Question 1
A medical researcher studying the immune system observes a patient with a severe bacterial infection. In her experiment, she introduces an antibiotic. What is the likely effect of the antibiotic on this infection?
- A) It will inhibit the formation of blood clots in the patient.
- B) It will boost the production of antibodies by lymphocytes.
- C) It will block processes in prokaryotic cells, slowing down bacterial growth.
- D) It will improve the patient's white blood cell count.
Question 2
Observe the following image of a blood clot in an artery. What is the primary purpose of this blood clot?
- A) To increase blood flow in the artery
- B) To stop bleeding after an injury
- C) To dissipate the heat
- D) To fight off a viral infection
Question 3
What is the primary effect of HIV on the immune system, leading to the development of AIDS?
- A) Increased production of lymphocytes
- B) Reduced number of active lymphocytes
- C) Enhanced ability to produce antibodies
- D) Formation of memory cells
Question 4
Identify the following type of pathogen and choose the correct statement.
- A) Antibiotics are effective in treating the infections caused by this pathogen
- B) It lacks metabolism
- C) It replicates slowly
- D) It can replicate independently
Question 5
What is the name of the type of phagocytic white blood cell that can ingest bacteria and other pathogens and present their antigens on its surface to activate other immune cells?
- A) Neutrophil
- B) Eosinophil
- C) Basophil
- D) Macrophage