Upper Respiratory Tract Infections

20 Questions | Total Attempts: 2285

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Upper Respiratory Tract Infections

Questions and Answers
  • 1. 
    What is the most common invader of the nasopharynx?
    • A. 

      Bacteria

    • B. 

      Fungi

    • C. 

      Viruses

    • D. 

      Dirty little phalanges

  • 2. 
    __________ and ___________ make up more than 50% of colds.
    • A. 

      Coronavirus and cytomegalovirus

    • B. 

      Rhinovirus and coronavirus

    • C. 

      Cytomegalovirus and streptococcus

    • D. 

      Rhinovirus and streptococcus

  • 3. 
    How is the common cold diagnosed?
    • A. 

      Blood test

    • B. 

      Stool sample

    • C. 

      Clinical presentation of symptoms

    • D. 

      By mothers everywhere

  • 4. 
    70% of acute sore throats are caused by viruses.
    • A. 

      True

    • B. 

      False

  • 5. 
    _____________ is a common cause of sore throat and often infects the conjunctiva as well as the pharynx to cause pharyngoconjunctival fever.
    • A. 

      Adenovirus

    • B. 

      Epstein-Barr virus

    • C. 

      Cytomegalovirus

    • D. 

      Enterovirus

  • 6. 
    Ulcers on the hard palate and tongue, seen in hand, foot, and mouth disease is due to ____________.
    • A. 

      Epstein-Barr virus

    • B. 

      Cytomegalovirus

    • C. 

      Coxsackie A virus

    • D. 

      Adenovirus

  • 7. 
    _______________presenting with swollen tonsils covered in white exudate is caused by ____________.
    • A. 

      Strep throat, strepococcus pneumoniae

    • B. 

      Infectious mononucleosis, Epstein-Barr virus

    • C. 

      Ulcers, deep kissing

    • D. 

      Infectious mononucleosis, cytomegalovirus

  • 8. 
    __________ is the largest human herpes virus with only one serotype. 
    • A. 

      CMV

    • B. 

      HSV

    • C. 

      Coxsackie A16

    • D. 

      EBV

  • 9. 
    Most people infected with CMV are asymptomatic
    • A. 

      True

    • B. 

      False

  • 10. 
    CMV causes an infection when......
    • A. 

      Cell-mediated immunity is impaired

    • B. 

      Humoral immunity is impaired

    • C. 

      Both cell-mediated and humoral immunity are impaired

  • 11. 
    EBV is structurally and morphologically ___________ to other herpes viruses but is ___________distinct
    • A. 

      Different, identifiably

    • B. 

      Identical, antigenically

    • C. 

      Similar, not

  • 12. 
    ____________ is the major antigen for EBV
    • A. 

      Early antigen (EA)

    • B. 

      Nuclear antigen (EBNA)

    • C. 

      Viral capsid antigen (VCA)

    • D. 

      Latent antigen (LA)

  • 13. 
    EBV is transmitted by the exchange of
    • A. 

      Seminal fluid

    • B. 

      Blood

    • C. 

      Saliva

    • D. 

      Feces

  • 14. 
    EBV replicates in B lymphocytes, more specifically it attaches to the _________ receptor.
    • A. 

      C3d

    • B. 

      CD28

    • C. 

      C3b

    • D. 

      B71

  • 15. 
    ______________ is the condition caused by EBV replication in squamous epithelial cells in the tongue.
    • A. 

      Hand, foot, and mouth disease

    • B. 

      Hairy tongue

    • C. 

      Parotitis

    • D. 

      Peritonsillar abscess

  • 16. 
    What allows for the long-term infection/latency period of EBV?
    • A. 

      Action against complement and interferon

    • B. 

      Production of fake IL-10 molecule

    • C. 

      Prevention of apoptosis of infected cells

  • 17. 
    ____________ is associated with EBV and is seen in African children
    • A. 

      AML

    • B. 

      Burkitt's lymphoma

    • C. 

      ALL

    • D. 

      Hodgkin's lymphoma

  • 18. 
    _____________ is the most common and most important bacteria responsible for pharyngitis?
    • A. 

      Corynebacterium diphtheriae

    • B. 

      Haemophilus influenzae (type B)

    • C. 

      Streptococcal tonsillitis

    • D. 

      Strep. Pyogenes (group A B-hemolytic)

  • 19. 
    What virus is a single-stranded RNA paramyxovirus that is spread by air-borne droplets, salivary secretions, and possibly urine?  
    • A. 

      Measles

    • B. 

      Mumps

    • C. 

      Rubella

    • D. 

      Otitis

  • 20. 
    ________ is a potential complication of mumps affecting susceptible adults. 
    • A. 

      Otitis

    • B. 

      Parotitis

    • C. 

      Orchitis

    • D. 

      Tonsillitis