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45 Cards in this Set
- Front
- Back
The immune system usually defends the body against foreign substances that are called? |
Antigens- any substance able to induce a specific immune response |
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Memory is an important function of the immune system because it?
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Allows faster future immune response
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Immunization with a vaccine works by? |
Producing active acquired immunity |
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Which of the following is an important fact about the B-cell lymphocyte?
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It is derived from a precursor stem cell
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A macrophage is cell of the immune system that?
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Can be activated by lymphokines
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Which statement is correct when applied to natural killer cells?
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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? |
Autoimmune disease |
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During the anaphylactic type of hypersensitivity reaction, the plasma cells? |
Produce antibody called IgE
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Which type of hypersensitivity reaction involves activated complement?
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Cytotoxic |
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What type of lymphocyte matures in the thymus, produces lymphokines, and can increase or suppress humoral immunity? |
T-cell lymphocyte
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In the immune system, antibodies are proteins that are?
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Also called immunoglobulins |
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Which of the following types of immunologic disease involve a decreased number or activity of lymphoid cells?
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immunodeficiency |
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Humoral immunity involves the production of |
Antibodies |
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The lab measurement of a specific antibody level in the blood is called
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Titer |
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Which type of immunity may be provided immediately to dental personnel after needlestick accidents? |
Acquired passive immunity |
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Which of the following situations would result in the least risk of drug allergy? |
use with children |
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Which of the following is involved in the communication between lymphocytes within the immune system?
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Cytokines
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Which of the following is involved in the regulation of both humoral and cell-mediated immunity?
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All of the following are ex of hypersensitivity reactions except?
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-urticarial, angioedema, contact dermatitis and muositis |
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Reactive arthritis is known for being? |
An immunologic disorder
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Which one of the following types of hypersensitivity reactions is referred to as delayed hypersensitivity?
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Type IV |
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A Target lesion on the skin is associated with which of the following diseases? |
Erythema multiforme |
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Tzanck cells are seen in which of the following conditions?
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Pemphigus vulgaris |
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The oral lesions in Reiter syndrome may resemble |
Geographic tongue |
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Aphthous ulcers are seen in each all of the following systemic diseases except? |
Langerhans cell histiocytosis |
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The tow cell types that mircorscopically characterize Langerhans cell histiocytosis are?
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Eosinophils and mononuclear cells |
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Which one of the following is the form of Langerhans cell histiocytosis that is characterized by a triad of symptoms?
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Hand-Schuller-Christian disease |
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The most benign type of LCH is? |
Eosinophilic granuloma |
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The most characteristic oral manifestations of Sjogren syndrome is
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xerostomia |
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Which of the following statements ab autoimmune disease w/oral manifest is considered false?
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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?
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the microscopic findings |
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Desquamative gingivitis may be present in all of the following except? |
-cicatricial pemphigoid, pemphigus vulgaris, Lichen planus |
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Which o the following orofacial structures could create a life-threatening situation for the patient from angioedema involvement? |
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? |
Lupus erythematosus |
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Which of the following statements concerning the dendritic cell is considered correct?
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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?
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CD8 |
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Which of the general types of immunoglobulin is a major antibody found in blood serum and serves as a first passive immunity for the newborn? |
IgG |
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Which 1 of the following is the most common cause of serum sickness
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Penicillin |
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Which type of IgA is present in both tears and saliva? |
Secretory |
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Which one of the following is involved in the Raynaud phenomenon? |
Fingers and toes |
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What type of hypersensitivity reaction is involved in a fixed drug eruption when it occurs in the oral cavity?
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Type III |
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Which of the following can be used in the management of herpetiform ulcerations?
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topical tetracycline |
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Which factor is important for safety when using a live vaccine? |
attenuated |
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which of the following descriptions is correct when used to describe cytokines? |
include lymphokines and monokines |
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What is the most common location for Wickham striae in the intraoral region? |
Buccal mucosa |