An AP axial cervical vertebrae projection demonstrates a portion of the third cervical vertebra superimposed over the posterior occipital bone. How should the positioning setup be adjusted to obtain an optimal projection?
a. Center the central ray more inferiorly.
b. Increase the degree of cephalic central ray angulation.
c. Decrease the degree of chin tuck.
d. Increase the degree of chin tuck.
D
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What do relative contraindications for lung volume determinations include? 1. Recent cataract removal surgery 2. Unstable cardiovascular status 3. Treated pneumothorax 4. Hemoptysis of unknown origin
a. 1, 2, and 3 only b. 2 and 4 only c. 3 and 4 only d. 1, 2, and 4 only
Precipitating factors for retained secretions include all of the following EXCEPT:
a. decreased mucociliary transport. b. excessive secretions. c. overhydration. d. general anesthesia.
Explain the importance of evaluation of programs
Which of the following organizations are committed to improving the quality of care?
A. NCQA B. JCAHO C. The Leapfrog Group D. All of the above