Quiz: Immunology Multiple Choice Questions
Settings
The immune system is our shield against diseases and various infectious organisms that try to invade our body. It's a host defense system which is built of many biological structures. So, here in this quiz, you shall face more than forty basic to advance multiple-choice questions of the same that will determine how good your knowledge is of the topic. So, let's get started!
- 1.
- A.
Immune Response.
- B.
Skin and Mucous membranes.
- C.
Inflammatory response.
- D.
Inflammatory response and skin and mucous membranes.
- 2.Second Line of Defense:
- A.
Immune Response.
- B.
Skin and Mucous membranes.
- C.
Inflammatory response.
- D.
Inflammatory response and skin and mucous membranes.
- 3.Third Line of defense:
- A.
Immune Response.
- B.
Skin and Mucous membranes.
- C.
Inflammatory response.
- D.
Inflammatory response and skin and mucous membranes.
- 4.Innate defense system:
- A.
Immune Response.
- B.
Skin and Mucous membranes.
- C.
Inflammatory response.
- D.
Inflammatory response and skin and mucous membranes.
- 5.Adaptive defense system:
- A.
Immune Response.
- B.
Skin and Mucous membranes.
- C.
Inflammatory response.
- D.
Inflammatory response and skin and mucous membranes.
- 6.Small Proteins secreted by virus-containing cells:
- A.
Regulatory T cells.
- B.
Helper T cells.
- C.
Complement.
- D.
Interferon.
- E.
Macrophage APCs.
- 7.Major Innate mechanism that mediates destruction of foreign substances in the body:
- A.
Regulatory T cells.
- B.
Helper T Cells.
- C.
Complement.
- D.
Interferon.
- E.
Macrophage APCs.
- 8.Stimulate the proliferation of other lymphocytes:
- A.
Regulatory T cells.
- B.
Helper T Cells.
- C.
Complement.
- D.
Interferon.
- E.
Macrophage APCs.
- 9.Present the double activation signal to T cells:
- A.
Regulatory T cells.
- B.
Helper T Cells.
- C.
Complement.
- D.
Interferon.
- E.
Macrophage APCs.
- 10.
- A.
IgG
- B.
IgA
- C.
IgD
- D.
IgE
- E.
IgM
- 11.Protects mucosal barriers:
- A.
IgG
- B.
IgA
- C.
IgD
- D.
IgE
- E.
IgM
- 12.Involved in allergies:
- A.
IgG
- B.
IgA
- C.
IgD
- D.
IgE
- E.
IgM
- 13.Along with IgM, this is a B cell receptor:
- A.
IgG
- B.
IgA
- C.
IgD
- D.
IgE
- E.
IgM
- 14.Activates Complement:
- A.
IGG
- B.
IGA
- C.
IgD
- D.
IgE
- E.
IgM
- 15.A graft from a monkey to a human is an example of an allograft.
- A.
True
- B.
False
- 16.The mechanism of the "lethal hit" of cytotoxic T cells involves a protein called perforin.
- A.
True
- B.
False
- 17.Cellular ingestion and destruction of particulate matter are called phagocytosis.
- A.
True
- B.
False
- 18.The respiratory burst produced by some macrophages releases free radicals.
- A.
True
- B.
False
- 19.The directional movement of cells in response to chemicals is called chemotaxis.
- A.
True
- B.
False
- 20.Substances capable of triggering the adaptive immune system and provoking an immune response are called antigens.
- A.
True
- B.
False
- 21.Soluble proteins secreted by plasma cells are called antibodies.
- A.
True
- B.
False
- 22.Tolerance for self-antigens is abnormal.
- A.
True
- B.
False
- 23.Fever is seldom beneficial because it speeds up the cellular metabolic rate and will not allow antigen-antibody reactions to occur.
- A.
True
- B.
False
- 24.Monoclonal antibodies can be specific for several antigenic determinants.
- A.
True
- B.
False
- 25.Autoimmune diseases are more common in men than in women.
- A.
