Question
Which cells are subject to attack by HIV?
A. Lymphocytes
B. Erythrocytes
C. Platelets
D. Phagocytes
▶️Answer/Explanation
Ans:A
Question
A combination of antibiotics and bioengineered antibodies to bacterial antigens is now being used in hospitals to treat bacterial infections. What makes this method more effective than just using antibiotics alone?
A. Increases selective pressure on bacteria to evolve antibiotic resistance
B. Bacteria become noticeable to phagocytes
C. Antibodies can be cloned by the immune system
D. Blocks metabolic pathways in bacteria
▶️Answer/Explanation
Ans:B
Question
The diagram shows the major events involved in the formation of a blood clot.
What is Factor Y?
A. Fibrin
B. Prothrombin
C. Fibrinogen
D. Thrombin
▶️Answer/Explanation
Ans:C