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45 Cards in this Set
- Front
- Back
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The immune system usually defends the body against foreign substances that are called? a. Plasma cells b. Antibodies c. Antigens d. Lymphocytes |
C. Antigens |
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Memory is an important function of the immune system because it: a. Retains the memory of the antibody b. Allows faster future immune responses c. Allows faster inflammatory responses d. Weakens future immune responses |
B. Allows faster future immune responses |
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Immunization with a vaccine works by: a. Increasing the risk of an antigen-causing disease b. Using antibodies produced by another person c. Passing antibodies from the mother to the fetus d. Producing active acquired immunity |
D. Producing active acquired immunity |
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Which of the following is an important face about the B-cell lymphocyte? a. It is derived from a precursor stem cell b. It matures and resides in the thymus c. It is produced from plasma cells d. It is active in foreign substance surveillance |
A. It is derived from a precursor stem cell |
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A macrophage is a cell of the immune system that: a. Retains a memory of an encountered antigen b. Produces antibodies c. Undergoes B-cell phagocytosis initially during inflammation d. Can be activated by lymphokines |
D. Can be activated by lymphokines |
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Which statement is correct when applied to natural killer cells? a. They do not circulate within the body b. They secrete antibodies c. They are part of the body's innate immunity d. They are a type of T-cell lymphocyte |
C. They are part of the body's innate immunity |
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In which type of immunopathology are the cells of the body no longer tolerated and treated by the immune system as antigens? a. Hypersensitivity b. Immunodeficiency c. Hyperplasia d. Autoimmune disease |
D. Autoimmune disease |
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During the anaphylactic type of hypersensitivity reaction, the plasma cells: a. Produce antibody called IgE b. React with lymphocytes c. Combine with antigen d. Form immune complexes with antigen |
A. Produce antibody called IgE |
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Which type of hypersensitivity reaction involves activated complement? a. Type I b. Cytotoxic c. Type III d. Anaphylactic |
B. Cytotoxic |
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What type of lymphocyte matures in the thymus, produces lymphokines, and can increase or suppress humoral immunity? a. T-cell lymphocyte b. Plasma cell c. Natural killer cell d. Macrophage |
A. T-cell lymphocyte |
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In the immune system, antibodies are proteins that are: a. Also called immunoglobulins b. Also called cytokines c. Directly produced by lymphocytes d. Directly produced from mast cells |
A. Also called immunoglobulins |
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Which of the following types of immunologic disease involve a decrease number or activity of lymphoid cells? a. Autoimmune b. Hypersensitivity c. Immunodeficiency d. Reactive hyperplasia |
C. Immunodeficieny |
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Humoral immunity involves the production of: a. Antigens b. Antibodies c. Autoimmune cells d. Toxins |
B. Antibodies |
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The laboratory measurement of a specific antibody level in the blood is called: a. Phagocytosis b. Immunization c. Titer d. Pavementing |
C. Titer |
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Which type of immunity may be provided immediately to dental personnel after needlestick accidents? a. Natural passive immunity b. Acquired passive immunity c. Natural active immunity d. Acquired active immunity |
B. Acquired passive immunity |
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Which of the following situations would result in the least risk of drug allergy? a. Application b. Presence of infection c. Presence of multiple allergies d. Use with children |
D. Use with children |
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Which of the following is involved in the regulation of both humoral and cell-mediated immunity? a. Humoral immunity b. Cell-mediated immunity c. Innate immunity d. Bone marrow cells |
B. Cell-mediated immunity |
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Which of the following is involved in the communication between lymphocytes within the immune system? a. Histamine b. Complement c. Bradykinin d. Cytokines |
D. Cytokines |
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All of the following are examples of hypersensitivity reactions except: a. Systemic lupus erthematosus b. Urticaria c. Angioedema d. Contact dermatitis and mucositis |
A. Systemic lupus erthematosus |
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Reactive arthritis is known for being: a. An infectious disease b. An immunodeficiency disease c. An immunologic disorder d. More common in women than in men |
C. An immunologic disorder |
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Which one of the following types of hypersensitivity reactions is referred to as delayed hypersensitivity? a. Type I b. Type II c. Type III d. Type IV |
D. Type IV |
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A target lesion on the skin is associated with which of the following diseases? a. Behcet syndrome b. Systemic lupus erythematosus c. Lichen planus d. Erythema multiforme |
D. Erythema multiforme |
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Tzanck cells are seen in which of the following conditions? a. Pemphigus vulgaris b. Erythema multiforme c. Systemic lupus erythematosus d. Behcet syndrome |
