⟩ What is central traits?
central traits according to Allport, the core traits, usually five to ten, that best describe a person’s personality, they are generalized across situations and readily noticeable by others
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The standard film size used for adult bitwings and posterior periapicals is numbera. 1b. 2c. 4d. 0
which component of the tubehead aims and shapes the x-ray?a. metal housingb. tubehead sealc. aluminum disksd. position-indicating device
Identify the angulation of the central ray when using the bisecting angle techniquea. 90 degrees to the imaginary bisectorb. 90 degrees to the filmc. 90 degrees to the long axis of the toothd. 90 degrees to the contact area
Identify the x-rays that are most likely absorbed by the skin, thus causing x-ray injurya. deep, penetrating x-raysb. aluminum-filtered x-raysc. long-wavelength x-raysd. short-wavelenght x-rays
The dental x-ray beam consists of photon of many different wavelengths, with the shortest wavelength (quality) photons determined bya. milliamperage (mA)b. kilovoltage (kVp)c. the timerd. Coefficiency of attenuation
identify which of the following is true concerning radiation injurya. all radiation injuries are evident immediatelyb. x-ray radiation only injures somatic cellsc. acute injury due to dental x-radiation exposure is commond. cumulative effects of x-radiation exposure lead to health problems
If the distance from the source to the object is tripled, the intensity of the x-ray beam at the new distance would bea. one ninth the original distanceb. one sixth the original distancec. one third the original distanced. one half the original distance
The paralleling technique using the extension cone, compared with the bisecting angle technique, involvesa. greater vertical angulationb. greater object-to-film distancec. shorter developing timed. shorter anode-to-film distancee. all the above
if the operator wants to change from the long-scale (low contrast) film technique to a short-scale (high contrast) film technique and maintain the same density of the film, what should be done?a. decrease kVp and the mAb. decrease the kVp and increase the mAc. increase the kVp and the mAd. increase the kVp and decrease the mAe. increase the kVp and use the same mA
when using the bisecting angle technique, directing the x-ray beam perpendicular to the long axis of the teeth causesa. an overlapping of tooth imagesb. a reduction of tooth imagesc. a foreshortening of tooth imagesd. an elongation of tooth imagese. a decrease in the penumbra formation
