Answer these 100+ Immunology MCQs and see how sharp is your knowledge of Immunology. Scroll down and let's start!
A. Impaired use
B. Redness
C. Pain
D. Heat E
E. Swelling
A. Helper T cells
B. NK cells
C. Cytotoxic T cells
D. B cells
A. Bacterial; self-produced
B. Self-produced; foreign
C. Self-produced; also self-produced
D. Cancer; bacterial
E. Viral; self-produced
A. Specificity, antigen
B. Antigen, immune cell
C. Antigenic determinants, different
D. T cells, highest antigenicity
A. B cells
B. NK cells
C. TH cells
D. T cells
A. Occurs during fetal development
B. Results in the formation of plasma cells
C. Cannot occur in the presence of antigens
D. Only occurs in the secondary immune response
A. Enhanced inflammation
B. Opsonization
C. Endogenous pyrexia
D. Bacterial phagocytosis
A. Macrophage
B. All nucleated
C. Dendritic
D. Helper T
E. Dendritic and macrophage
A. Mast cells
B. Th helper cells
C. Tc helper cells
D. B cells
A. An antigen can provoke production of high levels of specific antibodies
B. Be unable to differentiate and mature T cells
C. The ancient observation that someone who had recovered from the plague could safely care for those newly diseased.
D. Recombination of the segments of the receptor DNA that make up the functional receptor genes of differentiated B cells
A. Has a lag period while B cells proliferate and differentiate into plasma cells
B. Phagocytosis
C. Disrupting the selectively permeability of a bacteria's plasma membrane
D. Can kill cancer cells before the adaptive immune system is activated
A. MHC proteins
B. Phagolysosome
C. Macrophages
D. Glycoproteins
A. NOD proteins
B. Lectins and C3 protein
C. Lectins
D. TLRs
E. Both TLRs and NOD proteins
A. CD4, CD8, and plasma cells
B. Cytotoxic and helper cells
C. Plasma, antigen-presenting, and memory cells
D. Lymphocytes, macrophages, and dendritic cells
A. Weeks
B. Days
C. Decades
D. Years
E. Months
A. Specificity, antigen
B. T cells, highest antigenicity
C. Helper T cells
D. Somatic hypermutation
A. The antibody having at least two binding regions
B. Denaturation of the antibodies
C. Bonds between class I and class II MHC molecules
D. Disulfide bridges between the antigens
A. Binding and inactivating chemical toxins released by bacteria or other microorganisms
B. Cross-linking cell-bound antigens on red blood cells when blood types are properly matched
C. Linking soluble antigens together so that they fall out of solution
D. Targeting foreign cells so that complement proteins can cause cellular lysis
A. Reducing its size
B. Immediately producing antigen-specific antibodies
C. Forming of a large number of cells that are unlike the original B cell
D. Producing progeny cells that include plasma cells and memory cells
A. Injection of vaccine
B. Ingestion of interferon
C. Placental transfer of antibodies
D. Bsorption of pathogens through mucous membranes
A. Microphages
B. Macrophages
C. Tonsillar crypts
A. Defensive proteins
B. Attecking proteins
C. None
A. Helper T
B. NK
C. Plasma
D. Cytotoxic T
A. CD4 T
B. NK
C. Cytotoxic T
D. Suppressor T
E. Plasma
A. Coating the surface of microbes, making it easier for other defense cells to phagocytize them
B. Immune response elicited by the first exposure of lymphocytes to a particular antigen
C. The highest concentration of antibodies that occurs after the first exposure to antigen X
D. Results in the production of short-lived effector cells via clonal selection
A. Plasma cells
B. T cells
C. Bone marrow
D. B cells
A. An enzyme breaks the bacteria free from the phagosome
B. Is disproportionate to the appearance of the infection
C. Avoid eating raw fruits and vegetables
D. Patients may be allergic to penicillins
A. Antigen
B. Active immunity
C. Antibody
D. Passive immunity
A. Helper B cells
B. Helper T cells
C. Cytokines
A. T-dependent
B. T-independent antigens
C. Both A & B
A. Antibodies
B. Dermcidins
C. TLRs
D. Complement factors
A. Tolerance
B. Memory
C. None
A. Primary response
B. Memory
C. Innate Immunity
D. Affinity
A. Immune system cells
B. Glycoproteins
C. Proteins
D. Antigens
A. Lack of
B. Overactive
C. Incorrect
D. None of the answers are correct
A. Cytoxic; helper
B. Suppressor; cytoxic
C. Plasma; NK
D. Helper; suppressor
E. NK; cytoxic
A. Secrete interferons
B. Secrete granzymes and perforin
C. Participate in the immune response
D. Participate in innate immunity
E. Secrete tumor necrosis factor (TNF
A. CXCL8
B. IL-12
C. IL-6
D. CCL2
A. Cytokines
B. Hepatitis
C. Rabies
D. Pregnancy
A. B cells producing IgM develop more rapidly than other types
B. IgM is a multifunctional class of antibody
C. The genes for IgM production are the most active ones in a B cell
D. The gene for the mu Fc region is the first to be attached to the variable region gene
A. Self-stimulation of
B. Clonal deletion of
C. Antigen presentation to
D. Clonal expansion of
A. Fc
B. CD8
C. Anergic
D. None of these
A. Characteristics of all vertebrate animals
B. Characteristics of all invertebrate animals
C. Both A & B
D. None of the above
A. Juvenile diabetes
B. Hepatitis
C. Rabies
D. Pregnancy
A. Are large so that they can envelope their prey by phagocytosis
B. Have a great deal of rough endoplasmic reticulum to dispose of ingested pathogens
C. Are small so that they slip between endothelial cells of capillaries to fight infection in the surrounding tissues
D. Have a great deal of rough endoplasmic reticulum reflecting the fact that they secrete a tremendous amount of protein (antibody
A. Activate macrophage
B. Activate complement
C. Induce fever by raising the body's temperature
D. Recruit phagocytic cells
A. Thalamus; bone marrow
B. Bone marrow; thymus
C. Bone marrow; thalamus
D. Thymus; bone marrow
A. The mucous membranes that cover their surface
B. The secretion of complement proteins
C. The release of slightly acidic secretions
D. The secretion of lysozyme onto their surface
E. Interferons produced by immune cells
A. B cells
B. Complement cells
C. Plasma cells
D. T cells
A. Antigens
B. Complement cells
C. Plasma cells
D. T cells