- 1. Immunology is the study of the immune system, which is our body's defense mechanism against harmful pathogens such as bacteria, viruses, and parasites. The immune system is a complex network of cells, tissues, and molecules that work together to protect the body from infection and disease. Immunology encompasses various aspects, including how the immune system recognizes and responds to foreign invaders, how it develops memory to provide long-term protection, and how dysregulation of the immune system can lead to autoimmune diseases or hypersensitivity reactions. Understanding immunology is essential for developing vaccines, treatments for infectious diseases, and therapies for conditions where the immune system is either overactive or underactive.
What is a primary function of the immune system?
A) To protect the body from harmful pathogens.
B) To control body temperature.
C) To aid in digestion.
D) To regulate blood sugar levels.
- 2. Which type of cells are responsible for antibody production?
A) Platelets
B) T cells
C) B cells
D) Red blood cells
- 3. Which type of immunity is acquired through vaccines or exposure to antigens?
A) Adaptive immunity
B) Autoimmune immunity
C) Passive immunity
D) Innate immunity
- 4. Which immunoglobulin class is the first to be produced during a primary immune response?
A) IgE
B) IgA
C) IgM
D) IgG
- 5. How do antibodies help eliminate pathogens?
A) By tagging pathogens for destruction by immune cells
B) By altering body temperature
C) By converting pathogens into nutrients
D) By freezing pathogens
- 6. Which molecule is recognized by the immune system as foreign and triggers an immune response?
A) Hormone
B) Antigen
C) Neurotransmitter
D) Enzyme
- 7. What does MHC stand for in relation to the immune system?
A) Microbe Handling Complex
B) Mucosal Host Cell
C) Major Histocompatibility Complex
D) Memory Helper Cell
- 8. Which type of immunity is passed from mother to child through breast milk?
A) Active immunity
B) Acquired immunity
C) Passive immunity
D) Innate immunity
- 9. What is the main function of the spleen in the immune system?
A) Produce red blood cells
B) Regulate body temperature
C) Produce antibodies
D) Filter blood and store immune cells
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