$\mathrm { P } _ { 0 _ { 2 } }$

Multiple Choice

$\mathrm { P } _ { 0 _ { 2 } }$ in the blood

A) refers to the pressure exerted by the amount of oxygen dissolved in the blood
B) is the most important factor determining the percent saturation of hemoglobin
C) is normal in carbon monoxide poisoning
D) refers to the pressure exerted by the amount of oxygen dissolved in the blood and is normal in carbon monoxide poisoning
E) all of these