A poorly positioned parietoacanthial facial bone projection (Waters method) demonstrates the petrous ridges within the maxillary sinuses. How was the positioning setup mispositioned for such a projection to be obtained?
1. The MML was not aligned perpendicular to the IR.
2. The patient's head was rotated toward the left side.
3. The patient's chin was tucked more than needed.
4. The central ray was angled too cephalically.
a. 1 and 3 only
b. 2 only
c. 3 and 4 only
d. 1, 3, and 4 only
D
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a. bundling. b. capitation. c. fee schedule. d. case rate.
When considering continuous positive airway pressure (CPAP), the patient must exhibit:
A) minor to moderate respiratory distress. B) ability to breathe on his own. C) SpO2 between 90% and 100%. D) inability to maintain his airway.
When looking at a flow-time waveform, which of the following is always to the lower side of baseline or zero flow?
A. inspiration B. change from inspiration to expiration C. expiration D. peak expiratory flow rate
If using an image receptor holder with an external aiming device, the indicator ring attachment must be slid all the way down the metal arm of the device to be as close to the patient's skin as possible without touching the patient prior to the exposure
Indicate whether the statement is true or false