Equipment with the highest potential for serving as ignition sources in surgical fires include all of the following EXCEPT:
a. electrosurgical units
b. fiber-optic light cables
c. laser fibers or beams
d. phacoemulsification probes
d
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What is the common approach for determining the accuracy of a method or instrument?
A) Compare the results from several dozen samples obtained by the method under evaluation with the results obtained by an established reference method. B) Create a standard curve from the results of several dozen samples and compare all future test results to the standard curve. C) Test several dozen samples, average the results, and compare the average to the referent values suggested by the manufacturer. D) All of the above
Which of the following is NOT true of histamine?
A) It is stored and released from the spleen. B) It is an inflammation modulator. C) It attracts white blood cells to the site of injury. D) It increases the permeability of capillaries, and causes local vasoconstriction.
Removal of a foreign body right external auditory canal
A. Removal B. Extirpation C. Inspection D. Excision
For which laboratory procedure are specific and extended patient and specimen identification used?
A. Cross-match for transfusion B. Arterial punctures C. Glucose tolerance D. Blood cultures