2024
SC DENTAL RADIOLOGY EXAM
QUESTIONS WITH CORRECT
ANSWERS 2024
xrays are a form of ____ radiation and can ___ or ___ through the human
body and produce ___ images. - CORRECT ANSWERS-Electromagnetic
radiation ,Penetrate or pass, shadow-like
Xrays, also known as ___ , are a photographic image that can be seen on
Film/screen. - CORRECT ANSWERS-Xrays
How are xray images produced? - CORRECT ANSWERS-By directing Xray
beams, invisible straight lines traveling at constant speed and made
visible by processing the image.
How are radiographs used?? - CORRECT ANSWERS-To help dentists
prevent, monitor and diagnose potential oral health care issues in a
patients mouth before a major problem occurs.
How are xrays produced? - CORRECT ANSWERS-by a machine whose
source is energy through electricity. Xrays are invisible beams that travel
in a straight line that can pass through soft tissue and be absorbed by
dense tissue.
How can radiation effect the body? - CORRECT ANSWERS-It can effect
body tissues and cells that can carry hereditary materials for future
generations
What are the most common type of xrays?diagnose: - CORRECT
ANSWERS-Intraoral
Xrays for adults: - CORRECT ANSWERS-Decay between teeth, decay under
filling, bone loss from perio disease, problems at root (infection or death in
nerve), detect cysts, cancer or changes caused by disease.
Xrays for kids/teens: - CORRECT ANSWERS-Find decay damage to fillings,
monitor tooth growth/ development, determine if permanent teeth are
coming in properly, see if teeth are impacted and help plan, prep and
place braces.
What does NCRP stand for? What does this agency do? - CORRECT
ANSWERS-NCRP stands for National Council on Radiation Protection.
Estab. recommendations for acceptable levels of radiation exposure.
, 2024
What are MPDs? - CORRECT ANSWERS-Maximum permissible dose and
categorized for gen pop, occup. worker and pregnant women. represents
greatest amount of radiation exposure accepted as not producing
significant harmful biological effects.
Annual radiation dose limit for adults - CORRECT ANSWERS-5 rems
(0.05Sv)
How is radiation dose measured? - CORRECT ANSWERS-Measures how
much energy is absorbed when something or someone is exposed to
Xrays. The absorption of energy can cause damage to a person
2 common ways radiation is measured - CORRECT ANSWERS-At pt skin
surface (entrance surface air Kerma) and effective dose.
How is radiation dose Described? - CORRECT ANSWERS-Using the quantity
effective dose, expressed in millisievert (mSv)
What is the fatal dose of an Xray exam? - CORRECT ANSWERS-0.3 uSv
Total effective dose should not exceed ___
in a year - CORRECT ANSWERS-0.1 Rem or 1 mSv
For Natural Background Radiation , a person can be exposed from ___
every year - CORRECT ANSWERS-1-3 mSv
2 main categories of radiographs - CORRECT ANSWERS-intraoral and
extraoral
intraoral xrays allows dentist to - CORRECT ANSWERS-Find cavities, look
at tooth roots, check the health of boney area,status of developing teeth,
monitor tooth health
Bitewing Xrays are used for - CORRECT ANSWERS-Looking at crowns of
teeth and find decay between back teeth
Periaprical xrays are for - CORRECT ANSWERS-highlighting 1 or 2 teeth at
a time , shows entire length of tooth, to look for problems with tooths root
or surrounding jaw bone as well as cavities.
Occusal xrays are for - CORRECT ANSWERS-largest of xrays and highlights
tooth development and placement or localization of teeth, shows a full
arch
Extraoral Xrays are for - CORRECT ANSWERS-known as big picture xrays,
show relationship between teeth, jaw and skull, keep track of growth and
development, status of impacted teeth, less detailed then intraoral
SC DENTAL RADIOLOGY EXAM
QUESTIONS WITH CORRECT
ANSWERS 2024
xrays are a form of ____ radiation and can ___ or ___ through the human
body and produce ___ images. - CORRECT ANSWERS-Electromagnetic
radiation ,Penetrate or pass, shadow-like
Xrays, also known as ___ , are a photographic image that can be seen on
Film/screen. - CORRECT ANSWERS-Xrays
How are xray images produced? - CORRECT ANSWERS-By directing Xray
beams, invisible straight lines traveling at constant speed and made
visible by processing the image.
How are radiographs used?? - CORRECT ANSWERS-To help dentists
prevent, monitor and diagnose potential oral health care issues in a
patients mouth before a major problem occurs.
How are xrays produced? - CORRECT ANSWERS-by a machine whose
source is energy through electricity. Xrays are invisible beams that travel
in a straight line that can pass through soft tissue and be absorbed by
dense tissue.
How can radiation effect the body? - CORRECT ANSWERS-It can effect
body tissues and cells that can carry hereditary materials for future
generations
What are the most common type of xrays?diagnose: - CORRECT
ANSWERS-Intraoral
Xrays for adults: - CORRECT ANSWERS-Decay between teeth, decay under
filling, bone loss from perio disease, problems at root (infection or death in
nerve), detect cysts, cancer or changes caused by disease.
Xrays for kids/teens: - CORRECT ANSWERS-Find decay damage to fillings,
monitor tooth growth/ development, determine if permanent teeth are
coming in properly, see if teeth are impacted and help plan, prep and
place braces.
What does NCRP stand for? What does this agency do? - CORRECT
ANSWERS-NCRP stands for National Council on Radiation Protection.
Estab. recommendations for acceptable levels of radiation exposure.
, 2024
What are MPDs? - CORRECT ANSWERS-Maximum permissible dose and
categorized for gen pop, occup. worker and pregnant women. represents
greatest amount of radiation exposure accepted as not producing
significant harmful biological effects.
Annual radiation dose limit for adults - CORRECT ANSWERS-5 rems
(0.05Sv)
How is radiation dose measured? - CORRECT ANSWERS-Measures how
much energy is absorbed when something or someone is exposed to
Xrays. The absorption of energy can cause damage to a person
2 common ways radiation is measured - CORRECT ANSWERS-At pt skin
surface (entrance surface air Kerma) and effective dose.
How is radiation dose Described? - CORRECT ANSWERS-Using the quantity
effective dose, expressed in millisievert (mSv)
What is the fatal dose of an Xray exam? - CORRECT ANSWERS-0.3 uSv
Total effective dose should not exceed ___
in a year - CORRECT ANSWERS-0.1 Rem or 1 mSv
For Natural Background Radiation , a person can be exposed from ___
every year - CORRECT ANSWERS-1-3 mSv
2 main categories of radiographs - CORRECT ANSWERS-intraoral and
extraoral
intraoral xrays allows dentist to - CORRECT ANSWERS-Find cavities, look
at tooth roots, check the health of boney area,status of developing teeth,
monitor tooth health
Bitewing Xrays are used for - CORRECT ANSWERS-Looking at crowns of
teeth and find decay between back teeth
Periaprical xrays are for - CORRECT ANSWERS-highlighting 1 or 2 teeth at
a time , shows entire length of tooth, to look for problems with tooths root
or surrounding jaw bone as well as cavities.
Occusal xrays are for - CORRECT ANSWERS-largest of xrays and highlights
tooth development and placement or localization of teeth, shows a full
arch
Extraoral Xrays are for - CORRECT ANSWERS-known as big picture xrays,
show relationship between teeth, jaw and skull, keep track of growth and
development, status of impacted teeth, less detailed then intraoral
