Which one of these is not a Système Internationale (SI) unit of measurement?
A) Sievert
B) Roentgen
C) Coulombs per kilogram
D) Gray
B
Explanation: A) Roentgen is a traditional unit of measurement.
B) Roentgen is a traditional unit of measurement.
C) Roentgen is a traditional unit of measurement.
D) Roentgen is a traditional unit of measurement.
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The most common cause of airway obstruction is the ________________________________________
Fill in the blank(s) with correct word
What is the American Thoracic Society standard for accuracy when measuring flows during pulmonary function testing?
a. 90% accuracy or within 0.30 L/sec, whichever is greater b. 95% accuracy or within 0.20 L/sec, whichever is greater c. 97% accuracy or within 0.10 L/sec, whichever is greater d. 99% accuracy or within 0.05 L/sec, whichever is greater