2025 Final RDA Texas exam With
Correct Verified Solutions.
Dental Radiology - Answer use of radiant energy in diagnosis/ treatment of diseases in head
or neck
Radiograph - Answer shadow picture produced by images of teeth and tissues by means or
x-radiation
Dental radiography - Answer photographically recording images of teeth and surrounding
structures through x-radiation
Periapical - Answer records entire tooth
Interproximal ( bitewing) - Answer records equally crowns of maxillary and mandibular teeth
Occlusal - ON TEST - Answer visualizes major portion of maxillary and mandibular on one
film
Panoramic - Answer entire maxillary and mandibular and boney structures
Extra oral - Answer panoramic, cephlometric
Cephlometric - Answer takes measurements for tooth movement
Radiolucent - ON TEST - Answer medium grey to black, more radiation passes through
Radiopaque - ON TEST - Answer white/ light grey, radiation absorbed DOES NOT reach film
Beam indication device ( BID ) - Answer extension of tubehead, indicates position, direction
and size of radiation field
, Tubehead - Answer produces x-ray
Central ray CR - Answer beam of x-rays through center of BID
Vertical angulation - Answer vertical with CR above or below the occlusal
Positive vertical angle - Answer CR directed down towards occlusal
Negative vertical angle - Answer CR directed upward towards occlusal
Occlusal plane - Answer horizontal from wall to wall between maxillary and mandibular
teeth parallel to the floor
Horizontal angulation - Answer tubehead in horizontal position
Midsagittal plane - Answer vertical from floor to ceiling through middle of head
Who should be the only ones in the room during a x-ray - ON TEST - Answer operator and
patient
What is required for x-rays - Answer lead apron
What should the operator due to prevent radiation - Answer stand 6ft away and not in direct
line of x-ray
What is PPE - Answer Personal Protection Equipment
Infection control in darkroom - ON TEST - Answer place film on covered workspace, change
gloves before opening film, remove gloves before handling developed film
Factors in image quality, 3 - Answer is the image sharp, same size as object, and same shape
as object
Correct Verified Solutions.
Dental Radiology - Answer use of radiant energy in diagnosis/ treatment of diseases in head
or neck
Radiograph - Answer shadow picture produced by images of teeth and tissues by means or
x-radiation
Dental radiography - Answer photographically recording images of teeth and surrounding
structures through x-radiation
Periapical - Answer records entire tooth
Interproximal ( bitewing) - Answer records equally crowns of maxillary and mandibular teeth
Occlusal - ON TEST - Answer visualizes major portion of maxillary and mandibular on one
film
Panoramic - Answer entire maxillary and mandibular and boney structures
Extra oral - Answer panoramic, cephlometric
Cephlometric - Answer takes measurements for tooth movement
Radiolucent - ON TEST - Answer medium grey to black, more radiation passes through
Radiopaque - ON TEST - Answer white/ light grey, radiation absorbed DOES NOT reach film
Beam indication device ( BID ) - Answer extension of tubehead, indicates position, direction
and size of radiation field
, Tubehead - Answer produces x-ray
Central ray CR - Answer beam of x-rays through center of BID
Vertical angulation - Answer vertical with CR above or below the occlusal
Positive vertical angle - Answer CR directed down towards occlusal
Negative vertical angle - Answer CR directed upward towards occlusal
Occlusal plane - Answer horizontal from wall to wall between maxillary and mandibular
teeth parallel to the floor
Horizontal angulation - Answer tubehead in horizontal position
Midsagittal plane - Answer vertical from floor to ceiling through middle of head
Who should be the only ones in the room during a x-ray - ON TEST - Answer operator and
patient
What is required for x-rays - Answer lead apron
What should the operator due to prevent radiation - Answer stand 6ft away and not in direct
line of x-ray
What is PPE - Answer Personal Protection Equipment
Infection control in darkroom - ON TEST - Answer place film on covered workspace, change
gloves before opening film, remove gloves before handling developed film
Factors in image quality, 3 - Answer is the image sharp, same size as object, and same shape
as object