A. Pemphigus vulgaris |
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The oral lesions in Reiter syndrome may resemble: a. Pemphigus vulgaris b. Lichen planus c. Angioedema d. Geographic tongue |
D. Geographic tongue |
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Aphthous ulcers are seen in each all of the following systemic diseases except: a. Behcet syndrome b. Langerhans cell histiocytosis c. Ulcerative colitis d. Cyclic neutropenia |
B. Langerhans cell histiocytosis |
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The two cell types that microscopically characterize Langerhans cell histiocytosis are: a. Lymphocytes and plasma cells b. Fibroblasts and lymphocytes c. Eosinophils and mononuclear cells d. Neutrophils and lymphocytes |
C. Eosionphils and mononuclear cells |
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Which of the following is the form of Langerhans cell histiocytosis that is characterized by a triad of symptoms? a. Letterer-Siwe disease b. Hand-Schuller-Christian disease c. Eosinophilic granuloma d. Behcet syndrome |
B. Hand-Schuller-Christian disease |
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The most benign type of Langerhans cells histiocytosis is: a. Hand-Schuller-Christian disease b. Eosinophilic granuloma c. Letterer-Siwe disease d. Chronic disseminated reticulosis |
B. Eosinophilic granuloma |
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The most characteristic oral manifestation of Sjogren syndrome is: a. Xerostomia b. Geographic tongue c. Erythema multiforme d. Acute disseminated reteculosis |
A. Xerstomia |
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Which of the following statements about autoimmune disease with oral manifestations is considered false? a. The bullae in pemphigus vulgaris are more fragile than those in bullous pemphigoid b. Acantholysis of the epithelium is seen in pemphigus vulgaris. c. In pemphigoid the separation of the epithelium from the connective tissue occurs at the basement membrane d. Skin lesions are common in mucous membrane pemphigoid |
D. skin lesions are common in mucous membrane pemphigoid |
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Which is the most distinct and definitive characteristic that distinguishes pemphigus from pemphigoid? a. Size of the ulcerations b. Age and gender of the patient c. The microscopic findings d. Nikolsky sign |
C. The microscopic findings |
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Desquamative gingivitis may be present in all of the following except: a. Cicatricial pemphigoid b. Pemphigus vulgaris c. Lichen planus d. Aggressive periodontal disease |
D. Aggressive periodontal disease |
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Which of the following orofacial structures could create a life-threatening situation for the patient from angioedema involvement? a. Lips b. Mucosa c. Eyelids d. Epiglottis |
D. Epiglottis |
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Which of the following is a pathologic condition producing a characteristic butterfly-shaped lesion on the face and oral ulcers, occurs more frequently in females than males, and for which the result of a blood test is important in its diagnosis? a. Pemphigus b. Erosive lichen planus c. Desquamative gingivitis d. Lupus erythematosus |
D. Lupus erythematosus |
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Which of the following statements concerning the dendritic cell is considered correct? a. It is found in an immature state within tears b. It is a specialized type called a Langerhans cell that is found in the mucosa c. It is similar to lymphocytes in morphology and function. d. It interacts only with macrophages during the immune response |
B. It is a specialized type called a Langerhans cell that is found in the mucosa |
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What marker does the T-cytotoxic cell carry? a. CD4 b. CD8 c. C-reactive protein d. IgG |
B. CD8 |
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Which of the general types of immunoglobulin is a major antibody found in blood serum and serves as the first passive immunity for the newborn? a. IgA b. IgD c. IgG d. IgM |
C. IgG |
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Which one of the following is the most common cause of serum sickness? a. Aspirin b. Antihistamines c. Corticosteroids d. Penicillin |
D. Penicillin |
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Which type of IgA is present in both tears and saliva? a. Purulent b. Serous c. Secretory d. Reactive |
C. Secretory |
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Which one of the following is involved in the Raynaud phenomenon? a. Kidney tissue b. Ocular components c. Fingers and toes d. Joints |
C. Fingers and toes |
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What type of hypersensitivity reaction is involved in the fixed drug eruption when it occurs in the oral cavity? a. Type I b. Type II c. Type III d. Type IV |
C. Type III |
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Which of the following can be used in the management of herpetiform ulcerations? a. Laser nephelometer b. Topical tetracycline c. Rheumatoid factor d. Rh incompatibility |
B. Topical tetracycline |
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Which factor is important for safety when using a live vaccine? a. Heat stable b. Attenuated c. Virulence d. Synthetic peptides |
B. Attenuated |
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Which of the following descriptions is correct when used to describe cytokines? a. Affect only nephrons within the kidneys b. Include lymphokines and monokines c. Administered parentally with asthma attacks d. Produced in the liver in response to low serum levels |
B. Include lymphokines and monokines |
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What is the most common location for Wickham striae in the intraoral region? a. Dorsal surface of the tongue b. Floor of the mouth c. Buccal mucosa d. Vermilion border |
C. Buccal mucosa |
