Air kerma the initial kinetic energy of the primary ionizing particles (photoelectrons, Compton electrons, positron/negatron pairs from photon radiation, and scattered nuclei from fast neutrons) produced by the interaction of the incident uncharged radiation in a small volume of air, when it is irradiated by an x-ray beam. Unit of measure is Gray.
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
The most common artery used for determing pulse rate in the conscious adult isa. radialb. brachialc. femorald. external carotide. superficial temporal
the mitral valve seperates thea. left atrium from the aortab. left atrium from the ventriclec. left atrium from the pulmonary veind. right atrium from the right ventricle
which gland secretes serous saliva ONLY?a. parotidb. sublingualc. submandibular
the suture between the premaxilla and the palatine process of the maxilla lies betweena. central incisorsb. central and lateral incisorsc. laterla incisor and canined. canine and first premolar
the nasopalatine nerve enters the oral cavity by way of thea. mental foramenb. incisive foramenc. pterygopalatine foramend. lesser palatine
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