray
tube
Central Ray - Correct Answer-X-ray at center of beam
Contrast - Correct Answer-Differences in degrees of
blackness on a radiograph
Control Panel - Correct Answer-The portion of the X-Ray unit
1
, 2
that contains the master switch, the indicator light, the
selector
2
, 3|Page
buttons, and the exposure
button
Density - Correct Answer-The overall darkness or blackness
of a
radiograph
Dental Radiography - Correct Answer-the process of making
radiographs of the teeth and adjacent structures by exposure
of radiographs
Distortion - Correct Answer-Change in the size of an image
on a radiograph caused by incorrect vertical angulation
Dose - Correct Answer-the amount of energy absorbed by
tissues
Electron - Correct Answer-A negatively charged particle that
is found outside the nucleus of an
atom
Energy - Correct Answer-the ability to do work
Extension Arm - Correct Answer-Flexible arm that is attached
to the x-ray
tubehead
3|P age
