Ventilation Is Increased the Most by a Small
A) Increase $\mathrm { P } _ { \mathrm { Co } _ { 2 } }$

Multiple Choice

Ventilation is increased the most by a small

A) increase in arterial $\mathrm { P } _ { \mathrm { Co } _ { 2 } }$
B) decrease in arterial $\mathrm { P } _ { \mathrm { Co } _ { 2 } }$
C) increase in arterial $\mathrm { P } _ { 0 _ { 2 } }$
D) decrease in arterial $\mathrm { P } _ { 0 _ { 2 } }$
E) none of these