What is the primary purpose of using 0.8% saline solution in the indirect antiglobulin test?

A To enhance the reactivity of IgM antibodies
B To increase the sensitivity of the test for detecting IgG antibodies
C To reduce the risk of hemolysis during the test
D To provide an isotonic environment for red blood cell suspension ✓

Explanation

The 0.8% saline solution is used to provide an isotonic environment for the red blood cell suspension, which helps to prevent hemolysis and maintain the integrity of the cells during the test.

Source

Technical Manual of the American Association of Blood Banks
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Easy MEDICAL Confidence: high