Determining the vertical angulation for exposure of a cross-sectional occlusal radiograph is assisted by positioning the open end of the PID parallel to the external aiming device of the image receptor holder
Indicate whether the statement is true or false
FALSE
Explanation: An image receptor holder is not used for exposing occlusal radiographs. Determining the vertical angulation for exposure of a cross-sectional occlusal radiograph is assisted by positioning the open end of the PID parallel to the plane of the image receptor.
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A common cause of hearing loss in the elderly is presbycusis, which is defined as:
A) a progressive loss of hearing, particularly in the low frequencies, which explains why their television is turned up. B) an acute hearing impairment caused by idiopathic rupture of the tympanic membrane in the middle part of the ear. C) a degenerative condition in which the person experiences difficulty hearing both low and high frequency sounds. D) loss of high-frequency sounds and the inability to differentiate a particular sound from background noise.
A suffix that means inflammation is ________.
A. pnea B. rrhexis C. itis D. rrhagia