Multiple Choice
The diffusing capacity of the lungs for CO2 is much higher than the diffusing capacity for O2 because
A) The diffusion coefficient for CO2 is so much higher than that of O2
B) The area available for CO2 is greater because it can go through lipid membranes
C) CO2 dissolves in water much better
D) The gradient for CO2 diffusion is less
E) Capillaries open up to make the diffusing capacity greater
Correct Answer:

Verified
Correct Answer:
Verified
Q6: At body tem perature, the vapor pressure
Q7: The anatomic dead space is<br>A) The volume
Q8: Which has the grea test solubility in
Q9: Exchange of gas between alveolar air and
Q10: An expired tidal volume is 0.5 L
Q12: The alveolar ventilation equation is<br>A) Q<sub>A</sub>
Q13: The partial pressure of an ideal gas
Q14: The diffusing capacity has units of<br>A) cm<sup>2</sup>
Q15: Alveolar gas partial pressures at rest<br>A) Are
Q16: The vapor pressure of water<br>A) Depends on