Multiple Choice Questions and Answers on Immune System
Question 1 : The protein, produced by B cells that binds to a specific antigen is
- phagocyte
- leukocyte
- vaccine
- antibody
Answer : 4
Question 2 : Which of the following characteristics are common in lymphocytes, macrophages, and neutrophils?
- They are all part of the nonspecific immune response in vertebrates
- They are all part of the specific immune response in vertebrates
- They are all part of the internal defenses of nonvertebrates
- They are all types of white blood cells
Answer : 4
Question 3 : Which of the following blood proteins can destroy pathogens?
- Major histocompatibility complex
- Platelets
- Fibrinogen
- Complement system
Answer : 4
Question 4 : Which of these is part of the lymphoid system in humans?
- Liver
- Stomach
- Tonsils
- Kidneys
Answer : 3
Question 5 : What type of B cell is like a tiny factory that produces antibodies identical to the B cell receptor that bind to the original antigen?
- T cells
- Memory cells
- Plasma cells
- Macrophages
Answer : 3
Question 6 : What is the result of invasion of a body by pathogens?
- Infection
- Inflammation
- Swelling
- Pus
Answer : 1
Question 7 : What is the behavior in which T cells and B cells constantly travel throughout the body seeking out and destroying foreign substances?
- Antibody-mediated immune response
- Immune surveillance
- Cell-mediated immune response
- Vaccination
Answer : 2
Question 8 : In a fetus, where are lymphocytes produced?
- In the spleen
- In the bone marrow
- In the liver
- In the heart
Answer : 3
Question 9 : Which of the following produces the antibodies employed in the specific immune response of vertebrates?
- B lymphocytes
- T lymphocytes
- Neutrophils
- Macrophages
Answer : 1
Question 10 : Which of the following is not part of the vertebrate immune system?
- Lymphocytes
- Antibodies
- Cardiac glycosides
- Lymph nodes
Answer : 3
Question 11 : What type of B cell remains dormant in the body, but can respond rapidly if the same antigen appears again?
- T cells
- Memory cells
- Plasma cells
- Macrophages
Answer : 2
Question 12 : The maturation of T cells and the production of particular T cell receptors occurs in the
- thyroid gland
- thymus gland
- testes
- all of these
Answer : 2
Question 13 : Which of the following provide specific defense against viruses and bacteria?
- T cells
- B cells
- Complement
- inflammation
Answer : 2
Question 14 : Which of these is a type of specific defense against pathogens?
- Lymphocytes
- Macrophages
- Phagocytes
- Leukocytes
Answer : 1
Question 15 : In animals, blood clots serve the function of
- consuming invading organisms
- helping them match the background coloration of the habitat
- stimulating production of killer T lymphocytes
- repairing damage to the body wall
Answer : 4
Question 16 : Lack of reaction to our own human leukocyte antigens (HLAs) is known as?
- autoimmunity
- complement system
- clonal selection
- tolerance
Answer : 4
Question 17 : Which of the following components of the vertebrate immune response occurs first upon invasion by a virus or bacterium?
- Activation of killer T lymphocytes
- Activation of B lymphocytes
- The inflammatory response
- Mobilization of complement proteins
Answer : 3
Question 18 : Which of the following white blood cells act as scavengers when they engulf and digest pathogens?
- Macrophages
- T cells
- B cells
- Lymphocytes
Answer : 1
Question 19 : A cell which defends against body cells in which viruses are reproducing is
- Exotoxin
- Cytotoxic T cell
- Endotoxin
- Suppressor T cell
Answer : 2
Question 20 : Which of the following is most likely to produce anaphylaxis in a susceptible individual?
- Pollen
- Mold
- Dust
- Bee sting
Answer : 4