Navigation » List of Schools » East Los Angeles College » Microbiology » Microbiology 020 – General Microbiology » Winter 2022 » Lecture Exam 4 (Ch 12, 13, 14)
Below are the questions for the exam with the choices of answers:
Question #1
A systemic anaphylactic
B T-cell mediated
C antibody mediated
D delayed
E atopic
Question #2
A fetal Rh ˗ cells enter an Rh + mother
B maternal Rh + cells enter an Rh -fetus
C maternal Rh ˗ cells enter an Rh + fetus
D fetal Rh + cells enter an Rh + mother
E fetal Rh + cells enter an Rh – mother
Question #3
A transfusion reaction
B hypersensitivity
C autoimmune disease
D desensitization
E immunodeficiency
Question #4
A humoralpathology
B epidemiology
C hemopathology
D histopathology
E immunopathology
Question #5
A IgE
B foreign cells
C complement
D IgM
E IgG
Question #6
A metastatic cancer
B rheumatic fever
C Graves’ disease
D type I diabetes
E systemic lupus erythematosus
Question #7
A allograft
B autograft
C isograft
D xenograft
E hypograft
F
Question #8
A Ingestant
B None of the choices are correct.
C Contactant
D Inhalant
E Injectant
Question #9
A pruritus and headache
B constriction of smooth muscle of bronchi and the intestine
C increased sensitivity to pain
D relaxes vascular smooth muscle
E wheal and flare reaction in skin
Question #10
A type I, type II, and type III
B type I only
C type IV only
D type I, type II, type III, and type IV
E type I and type IV
Question #11
A a transfusion reaction
B IgE and mast cells
C autoantibodies and T cells
D a deficiency in T-cell development
E graft rejection
Question #12
A Rhinitis
B Contact dermatitis
C Diarrhea
D Sneezing
E Rashes
Question #13
A inhibit the activity of lymphocytes
B relieve inflammatory symptoms
C reverse spasms of respiratory smooth muscles
D block synthesis of leukotrienes
E bind to histamine receptors on target organs
Question #14
A Histamine acts on smooth muscle
B Binding of IgE by the Fc region to mast cells and basophils
C Degranulation
D Bonding of allergen to adjacent IgE binding sites on mast cells and basophils
E Prostaglandins cause vasodilation and increased vascular permeability
Question #15
A acetylcholine receptors on skeletal muscle
B acetylcholine receptors on smooth muscle
C cells in thyroid follicles
D myelin sheath cells of the nervous system
E sodium pump proteins in the cell membrane
Question #16
A Involves production of IgG and IgE antibodies
B The Arthus reaction is a local response
C Involves an immune complex reaction
D Serum sickness is a systemic response
E Antigen-antibody complexes are deposited in the basement membrane of epithelial tissues
Question #17
A allergic rhinitis
B atopic dermatitis
C eczema
D asthma
E anaphylaxis
Question #18
A Organ transplantation
B All of thechoices are correct.
C Both skin graft and organ transplantation
D Skin graft
E Blood transfusion
Question #19
A degranulation
B sensitization
C tissue matching
D None of thechoices are correct.
E desensitization
Question #20
A Bonding of allergen to adjacent IgE binding sites on mast cells and basophils
B Binding of IgE by the Fc region to mast cells and basophils
C Prostaglandins cause vasodilation and increased vascular permeability
D Degranulation
E Histamine acts on smooth muscle
Question #21
A Graft versus host disease
B None of the choices are correct.
C Formation of autoantibodies
D Host rejection of graft
E Hypogammaglobulinemia
Question #22
A Both anaphylaxis and antibody mediated
B Antibody mediated
C Anaphylaxis
D Immune complex mediated
E Both antibody mediated and immune complex mediated
Question #23
A multiple sclerosis
B myasthenia gravis
C Graves’ disease
D tuberculin reaction
E rheumatoid arthritis
Question #24
A leukotriene
B platelet-activating factor
C prostaglandin
D serotonin
E histamine
Question #25
A two identical heavy polypeptide chains
B two identical light polypeptide chains
C a variable and constant region on each polypeptide chain
D four antigen binding sites
E disulfide bonds between polypeptide chains
Question #26
A T cells maturing in the thymus
B hormonal signals that initiate development
C release of mature lymphocytes to begin migration to various lymphoid organs
D All of the choices are correct.
E B cells maturing in bone marrow sites
Question #27
A Fc
B variable
C hinge
D terminal
E Fab
Question #28
A function in allergic reactions
B directly destroy target cells
C suppress immune reactions
D secrete antibodies
E activate B cells and other T cells
Question #29
A hold and present processed antigen on their cell membrane surface
B include dendritic cells
C All of the choices are correct.
D engulf and modify antigen to be more immunogenic
E include macrophages
Question #30
A false
B true
Question #31
A typically a protein antigen
B binding of T-cell to a class II MHC receptor on a macrophage
C interleukin-1 activating the T helper cell
D
E All of the choices are correct.
F binding of T-cell to a site on the antigen
Question #32
A IgA
B IgD
C IgG
D IgE
E IgM
Question #33
A function in allergic reactions
B secrete antibodies
C activate B cells and other T cells
D suppress immune reactions
E directly destroy target cells
Question #34
A hapten
B None of the choices are correct.
C antigen binding site
D variable region
E epitope
Question #35
A function in recognition of self molecules
B receive and transmit chemical messages among other cells of the system
C All of the choices are correct.
D are the result of genetic expression
E aid in cellular development
Question #36
A have large polymers made up of repeating subunits
B are large molecules with a minimum molecular weight of 1,000
C have molecular complexity
D are foreign to the immune system
E are cells or large, complex molecules
Question #37
A allergens
B superantigens
C None of the choices are correct.
