What is the primary goal of humidity therapy?
a. Decrease airway reactivity to cold.
b. Maintain normal physiologic conditions.
c. Deliver drugs to the airway.
d. Reduce upper airway inflammation.
ANS: B
The primary goal of humidification is to maintain normal physiological conditions in the lower airways.
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A colleague generates a best-fit line through a set of data points and asks you to confirm its usefulness and goodness-of-fit. You perform a root-mean-squared-error (RMSE) calculation and come up with a very small RMSE value. Based on this value you deter
A) deviates far from the data points. B) fits the data well. C) is useless for interpolation but valid for extrapolation. D) predicts a value that is too far from the actual value.
About 80% of U.S. doctors are age 55 or older
Indicate whether the statement is true or false.