Which of the following is the correct one?
1.WHICH OF THE FOLLOWING ARE INVOLVED IN COMPLEMENT ACTIVATION BY THE ALTERNATIVE PATHWAY?
A) ANTIBODIES
B) C3B FRAGMENT
C) C1Q FRAGMENT
D) NONE OF THE ABOVE
2. WHICH OF THE FOLLOWING CAN ACTIVATE MACROPHAGES?
A) CYTOKINES
B) IMMUNOGLOBULINS
C) COMPLEMENT
D) ALL OF THE ABOVE
E) NONE OF THE ABOVE
3. WHAT ARE THE MAIN ACTIONS OF ANTIBODIES IN INFECTIONS?
A) COMPLEMENT ACTIVATION BY THE ALTERNATIVE PATHWAY
B) BY THE CLASSICAL PATHWAY
C) CD 8+ ACTIVATION
D) NONE OF THE ABOVE
4. WHAT ARE THE PHYSICO-CHEMICAL BARRIERS MEDIATED BY?
A) CYTOKINES
B) COMPLEMENT
C) IMMUNE MECHANISMS
D) NON-IMMUNE MECHANISMS
5. IF THE ANTIGEN PRESENTS AN EXTRACELLULAR PHASE DURING INFECTION, WHICH IMMUNE MECHANISM WILL BE THE MOST EFFECTIVE?
A) NEUTRALIZING ANTIBODIES
B) CYTOTOXICITY RELATED TO CD 8+
C) NK CELL ACTIVATION
D) NONE OF THE ABOVE
6. IN GRAM POSITIVE BACTERIAL INFECTIONS, WHICH IS THE MOST EFFECTIVE MECHANISM TO DESTROY ITS MEMBRANE?
A) COMPLEMENT ACTIVATION
B) ADCC CYTOTOXICITY
C) PHAGOCYTOSIS
D) ACTIVATION OF CD 8 LYMPHOCYTES
