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