automatic processing the encoding of information, particularly related to tme, space, and frequency of events in addition to well-learned information that occurs outside of conscious awareness and requires little attention or effort, and is of unknown capacity
the difference in degrees of blackness between adjacent areas on a dental radiograph is termeda. densityb. contrastc. subject thicknessd. diagnostic quality
A variation in the true size and shape of the object being radiographed is termeda. magnificationb. distortionc. sharpnessd. resolution
True/False;True/FalseRadiation is the emission and propatation of energy through space or a substance in the form of waves or particles. Radioactivity can be defined as the process by which certain unstable atoms or elements undergo spontaneous disintegration, or decay, in an effort to attain a more balanced nuclear state
Which of the following statements is true of general radation?a. it is also known as braking (bremsstrahlung) radiationb. it is also known as characteristic radiationc. it is the source of the majority of x-rays that are producedd. both a and c
What does ALARA stand for?
Which premolar usually has two roots?a. maxillary firstb. maxillary secondc. mandibular firstd. mandibular second
When the mouth is opened widely, the articular disk movesa. mediallyb. laterallyc. anteriorlyd. none of the above, it does not move
which tooth has the longest root?a. mandibular canineb. maxillary first premolarc. maxillary canined. maxillary central
what is the lymph drainage for the tip of the tongue?a. submandibular to facial to deep cervicalb. submental to parotid to deep cervicalc. submental to submandibular to deep cervicald. submandibular to parotid to deep cervical
Where does Stensens duct open?a. opposite the maxillary second molarsb. opposite the mandibular second molarsc. under the tongued. at the lingual foramen
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