Exchange of gas between alveolar air and blood is rapid because
A) The surface area for exchange is large
B) Gasses diffuse incredibly fast
C) The diffusion distance is small
D) The gradients for diffusion are large
E) Both A and C are true
Correct Answer:
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Q4: An expired tidal volume is 0.5 L
Q5: The vapor pressure of water at the
Q6: The respiratory quotient is typically about
A) 1.0
B)
Q7: The respiratory quotient is the ratio
A) TV
Q8: STPD refers to standard conditions of
A) 0o
Q10: Which has the grea test solubility in
Q11: Gas movement is down its
A) Absolute concentration
Q12: The alveolar ventilation equation is
A) QA
Q13: The vapor pressure of water
A) Depends on
Q14: The ideal gas equation is
A) PA
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