Radiology 1
The person who discovered X-rays.
Who is Wilhelm Roentgen?
Film detail is known as
What is resolution?
Methods of acquiring a digital image
What are Direct CCD capture and PSP capture?
The dental record is a legal document
What is true?
ALARA
What is As Low As Reasonably Achievable?
The metal used for the target in the x-ray tube.
What is tungsten?
Cause film to turn black.
What is daylight?
Primary substance CCD made of
What is silicon?
Informed consent is based on the concept that a patient receives
What is complete disclosure?
The time between exposure to radiation and the first clinical observable symptoms
What is latent period?
Should be done to INCREASE the QUANTITY of free electrons inside the tube so that more X-rays can be generated.
What is increase the kilovoltage?
Appearance of processed, unexposed film
What is clear?
Panoramic x-rays used for
What is general survey of patient oral cavity, confirmation of mandibular fractures, and detection of impacted teeth?
The nasal______ is a vertical bony wall or partition that divides the nasal cavity into right and left nasal fossae.
What is the nasal septum?
The most sensitive facial tissue to radiation exposure during radiographic survey
What is the eye?
The most penetrating X-rays have
What are short wavelengths?
Cause of herringbone pattern on a processed radiograph
What is film placed backward in the mouth?
Pixel stands for
What is picture element?
The ghost image of the spine, seen as a radiopaque band in the center of the panoramic image, is due to positioning the patient
What is in a slumped position?
Effects of radiation on all cells except the reproductive cells
What is somatic effects?
Milliamperage controls
What is heating of the cathode?
A blurred image
What is patient movement?
Intensifying screens
What is, decrease exposure time of extraoral films?
The imaginary line that passes from the bottom of the eye socket through the top of the ear canal is termed the
What is the Frankfort plane?
Gag reflex
What is a body defense mechanism?