Which of the following is (are) true concerning the effect of technical factors on the ESR?

A. A tilted tube causes a falsely increased rate.
B. Reading the test at less than 1 hour causes a falsely increased rate.
C. Room temperature greater than 25oC causes a falsely decreased rate.
D. All of the above (a-c) are true.

Answer: A

Health Professions

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Blood for carboxyhemoglobin (COHb) testing must be drawn before:

A) giving of other drugs B) administration of O2 C) leaving the fire scene. D) Not important when it is drawn.

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Letterhead stationery, which contains the name and address of the sender, comes in all three of the commonly used sizes EXCEPT ________.

A. legal B. standard C. monarch or executive D. baronial

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