Question
What property of antibiotics makes them effective in the treatment of infectious diseases?
A. They stimulate the production of antibodies.
B. They block metabolic pathways in prokaryotes.
C. They block the metabolic processes in viruses.
D. They inhibit mitosis in eukaryotes.
▶️Answer/Explanation
Ans. B
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