When large quantities of blood are lost, erythrocytes must be replaced to restore
A) the body's ability to fight infection.
B) oxygen-carrying capacity.
C) thrombin levels.
D) normal blood pH.
E) iron levels.

Question

Quizplus · Accepted Answer

Erythrocytes, or red blood cells, are primarily responsible for carrying oxygen from the lungs to the rest of the body and returning carbon dioxide from the body to the lungs for exhalation. When large quantities of blood are lost, the oxygen-carrying capacity of the blood is significantly reduced, necessitating the replacement of erythrocytes to restore this essential function.

When Large Quantities of Blood Are Lost, Erythrocytes Must Be