PROCEDURE: A cell subgrouping

1. Make a 3-5% Type A RBC Suspension (RBC suspension procedure) 2. Prepare 2 clean tubes and label with A and A1 respectively. 3. Place 2 drops of Anti-A Reagent Serum in tube A and 2 drops of Anti-A1 lectin on tube A1. 4. Add 2 drops of freshly prepared 3-5% Type A RCS to both tubes. Follow the tabulated procedure below. 6. Mix the solution and spin for 15seconds at 3,400 rpm. Gentle mixing is recommended. Grade the reaction, record andinterpret the results