ROENT PRELIMS Exam Questions & Answers 2024/2025
RADIATION - ANSWERSA form of energy carried by waves or stream of particles
RADIATION - ANSWERSradiate
Law of conservation energy - ANSWERSenergy can neither be created nor destroyed - only converted from one form of energy to another.
...
RADIATION - ANSWERSA form of energy carried by waves or stream of particles
RADIATION - ANSWERSradiate
Law of conservation energy - ANSWERSenergy can neither be created nor destroyed - only converted
from one form of energy to another.
X-RADIATION - ANSWERSA high energy radiation produced by the collision of a beam of electrons with a
metal target in an x-ray tube
X-RADIATION - ANSWERSonly produced through the collision of fast-moving particles (electrons)
X-RAY - ANSWERSA beam of energy that has the power to penetrate substance and record image
shadows on photographic film
RADIOLOGY - ANSWERSThe study of different radiation in medicine
RADIOLOGY - ANSWERSA branch of medical science that deals with the use of x-rays, radioactive
substances and other form of radiant energy in the diagnostic and treatment of disease
RADIOGRAPH - ANSWERSA picture of film produced by the passage of x-rays through teeth and related
structures
RADIOGRAPHY - ANSWERSThe art and science of making radiographs by the exposure of film to x- rays
, DENTAL RADIOGRAPHY - ANSWERSThe making of radiograph of the teeth and adjacent structures by the
exposure of film to x-rays
DENTAL RADIOGRAPHER - ANSWERSAny person who positions, exposes, and processes dental x-ray film
USES OF DENTAL RADIOGRAPH - ANSWERS• To detect lesions, diseases and conditions of the teeth and
supporting structures that cannot be detected clinically
• To confirm or clarify suspected disease
• To localize lesions or foreign objects
o 2 types of lesions odontogenic: and non-odontogenic lesions
• To provide information during dental procedure
• To evaluate growth and development
• To illustrate changes secondary to caries,
periodontal disease and trauma
• To document the condition of the patient
at the specific time
PART I. EXPERIMENTATION PRIOR TO X- RAY DISCOVERY:
X-RAY TUBE HEAD - ANSWERS• Purely made up of glass
• Shaped special way
o It should never contain with air)
PART I. EXPERIMENTATION PRIOR TO X- RAY DISCOVERY:
JOHANN HEINRICH WILHELM GEISSLER - ANSWERS• German glass blower, built the first
vacuum tube (1838) 1895
• Geissler tube
o Used for the discovery of x-ray
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