By what mechanism does gas exchange across the lung occur?
a. Active transport
b. Facilitated diffusion
c. Facilitated transport
d. Simple diffusion
ANS: D
This close "match" of gas and blood across a large but extremely thin blood-gas barrier membrane enables efficient gas exchange to occur by simple diffusion.
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Which activity related to the use of an AED would a medical director carry out?
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Indicate whether the statement is true or false
One of the major changes in ICD-10 is that code extensions were added for injuries and external causes of injuries
Indicate whether this statement is true or false.