Microbiology Chapt. 16

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jessebuck90
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96796
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Microbiology Chapt. 16
Updated:
2011-08-11 11:11:12
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Microbiology adaptive immunity
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Question for quiz chapter 16
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  1. Antigens are
    A. enzymes secreted to destroy a pathogen's wall
    B. cells that protect the body against invaders
    C. proteins on the surface of our cells that pathogens attach to
    D. proteins the body produces against invading substances
    E. specific molecules that the body recognizes as foreign
    E.
    (this multiple choice question has been scrambled)
  2. Which of the following characteristics would NOT make a molecule more antigenic?
    A. a molecule with many epitopes
    B. a molecule with a small molecular mass (less than 5000 daltons)
    C. a stable molecule that maintains a definite shape
    D. complex molecules like a glycoprotein or phospholipid
    E. a complex molecule with many antigenic determinants
    B.
    (this multiple choice question has been scrambled)
  3. An invading bacterial cell would be a source of which of the following?
    A. autoantigens
    B. exogenous antigens
    C. self-antigens
    D. antibody antigens
    E. endogenous antigens
    B.
    (this multiple choice question has been scrambled)
  4. Which of the following statements about lymphocytes is incorrect?
    A. lymphocytes have integral surface glycoproteins by which they can be recognized
    B. once they are mature, they migrate to the bone marrow
    C. there are 250 types of CD molecules, some of which are present on lymphocytes
    D. the glycoproteins on the surface of a lymphocyte are designated with the prefix CD, for cluster of differentiation
    E. B and T lymphocytes cannot be differentiated under the microscope
    B.
    (this multiple choice question has been scrambled)
  5. Lymph node aggregates are found in all of the following areas EXCEPT:
    A. the axilla (armpit)
    B. the abdomen
    C. the wrist
    D. the groin
    E. the neck
    C.
    (this multiple choice question has been scrambled)
  6. Peyer's patches are found in the
    A. tonsils
    B. spleen
    C. respiratory tract
    D. mammary glands
    E. small intestine
    E.
    (this multiple choice question has been scrambled)
  7. The designation "B" for B lymphocytes comes from
    A. the bone marrow where these cells are produced
    B. the fact that these cell produce antibodies
    C. the sequence in which these lymphocytes were discovered
    D. the bursa of Fabricius in birds where these cells were first identified
    E. the ability of these cells to provide immunity through body fluids
    D.
    (this multiple choice question has been scrambled)
  8. Major histocompatibility antigens are
    A. antigens that provoke allergic reactions
    B. not really antigens, but rather antibodies produced to mask foreign antigens
    C. glycoproteins found on the surface of most vertebrate animals
    D. antigens that must be processed by cells called histiocytes in order to be recognized by the immune system
    E. antigens attached to foreign invaders
    C.
    (this multiple choice question has been scrambled)
  9. Which of the following statements concerning adaptive immunity is incorrect?
    A. it is acquired
    B. it is the body's ability to respond to specific invading pathogens
    C. it is the third line of defense
    D. it has memory
    E. it takes a long time to respond whenever it encounters a pathogen
    E.
    (this multiple choice question has been scrambled)
  10. What type of immunity is produced by the body when a person receives a vaccine?
    A. inborn immunity
    B. naturally acquired active immunity
    C. naturally acquired passive immunity
    D. artificially acquired passive immunity
    E. artificially acquired active immunity
    E.
    (this multiple choice question has been scrambled)
  11. Which of the following is NOT considered part of the immune system?
    A. the tonsils
    B. the lymph nodes
    C. the spleen
    D. the liver
    E. Peyer's patches
    D.
    (this multiple choice question has been scrambled)
  12. Enhanced immune responses to subsequent exposures to an antigen to which the body has already been exposed are known as
    A. memory responses
    B. third-degree immune responses
    C. allergic responses
    D. primary immune responses
    E. autoimmune responses
    A.
    (this multiple choice question has been scrambled)

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