Oral Pathology - Immunity

39 Questions | Total Attempts: 174

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Oral Pathology Quizzes & Trivia

Quiz on immunity


Questions and Answers
  • 1. 
    The immune system defends the body against foreign substances that are called
    • A. 

      Plasma cells

    • B. 

      Antibodies

    • C. 

      Antigens

    • D. 

      Lymphocytes

  • 2. 
    Memory is an important function of the immune system because
    • A. 

      It retains memory of the antibody

    • B. 

      It allows faster future immune responses

    • C. 

      Like inflammation it remembers the antigen

    • D. 

      It weakens future immune responses

  • 3. 
    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

  • 4. 
    A B lymphocyte is a cell in the immune system that is
    • A. 

      Derived from a precursor stem cell

    • B. 

      Matured and then reside in the thymus

    • C. 

      Produced from plasma cells

    • D. 

      Active in foreign substance surveillance

  • 5. 
    A macrophage is a cell in the immune system that
    • A. 

      Retains the memory of the encountered antigen

    • B. 

      Serves as a link between the inflammatory and repair process

    • C. 

      Undergoes B cell phagocytosis initially during inflammation

    • D. 

      Can be activated by lymphokines

  • 6. 
    Which statement is TRUE of antural killer cells?
    • A. 

      NK cells do not circulate

    • B. 

      NK cells secrete antibodies

    • C. 

      NK cells can recognize antigen

    • D. 

      NK cells do not have memory

  • 7. 
    The cells of the body are no longer tolerated and the immune system treats them as antigens in which type of immune system treats them as antigens in which type of immunopathologic disease
    • A. 

      Hypersensitivity

    • B. 

      Immunodeficiency

    • C. 

      Hyperplasia

    • D. 

      Autoimmune disease

  • 8. 
    During anaphylactic type of hypersensitivity reaction, the plasma cells
    • A. 

      Produce antibody called IgE

    • B. 

      React with lymphocytes

    • C. 

      Combine antigen

    • D. 

      Form immune complexes

  • 9. 
    What type of hypersensitivityreaction involves activated complement?
    • A. 

      Type 1

    • B. 

      Type 2

    • C. 

      Type 3

    • D. 

      Type 4

  • 10. 
    What type of lymphocyte matures in the thymus produces lymphokines and can increase or suppress the humoral immune response?
    • A. 

      B cell

    • B. 

      Plasma cell

    • C. 

      T cell

    • D. 

      Macrophage

  • 11. 
    In the immune system antibodies are proteins that are
    • A. 

      Also termed immunoglobins

    • B. 

      Directly produced from lymphocytes

    • C. 

      Produced in response to other antibodies

    • D. 

      Directly produced from mast cells

  • 12. 
    Which immunopathology involves a decreased number or activity of lymphoid cells?
    • A. 

      Autoimmunity

    • B. 

      Hypersensitivity

    • C. 

      Immunodeficiency

    • D. 

      Immunization

  • 13. 
    The humoral immune response involves the production of
    • A. 

      Antigens

    • B. 

      Antibodies

    • C. 

      Autoimmune cells

    • D. 

      Toxins

  • 14. 
    Measurement of a specific antibody level in the blood is called
    • A. 

      Phagocytosis

    • B. 

      Margination

    • C. 

      Titer

    • D. 

      Pavementing

  • 15. 
    Which type of immunity may be immediately provided to dental personnel following needlestick accidents?
    • A. 

      Natural passive immunity

    • B. 

      Acquired passive immunity

    • C. 

      Natural active immunity

    • D. 

      Acquired active immunity

  • 16. 
    All of the following are examples of hypersensitivity reactions except
    • A. 

      Lichen planus

    • B. 

      Urticaria

    • C. 

      Angioedema

    • D. 

      Contact mucositosis

  • 17. 
    Reiter's syndrome is
    • A. 

      An infectious disorder

    • B. 

      An automatic response

    • C. 

      An immunologic disorder

    • D. 

      More common in women than in men

  • 18. 
    The "target lesion" on the skin is associated with which disease
    • A. 

      Behcet syndrome

    • B. 

      Systemic lupus erythematosus

    • C. 

      Lichen planus

    • D. 

      Erythema multiforme

  • 19. 
    Tzanck cells are sen in which condition?
    • A. 

      Pemphigus vulgaris

    • B. 

      Erythema multiforme

    • C. 

      Systemic lupus erythematosus

    • D. 

      Behcet's syndrome

  • 20. 
    The oral lesion in reiter's syndrome may resemble
    • A. 

      Nicotine stomatitis

    • B. 

      Lichen planus

    • C. 

      Angioedema

    • D. 

      Geographic tongue

  • 21. 
    Which systemic disease is NOT associated ith ahpthous ulcers?
    • A. 

      Behcet syndrome

    • B. 

      Histocytosis X

    • C. 

      Ulcerative colitis

    • D. 

