Microbiology Chapt. 22

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jessebuck90
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96409
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Microbiology Chapt. 22
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2011-08-11 08:25:14
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Microbiology microbial diseases respiratory system
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Quiz Chapter 22
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  1. Which of the following is NOT part
    of the lower respiratory system?
    A. alveoli
    B. bronchi
    C. pharynx
    D. trachea
    E. larynx
    C.
    (this multiple choice question has been scrambled)
  2. All of the following are normal microbiota of the upper respiratory system EXCEPT:
    A. Staphylococcus aureus
    B. Moraxella catarrhalis
    C. Streptococcus pneumoniae
    D. Haemophilus influenzae
    E. Streptococcus pyogenes
    E.
    (this multiple choice question has been scrambled)
  3. The designation “group A”, used to help classify Streptococcus pyogenes,
    refers to this bacterium’s
    A. Lancefield antigen
    B. type of streptokinase produced
    C. hemolysis pattern
    D. disease association
    E. M protein
    A.
    (this multiple choice question has been scrambled)
  4. Which of the following allow group A streptococci to spread through tissues by breaking down blood clots?
    A. streptolysin
    B. M proteins
    C. pyrogenic toxins
    D. streptokinase
    E. a hyaluronic acid capsule
    D.
    (this multiple choice question has been scrambled)
  5. Which of the following is/are associated with some cases of streptococcal pharyngitis?
    A. A, B, and C
    B. rheumatic fever
    C. Both B and C
    D. acute glomerulonephritis
    E. scarlet fever
    A.
    (this multiple choice question has been scrambled)
  6. Which of the following S. pyogenes virulence factors decreases leukocyte activity and movement into an infected area?
    a. streptolysins
    b. pyrogenic
    toxins
    c. streptokinases
    d. the hyaluronic acid capsule
    e. C5a peptidase
    e.
  7. Pathogenic streptococci of the upper respiratory tract (such as S. pyogenes) exhibit which of the following types of hemolysis
    A. alpha
    B. beta
    C. no hemolysis
    D. A and B
    E. A and C
    B.
    (this multiple choice question has been scrambled)
  8. What is the primary determinant of virulence in Streptococcus pneumoniae?
    a. the presence of a particular
    Lancefield antigen
    b. the production of pneumolysin
    c. the presence of a polysaccharide
    capsule
    d. the ability to lyse red blood
    cells
    e. strain-specific teichoic acids in
    its cell wall
    c.
  9. V shapes and palisade arrangements are associated with which of the following?
    A. Streptococcus pneumoniae
    B. Streptococcus pyogenes
    C. Corynebacterium diphtheriae
    D. Chlamydophila psittaci
    E. Legionella pneumophila
    C.
    (this multiple choice question has been scrambled)
  10. All of the following are true statements concerning diphtheria EXCEPT:
    a. it is uncommon in industrialized nations
    b. a diffuse rash is the major sign
    of diphtheria
    c. the signs and symptoms of the
    disease are directly caused by a bacterial toxin
    d. it can be treated with penicillin
    e. a conclusive diagnosis is made
    with an Elek test
    b.
  11. Diphtheria toxin kills cells by interfering with which of the following processes?
    A. complement function
    B. adenylate cyclase activity
    C. protein synthesis
    D. nucleic acid synthesis
    E. cell membrane function
    C.
    (this multiple choice question has been scrambled)
  12. All of the following statements are true concerning the common cold EXCEPT:
    a. viruses in the genus Rhinovirus are one cause of the common cold
    b. It is confined to the upper
    respiratory tract
    c. cold viruses reproduce most
    effectively at 370C
    d. cold viruses remain viable for
    hours outside the body
    e. colds are rarely transmitted by
    explosive sneezes
    c.
  13. Which of the following is extremely fastidious in its nutrient requirements, which include iron salts and cysteine?
    A. Bacillus anthracis
    B. Legionella pneumophila
    C. Mycobacterium tuberculosis
    D. Streptococcus pyogenes
    E. Bordetella pertussis
    B.
    (this multiple choice question has been scrambled)
  14. All of the following are true statements concerning tuberculosis EXCEPT:
    a. it occurs only in the lungs
    b. only about 10 cells are required
    for infection
    c. It remains viable in dried
    aerosol droplets for up to 8 months
    d. virulent strains of M. tuberculosis produce cord factor
    e. Ghon complexes are produced when
    the immune system eliminates the infection
    a.
  15. Bordetella pertussis causes whooping cough by
    a. interfering with the activity of
    ciliated epithelial cells in the trachea
    b. the development of pneumonia
    c. suppressing mucous production
    d. forming a pseudomembrane that
    obstructs the respiratory passages
    e. irritating the diaphragm which
    leads to sever coughing attacks
    a.
  16. All of the following are toxins produced by Bordetella pertussis EXCEPT:
    A. pertussis toxin
    B. dermonecrotic toxin
    C. adenylate cyclase
    D. tracheal cytotoxin
    E. pyrogenic toxin
    E.
    (this multiple choice question has been scrambled)
  17. The DTaP vaccine protects against which of the following?
    A. anthrax
    B. the common cold
    C. pneumonia
    D. pertussis
    E. tuberculosis
    D.
    (this multiple choice question has been scrambled)
  18. All of the following are true statements concerning inhalational anthrax EXCEPT:
    a. it is the most severe form of
    anthrax
    b. it is transmitted by endospores
    c. a variety of drugs can be used to
    treat anthrax
    d. it can be spread from person to
    person
    e. an effective vaccine is available
    d.
  19. The typical signs and symptoms of flu are a result of
    a. cytokines released as part of the
    immune response
    b. the release of viral toxins
    c. syncytium formation
    d. secondary bacterial infections
    e. the death of cells outside the
    lungs
    a.
  20. Coronaviruses cause
    A. A and B
    B. the common cold
    C. SARS
    D. valley fever
    E. A, B, and C
    A.
    (this multiple choice question has been scrambled)
  21. Croup is often a result of infection with which of the following?
    A. Bordetella pertussis
    B. Mycoplasma pneumoniae
    C. hantavirus
    D. RSV
    E. influenzavirus
    D.
    (this multiple choice question has been scrambled)
  22. Mycobacteria are characterized by all of the following EXCEPT:
    A. slow growth
    B. intracellular growth capability
    C. resistance to Gram staining
    because of cord factor production
    d. resistance to lysis after
    phagocytosis
    e. presence of mycolic acid in the
    cell wall
    C.
    (this multiple choice question has been scrambled)

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