Systemic arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ is less than tissue $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$ .

Question

Quizplus · Accepted Answer

Systemic arterial $\mathrm{P}_{\mathrm{CO}_2}$ is lower because it reflects the carbon dioxide level in the blood after it has been oxygenated in the lungs, whereas tissue $\mathrm{P}_{\mathrm{CO}_2}$ is higher due to the production of carbon dioxide as a byproduct of cellular metabolism.

Systemic Arterial PCO2\mathrm { P } _ { \mathrm { CO } _ { 2 } }PCO2​​

Systemic Arterial $\mathrm { P } _ { \mathrm { CO } _ { 2 } }$