Chemical and microscopic changes that invalidate a urine specimen occur if the urine is kept at room temperature for more than ____.
A. 2 minutes
B. 5 minutes
C. 20 minutes
D. 30 minutes
E. 1 hour
E. 1 hour
Chemical and microscopic changes that invalidate certain test results occur in urine kept at room temperature for more than 1 hour.
Health Professions
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Predict the typical expected results of clot-based PT in a patient with a platelet defect
a. Prolonged b. Normal c. Shortened d. Cannot be predicted
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Only rarely can the investigator hope to prove the use of ________ flammables from the pattern of the fire.
A) solid B) gaseous C) liquid D) explosive
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