      Crohn's disease

  • 22. 
    The two cells tha thistologically characterize Langerhans cell disease are
    • A. 

      Lymphocytes and plasma cells

    • B. 

      Fibroblasts and lymphocystes

    • C. 

      Eosinophils and mononuclear cells

    • D. 

      Neutrophils and lymphocytes

  • 23. 
    Which one of the following is the form of langerhans cell disease that is characterized by a triad of symptoms?
    • A. 

      Letterer-siwe disease

    • B. 

      Hand-schuller-christian disease

    • C. 

      Eosinophilic granuloma

    • D. 

      Behcet's syndrome

  • 24. 
    The most benign type of histiocytosis X disease is
    • A. 

      Hand-schuller-christian disease

    • B. 

      Eosinophilic granuloma

    • C. 

      Letterer-siwe disease

    • D. 

      Chronic disseminated reticulosis

  • 25. 
    The most significant oral manifestation of sjorgen's sydrome is
    • A. 

      Leukoplakia

    • B. 

      Geographic tongue

    • C. 

      Erthema multiforme

    • D. 

      Xerostomia

  • 26. 
    Which statement is false?
    • A. 

      The bullae of pemphigus culgaris are more fragile than those o bullouw pemphigoid

    • B. 

      Acantholysis of the epithelium is seen in pemphigus vulgaris

    • C. 

      In pemphigoid the separation of the epithelium from the connective tissue occurs in the area of the basement membrane

    • D. 

      Skin lesions are common in cicatrical pemphigoid

  • 27. 
    Which is the most distinct and definitive charactristic that distinguishes pemphigus from pemphigoid?
    • A. 

      Size of the ulcerations

    • B. 

      Age and sex of the patient

    • C. 

      The histologic findings

    • D. 

      Amount of keratosis seen in both

  • 28. 
    Desquamative gingivitis may be seen in
    • A. 

      Cicatrical pemphigoid

    • B. 

      Pemphigus vulgaris

    • C. 

      Lichen planus

    • D. 

      All of the above

  • 29. 
    Which statement is false?
    • A. 

      The primary lesion of syphillis is called a chancre

    • B. 

      The secondary lesion of syphillis occurs at the site of inoculationwith the organism

    • C. 

      The tertiary lesion of syphillis is called a gumma

    • D. 

      Syphillis is caused by the spirochete Treponema pallidum

  • 30. 
    Verruca vulgaris
    • A. 

      Clinically resembles an irritativ efibroma

    • B. 

      Is caused by a human papilloma virus

    • C. 

      Is most commonly seen on the buccal mucosa

    • D. 

      All of the above

  • 31. 
    Which area ia a reaction to angioedema could create very serious complications for the patient?
    • A. 

      Lips

    • B. 

      MUCOSA

    • C. 

      EYELIDS

    • D. 

      Epiglottis

  • 32. 
    Which form of lichen planus can simulate hyperkeratosis or leukoplakia?
    • A. 

      Plaque-like

    • B. 

      Erosive

    • C. 

      Papular

    • D. 

      Reticular

  • 33. 
    This pathologic condition occurs more frequently in females and a blood test is of significant importance to the diagnosis.  Oral lesions are ulcerated and a characteristic butterfly shaped lesion also appears on the skin
    • A. 

      Pemphigus

    • B. 

      Erosive lichen planus

    • C. 

      Desquamative gingivitis

    • D. 

      Lupus erythematosus

  • 34. 
    Oral candidiasis is caused by a
    • A. 

      Bacterium

    • B. 

      Virus

    • C. 

      Fungus

    • D. 

      Protozoan

  • 35. 
    Which statement is false?
    • A. 

      Angular chelitis may be caused by candid albicans

    • B. 

      White lesion resulting from candiasis may not rub off

    • C. 

      Erythematous candidiasis is usually completely asymptomatic

    • D. 

      Denture stomatitis may be a form or oral candidiasis

  • 36. 
    Which type of infection is involved when normal oral flora can cause disease?
    • A. 

      Chronic inflamatory

    • B. 

      Oportunistic

    • C. 

      Hyperplastic

    • D. 

      Granulomatous

  • 37. 
    A cystologic smear may be helpful in the diagnosis of
    • A. 

      Coxsackie virus infection

    • B. 

      Human papillomavirus infection

    • C. 

      Tuberculosis and syphillis

    • D. 

      Candidiasis and herpessimplex infection

  • 38. 
    Which condition is not associated with the epstein-barr virus?
    • A. 

      Hairy leukoplakia

    • B. 

      Herpangina

    • C. 

      Nasopharyngeal carcinoma

    • D. 

      Infectious mononucleosis

  • 39. 
    A characteristeric clinical feature of herpes zoster is
    • A. 

      Ulcer formation

    • B. 

      Pain

    • C. 

      Unilateral distribution of lesions

    • D. 

      White lesions