1. THESE DERIVE FROM THE LYMPHOID LINEAGE:

A)     EOSINOPHILS
B)     ANTIGEN PRESENTING CELLS
C)     MACROPHAGES
D)     LYMPHOCYTES

2. THE FORMATION OF ROSETTES WITH SHEEP RED BLOOD CELLS IS SPECIFIC TO: 

A)    B LYMPHOCYTES
B)    MACROPHAGES
C)    T LYMPHOCYTES
D)     ALL LYMPHOID POPULATIONS

3. The CD8+ MARKER BELONGS TO:

A)     B LYMPHOCYTES
B)     HELPER T LYMPHOCYTES
C)     CYTOTOXIC LYMPHOCYTES
D)     MACROPHAGES

4. The CD 4+ MARKER BELONGS TO:

A)     B LYMPHOCYTES
B)     HELPER T LYMPHOCYTES
C)     CYTOTOXIC Y LYMPHOCYTES
D)     MACROPHAGES

5.  CLASS II ANTIGENS ARE EXPRESSED IN: 

A)      EVERY CELL
B)      SOME OF THE COMPLEMENT FACTORS
C)      ANTIGEN PRESENTING CELLS
D)      CD 8+ LYMPHOCYTES

6. CLASS I ANTIGENS ARE EXPRESSED IN:
   

A)      MOST OF PORCINE CELLS
B)      EVERY PORCINE CELL
C)     ANTIGEN PRESENTING CELLS
D)     SOME OF THE COMPLEMENT ELEMENTS