Which of the following waveforms are characteristically produced by ventilators having a rotary-driven piston drive mechanism?
A. rectangular
B. exponential
C. sinusoidal
D. oscillating
Answer: C
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When palpating the anterior portion of a patient's abdomen, you note tenderness in the left upper quadrant. As a knowledgeable OEC Technician, you would recognize that which of the following organs may be involved?
a. The kidney b. The gallbladder c. The spleen d. The liver
Normal hematocrit is 45%. What is the RPI for this patient with a reticulocyte count of 5% and hematocrit of 25%?
a. 2.39 b. 2.59 c. 1.39 d. 4.50
Immediate action taken during a fire is described by the acronym _____________
A. RACE C. PASS B. ABC D. MSDS
The condition for which the symptoms of hyperventilation are often mistaken is:
A. pulmonary embolus. B. cerebral embolus. C. cardiac embolus. D. none of the above.