You can know that a burned patient has experienced carbon monoxide poisoning? by:
A. measuring carboxyhemoglobin levels in the bloodstream.
B. questioning the patient about a taste of bitter almonds.
C. checking for a bluish residue around the? patient's mouth and nose.
D. noticing a tarry odor on the? patient's clothes.
Answer: A. measuring carboxyhemoglobin levels in the bloodstream.
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The visual field is
a. The part of the retina that alters its firing rate in response to a particular stimulus b. The portion of space that can be viewed by the retina when the eye is fixated c. Half of the retina of each eye d. The entire visual environment
A 52-year-old man presents with an ulcer in the floor of his mouth of 8 weeks' duration. The lesion measures 1 x 2 cm, is indurated, and is slightly uncomfortable for the patient. What should the clinician do at this point in time?
a. Observe for 2 more weeks. b. Treat patient with prednisone. c. Treat patient with nystatin. d. Have direct immunofluorescence test done. e. Perform a biopsy.
The purpose of calibration, as defined by CLIA'88, is to:
A) "quantitate the accuracy of the methods." B) "substantiate the continued accuracy of the test system throughout the laboratories' reportable range of the test results for the test system." C) "determine the analytical precision of the assay." D) "estimate the slope and intercept derived from assaying a series of calibrators."
Choose the word that best describes each sentence or group of words. ? Get the oxygen
A) ?fragmented B) ?complete C) ?run-on D) ?non-parallel