The Concentration of ________ in Interstitial Fluid is Much Higher

Question

The concentration of ________ in interstitial fluid is much higher than that of plasma.
A) oxygen
B) nitrogen
C) CO₂
D) ammonia
E) hydrogen

Accepted Answer

CO₂ concentration is higher in interstitial fluid compared to plasma because it is a byproduct of cellular metabolism and diffuses out of cells into the interstitial fluid before being transported in the blood.