Lower Respiratory Tract Infections

17 Questions | Total Attempts: 479

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Respiratory Quizzes & Trivia

Questions and Answers
  • 1. 
    Whooping cough is a prolonged illness caused by toxins produced by ___________ bacteria. 
  • 2. 
    B. pertussis is a strictly human pathogen.
    • A. 

      True

    • B. 

      False

  • 3. 
    Whooping cough is most communicable at the __________ phase. 
    • A. 

      Catarrhal

    • B. 

      Paroxysmal

    • C. 

      Convalescent

  • 4. 
    Influenza ____ has the greatest virulence and epidemic spread. 
    • A. 

      A

    • B. 

      B

    • C. 

      C

  • 5. 
    Influenza A and B have ___ segments of negative-sense , single stranded RNA, while Influenza C has ___ segments.
    • A. 

      7,8

    • B. 

      8,9

    • C. 

      8,7

    • D. 

      7,9

  • 6. 
    ____________ has 15 recognized subtypes and is important for viral attachment.
    • A. 

      Neuraminidase

    • B. 

      Hemagglutinin

    • C. 

      Glycoprotein

    • D. 

      Cilia

  • 7. 
    _________ is a "slower process" that may result in as little as a single mutation in the viral RNA, occuring every few years in influenza A. 
    • A. 

      Antigenic shift

    • B. 

      Antigenic drift

    • C. 

      Bottleneck effect

  • 8. 
    H1N1 receptors are predominantly found in the ___________ . 
    • A. 

      Lower portion of the lung

    • B. 

      Upper portion of the respiratory tract

    • C. 

      Lower portion of the respiratory tract

    • D. 

      Upper portion of the lung

  • 9. 
    The influenza virus causes no significant GI involvment.
    • A. 

      True

    • B. 

      False

  • 10. 
    The most common mode of transmission for influenza virus is ________________.
    • A. 

      Fecal-oral route

    • B. 

      Indirect airborne inhalation

    • C. 

      Direct droplet spread

    • D. 

      Direct physical contact

  • 11. 
    Avian influenza viruses (H5N1) can retain infectivity for __________ outside the host. 
    • A. 

      12-24hours

    • B. 

      A few days

    • C. 

      Several weeks

    • D. 

      Multiple years

  • 12. 
    ______________ is the most common way in which influenza may cause death.
    • A. 

      Underlying disease

    • B. 

      Superinfections

    • C. 

      Direct rapid progression

  • 13. 
    MTB can produce large quantities of ___________, which is uncommon to other mycobacteria. 
    • A. 

      Tuberculin

    • B. 

      Niacin

    • C. 

      Endotoxin

    • D. 

      Exotoxin

  • 14. 
    ______________ of tuberculin is used for skin testing of MTB exposure. 
  • 15. 
    Primary tuberculosis in which inhaled droplet nuclei are deposited in the peripheral respiratory alveoli, most frequently occurs in __________ lobe(s) of the lungs. 
    • A. 

      Upper

    • B. 

      Upper and middle

    • C. 

      Middle and lower

    • D. 

      Lower

  • 16. 
    The mixture of _________ and _________ responses manifests in a microscopic structure called a granuloma. 
    • A. 

      Th1 immune, Th2 immune

    • B. 

      Th1 immune, DTH

    • C. 

      Th2 immune, DTH

    • D. 

      Th2 immune, cytotoxic

  • 17. 
    ________ and _________ are the leading causes of premature death in the world. 
    • A. 

      Tuberculosis and malaria

    • B. 

      Leishmania and loa loa

    • C. 

      Tuberculosis and AIDS

    • D. 

      AIDS and malaria