Gas Exchange & Partial Pressures (Advanced)
Physiology
>
Respiratory
>
Gas Exchange and Transport
Q. Why does the partial pressure of inspired oxygen fall slightly before it reaches the alveoli?
a
It attempts to equalize with the systemic arterial blood
b
Carbon dioxide dilutes the air within the trachea
c
It leaks out of the trachea
d
Water vapor within the trachea dilutes it
e
All of the above
Log In
or
Start Your Free Trial
to view the answer.