A PA oblique scapular Y shoulder projection obtained with the patient's upper midcoronal plane tilted toward the IR demonstrates
1. the glenoid cavity on end.
2. the superior scapular angle superior to the clavicle.
3. a longitudinally foreshortened scapular body.
4. the superior scapular angle inferior to the clavicle.
a. 2 and 4 only
b. 3 only
c. 2 and 3 only
d. 1, 2, and 3 only
C
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For the acquisition of a 4-lead tracing, why is the skin cleansed, dried, and shaved of hair (if necessary) prior to applying the ECG electrodes?
A) Because ECG monitoring is a sterile procedure B) To decrease the amount of energy needed should the patient need to be defibrillated C) To enhance the conductivity between the electrode and the skin D) Because it makes the heart more responsive to defibrillatory shocks
Improving lung compliance during pressure-controlled ventilation would cause which of the fol-lowing?
a. A decrease in peak pressure c. An increase in volume delivery b. An increase in peak pressure d. A decrease in vol-ume delivery