GDAS 135 Final Exam
Mandible - CORRECT ANSWER IS What anatomical structure is moveable and made
up of a single bone?
Lateral - CORRECT ANSWER IS What Radiographic exposures is used to examine
palatal roots of the molars?
1)Maxillary Molars have 3 roots
2)Maxillary Sinus Floor is visible - CORRECT ANSWER IS When mounting
Radiographs, what info helps to distinguish maxillary molar Radiographs from
mandibular molar Radiographs?
Fixer contacts Film before processing - CORRECT ANSWER IS What will cause white
spots to appear on conventional Radiographs?
•Handled with care to avoid scratching the surface
•Disinfecting it - CORRECT ANSWER IS Proper care of phosphor plates includes?
Mandibular Canal - CORRECT ANSWER IS Which of the following anatomical
structures carries the inferior alveolar nerve and blood vessels to the lower teeth?
Alveolar Bone - CORRECT ANSWER IS What is the anatomical structures supports the
Tooth in its position in the maxilla or mandible
When a X-ray strikes an atom and the atom loses an electron - CORRECT ANSWER IS
When does ionization take place?
#2 - CORRECT ANSWER IS When exposing a Posterior Periapical radiograph on an
adult patient with no Intraoral restrictions, which size Film should be used?
Limiting Patient and Operator exposure - CORRECT ANSWER IS The most important
responsibility of the operator in Dental Radiography is?
1) PSP
2) Digital
3) Film - CORRECT ANSWER IS What are all the Image Receptors?
Radiation - CORRECT ANSWER IS The terms exposure, dose and dose equivalent
relate to measurement quantities of?
Thyroid Gland - CORRECT ANSWER IS Most sensitive organ?
, Gamma rays - CORRECT ANSWER IS What rays is capable of producing ionizing
radiation?
High kilovoltage - CORRECT ANSWER IS The power-source control settings that has
the shortest wavelength and greatest penetrating power?
What PPE will best protect a dental Radiography operator from the transmission of
disease? - CORRECT ANSWER IS Gown, gloves, mask, eyewear
Frontal Sinus - CORRECT ANSWER IS What internal anatomical landmark is not
normally seen on Intraoral radiographs?
Not take more Radiographs - CORRECT ANSWER IS The main purpose of establishing
quality assurance policies for exposing dental Radiographs is to?
-Shallow palate or tor eye (extra bone)
-Paralleling Technique isn't viable - CORRECT ANSWER IS When should a bisecting
Technique should be considered?
A plan for corrective action - CORRECT ANSWER IS What should be included in a
quality assurance policy for dental Radiographs?
Tubehead - CORRECT ANSWER IS Which part of the x-ray machine generates the x-
ray beams?
Utilize a film holder - CORRECT ANSWER IS What is recommend to help stabilize
intraoral Film when placed in the patient's mouth?
Bitewing tabs - CORRECT ANSWER IS What film holding devices is ideal for infection
control since they are disposable?
Barrier, monitoring device, and operator position - CORRECT ANSWER IS To minimize
exposure to the radiographer, the operator should employ what three types of radiation
protection methods?
Nucleus, electron shell, electrons, protons and neutrons - CORRECT ANSWER IS
What makes up an atom?
Can reduce patient exposure compared to
D-speed film - CORRECT ANSWER IS Explain why F Speed film use is advantageous
1) Light leak
2) Improper film washing - CORRECT ANSWER IS What causes of Film fogging?
Bone - CORRECT ANSWER IS What structures would appear radiopaque on a dental
radiograph?
Mandible - CORRECT ANSWER IS What anatomical structure is moveable and made
up of a single bone?
Lateral - CORRECT ANSWER IS What Radiographic exposures is used to examine
palatal roots of the molars?
1)Maxillary Molars have 3 roots
2)Maxillary Sinus Floor is visible - CORRECT ANSWER IS When mounting
Radiographs, what info helps to distinguish maxillary molar Radiographs from
mandibular molar Radiographs?
Fixer contacts Film before processing - CORRECT ANSWER IS What will cause white
spots to appear on conventional Radiographs?
•Handled with care to avoid scratching the surface
•Disinfecting it - CORRECT ANSWER IS Proper care of phosphor plates includes?
Mandibular Canal - CORRECT ANSWER IS Which of the following anatomical
structures carries the inferior alveolar nerve and blood vessels to the lower teeth?
Alveolar Bone - CORRECT ANSWER IS What is the anatomical structures supports the
Tooth in its position in the maxilla or mandible
When a X-ray strikes an atom and the atom loses an electron - CORRECT ANSWER IS
When does ionization take place?
#2 - CORRECT ANSWER IS When exposing a Posterior Periapical radiograph on an
adult patient with no Intraoral restrictions, which size Film should be used?
Limiting Patient and Operator exposure - CORRECT ANSWER IS The most important
responsibility of the operator in Dental Radiography is?
1) PSP
2) Digital
3) Film - CORRECT ANSWER IS What are all the Image Receptors?
Radiation - CORRECT ANSWER IS The terms exposure, dose and dose equivalent
relate to measurement quantities of?
Thyroid Gland - CORRECT ANSWER IS Most sensitive organ?
, Gamma rays - CORRECT ANSWER IS What rays is capable of producing ionizing
radiation?
High kilovoltage - CORRECT ANSWER IS The power-source control settings that has
the shortest wavelength and greatest penetrating power?
What PPE will best protect a dental Radiography operator from the transmission of
disease? - CORRECT ANSWER IS Gown, gloves, mask, eyewear
Frontal Sinus - CORRECT ANSWER IS What internal anatomical landmark is not
normally seen on Intraoral radiographs?
Not take more Radiographs - CORRECT ANSWER IS The main purpose of establishing
quality assurance policies for exposing dental Radiographs is to?
-Shallow palate or tor eye (extra bone)
-Paralleling Technique isn't viable - CORRECT ANSWER IS When should a bisecting
Technique should be considered?
A plan for corrective action - CORRECT ANSWER IS What should be included in a
quality assurance policy for dental Radiographs?
Tubehead - CORRECT ANSWER IS Which part of the x-ray machine generates the x-
ray beams?
Utilize a film holder - CORRECT ANSWER IS What is recommend to help stabilize
intraoral Film when placed in the patient's mouth?
Bitewing tabs - CORRECT ANSWER IS What film holding devices is ideal for infection
control since they are disposable?
Barrier, monitoring device, and operator position - CORRECT ANSWER IS To minimize
exposure to the radiographer, the operator should employ what three types of radiation
protection methods?
Nucleus, electron shell, electrons, protons and neutrons - CORRECT ANSWER IS
What makes up an atom?
Can reduce patient exposure compared to
D-speed film - CORRECT ANSWER IS Explain why F Speed film use is advantageous
1) Light leak
2) Improper film washing - CORRECT ANSWER IS What causes of Film fogging?
Bone - CORRECT ANSWER IS What structures would appear radiopaque on a dental
radiograph?
