Education OCR F221 AS BIOLOGY

1. Blood 2. Have you ever had a blood test? How does the nurse (phlebotomist) take the blood? Why do they tie a tourniquet around the arm? Why is the area around the vein…

Documents Blood Tests

PowerPoint Presentation Blood Tests Learning objectives: (a) describe how blood samples are taken and blood smears (films) are made; (b) describe the procedure for the differential…