A less than optimal lateral cervical vertebrae projection demonstrates the articular pillars of one side of the patient situated anterior to the opposite articular pillars. How was the patient misposi-tioned?
a. The midsagittal plane was not aligned perpendicular to the IR.
b. The acanthiomeatal line was not parallel with the floor.
c. The midcoronal plane was not aligned perpendicular to the IR.
d. The interpupillary line was not perpendicular to the IR.
C
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Firefighters are extricating the driver of a small car that was struck broadside by a delivery truck at a moderate rate of speed. The patient was unrestrained, and the car sustained severe damage to the driver's side. As the man is pulled from the car, you note severe deformity to his left thigh area. Your primary assessment shows the patient to be responsive to painful stimuli, with an open
airway and adequate breathing at 20 breaths per minute. His radial pulse is present but rapid at a rate of 124. After applying oxygen, the EMT should immediately: A) examine the left leg. B) check for a pedal pulse in the left foot. C) conduct a rapid secondary assessment. D) apply a traction splint to the left leg.
Curved roofs are most frequently supported by:
A) arches. B) beams. C) columns. D) cables.