Which airway sound is indicative of an obstruction of the pharynx by the tongue, and is relieved by manually positioning the head and jaw to move the tongue?

Microetchers are used for which of the following procedures?

a. Denture repairs b. Pit and fissure sealant preparation c. Roughening surface for bonding orthodontic bands d. All of the above

You have completed a chest radiograph on a 2-month-old infant using a restraining device at a 72 1d SID. Because of the design of the device, your OID is suboptimum. The image reveals good resolution of the bony anatomy but the pulmonary vasculature is blurred. The EI value is 2040. In an effort to improve the quality of the repeat image, the competent radiographer would

a. raise the mA and decrease the exposure time. b. decrease the SID and maintain the same mAs. c. switch to small focal spot. d. ask for mild sedation of the infant to decease respiration.