True
- B.
False
- 26.Some immunocompetent cells will never be called to service in our lifetime.
- A.
True
- B.
False
- 27.Atopy is an inherited tendency to spontaneously develop immediate (type I) allergies to certain environmental antigens.
- A.
True
- B.
False
- 28.Adaptive immunity is provided by lymphocytes that secrete antibodies.
- A.
True
- B.
False
- 29.A transfusion reaction is a aubacute hypersensitivity to foreign red blood cells.
- A.
True
- B.
False
- 30.During fetal development, lymphocytes that do not react to self-antigens are destroyed.
- A.
True
- B.
False
- 31.Somatic recombination by B cells allows each B cell to form its own unique antibody genes.
- A.
True
- B.
False
- 32.Perforins are cytolytic chemicals used by NK cells.
- A.
True
- B.
False
- 33.Antigens can be complete or incomplete.
- A.
True
- B.
False
- 34.It is our genes, not antigens, that determine what specific foreign substances our immune system will be able to recognize and resist.
- A.
True
- B.
False
- 35.Which of the following is characteristic of antibodies?
- A.
Carbohydrate structure.
- B.
Composed of heavy and light polypeptide chains.
- C.
Three binding sites per antibody monomer.
- D.
Incapable of being transferred from one person to another.
- 36.Which of the following is associated with passive immunity?
- A.
Long-term immune protection.
- B.
Infusion of weakened viruses.
- C.
Passage of IgG antibodies from the pregnant mother to her fetus.
- D.
Booster shot.
- 37.Which of the following is not a type T cell?
- A.
Cytotoxic
- B.
Antigenic
- C.
Helper
- D.
Regulatory
- 38.B lymphocytes develop immunocompetence in the _______.
- A.
Thymus
- B.
Spleen
- C.
Bone marrow
- D.
Lymph nodes
- 39.
- A.
Prevents the spread of the injurious agent to nearby tissue.
- B.
Replaces injured tissues with connective tissue.
- C.
Disposes of cellular debris and pathogens.
- D.
Sets the stage for repair processes.
- 40.The redness and heat of an inflammed area are due to a local hyperemia caused by ______.
- A.
Vasodialation.
- B.
Vasoconstriciton.
- C.
Phagocyte mobilization.
- D.
Production of complement and interferon.
- 41.The antibody molecule is held together by ______ bonds.
- A.
Disulfide
- B.
Hydrogen
- C.
Amino acid
- D.
Sodium
- 42.In clonal selection of B cells, which substance is responsible for determining which cells will eventually become cloned?
- A.
Antigen
- B.
Lymphocyte
- C.
Antibody
- D.
Macrophage
- 43.The system that recognizes foreign molecules and acts to immobilize, neutralize, or destroy them is the _________.
- A.
Integumentary system.
- B.
Renal system.
- C.
Immune system.
- D.
Lymphatic system.
- 44.The process whereby neutrophils and other white blood cells are attracted to an inflammatory site is called _________.
- A.
Diapedesis
- B.
Chemotaxis
- C.
Margination
- D.
Phagocytosis
- 45.Small molecules that bind with self-proteins to produce antigenic substances are called ____.
- A.
Haptens
- B.
Antibodies
- C.
Ions
- D.
Reagins
- 46.The chief antibody-mediated mechanism used against cellular antigens, such as bacteria, is _______.
- A.
Interferon production
- B.
Complement fixation
- C.
Neutralization
- D.
Agglutination
- 47.The only T cells that can directly attack and kill other cells are the ______.
- A.
Regulatory cells
- B.
Helper cells
- C.
Cytotoxic cells
- D.
Plasma cells
- 48.Select the correct statement about phagocytic cells.
- A.
Neutrophils may destroy themselves when they phagocytize large quantities of a foreign substance.
- B.
Macrophages release defensins during killing.
- C.
The respiratory burst characterizes eosinophil phagocytosis.
- D.
Kupffer cells are a type of neutrophil.
Back to top