D autoantigens
E heterophilic antigens
Question #38
A suppressor T cells
B delayed hypersensitivity T cells
C cytotoxic T cells
D natural killer (NK) cells
E helper T cells
Question #39
A B cells
B Plasma cells
C Cytotoxic T cells
D Antigen-presenting cells
E Helper T cells
Question #40
A certain secreted complement components
B receptors located primarily on macrophages and B cells
C All of the choices are correct.
D self receptors recognized by T lymphocytes
E all HLA antigens
Question #41
A true
B false
Question #42
A can serve as a B-cell receptor
B is a dimer
C contains a central J chain
D is the first class synthesized by a plasma cell
E has 10 antigen binding sites
Question #43
A bacterial toxins that activate T cells at a 100 times greater rate than other antigens
B those that evoke allergic reactions
C None of the choices are correct.
D body tissues that the immune system mistakes as foreign
E cell markers found in some member of a species but not in other members
Question #44
A true
B false
Question #45
A IgM
B IgG
C IgE
D IgD
E IgA
Question #46
A All of the choices are correct.
B have membrane receptors that recognize foreign antigens
C develop into clones of B and T cells with extreme variations of specificity
D possess MHC antigens for recognizing self
E gain tolerance to self by destruction of lymphocytes that could react against self
Question #47
A a set of genes that code for MHC glycoproteins
B All of the choices are correct.
C
D found on the third chromosome
E glycoproteins, called MHC antigens, found on all body cells
F located in the thymus gland
Question #48
A islet of Langerhans cells
B red blood cells
C epithelial cells
D leukocytes
E eosinophils
Question #49
A IgM only
B IgM and IgD
C IgD and IgE
D IgD only
E IgG only
Question #50
A Digestive tract
B Respiratory tract
C Eyes
D Skin
E Urinary tract
Question #51
A reduces the ability of temperature-sensitive organisms to multiply
B increases metabolism
C increases phagocytosis
D increases the availability of iron
E stimulates hematopoiesis
Question #52
A Involves barriers at portals of entry
Involves phagocytic cells (neutrophils and macrophages)
Involves recognition of foreign agents by their pathogen-associated molecular patterns
B Includes chemicals such as lysozyme and lactic acid
Involves barriers at portals of entry
Examples include the ciliated epithelium of the respiratory passages, excretion of urine, and production of tears
C Includes chemicals such as lysozyme and lactic acid
Involves recognition of foreign agents by their pathogen-associated molecular patterns
D Involves phagocytic cells (neutrophils and macrophages)
Involves recognition of foreign agents by their pathogen-associated molecular patterns
Question #53
A basophils
B monocytes
C lymphocytes
D eosinophils
E neutrophils
Question #54
A neutrophils
B macrophages
C cytotoxic T cells
D primary phagocytes
E killer T cells
Question #55
A eosinophils
B platelets
C mast cells
D macrophages
E dendritic cells
Question #56
A Basophils
B Neutrophils
C Lymphocytes
D Eosinophils
E Monocytes
Question #57
A warmth
B pain
C redness
D chills
E swelling
Question #58
A digestive enzymes
B antigens
C histamine
D antibodies
E lysozyme
Question #59
A granulocytes
B monocytes
C agranulocytes
D None of the choices are correct.
E leukocytes
Question #60
A Cause a fever
B Block further invasion
C Start tissue repair
D Destroy microbes
E Mobilize and attract immune components to injury site
Question #61
A migration of white blood cells from the blood out to the tissues
B production of only red blood cells
C production of white blood cells, red blood cells, and platelets
D loss of blood due to hemorrhaging
E plugging of broken vessels to stop bleeding
Question #62
A T cells
B unbroken skin
C hairs
D tears
E mucus
Question #63
A contains fibrinogen
B is the liquid portion of blood in which blood cells are suspended
C is mostly water
D contains albumin and globulins
E All of the choices are correct.
Question #64
A Rubor—redness
B None of these are mismatched.
C Dolar—pain
D Calor—warmth
E Tumor—cancer
Question #65
A Basophils and mast cells release histamine.
B Fever could be beneficial to inhibiting the pathogen.
C It can last hours to years.
D Serotonin causes smooth muscle contraction.
E Pyrogens cause vasodilation and increased capillary permeability.
Question #66
A skin
B eyes
C urinary tract
D digestive tract
E respiratory tract
Question #67
A Extracellular fluid
B Intracellular fluid
C Bloodstream
D Lymphatic system
Question #68
A B cells; neutrophils
B T cells; B cells
C Basophils; T cells
D Monocytes; basophils
E B cells; T cells
Question #69
A Include erythrocytes that, when mature, lose their nuclei
B Include leukocytes that are either granulocytes or agranulocytes
C After birth, produced in red bone marrow sites
D Include Kupffer cells
E Develop from undifferentiated stem cells
Question #70
A motility
B chemotaxis
C diapedesis
D vasodilation
E phagocytosis
Question #71
A thymus
B tonsils
C spleen
D lymph nodes
E GALT
Question #72
A Internal cellular and chemical defenses
Phagocytosis and inflammation
Anatomical and physiological barriers
B Internal cellular and chemical defenses
Use of drugs and antibiotics
Host defenses due to B and T cells and their products
C Host defenses due to B and T cells and their products
Use of drugs and antibiotics
D Host defenses due to B and T cells and their products
Use of drugs and antibiotics
Anatomical and physiological barriers
Question #73
A None of the choices are correct.
B creates a physical barrier against pathogens
C is toxic to pathogens
D destroys pathogens
E physically restricts pathogens to a specific region