Exam 4 Chapter 20

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Exam 4 Chapter 20
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2013-06-17 15:10:18
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Exam 4 Chapter 20
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  1. Nervous system control of voluntary muscles, perception, and thought is localized in the
    A) brain stem
    B) spinal cord
    C) cerebrum
    D) meninges
    E) cerebellum
    C) cerebrum
    (this multiple choice question has been scrambled)
  2. Functions of the meninges include
    A) transmission of signals from the peripheral nervous system
    B) protection from external shock
    C) support for the brain and spinal cord
    D) support for the brain and spinal cord and protection from external shock
    E) production of neurotransmitters
    D) support for the brain and spinal cord and protection from external shock
    (this multiple choice question has been scrambled)
  3. The optic nerves are an example of which of the following?
    A) spinal nerves
    B) synaptic nerves
    C) mixed nerves
    D) sensory nerves
    E) motor nerves
    D) sensory nerves
    (this multiple choice question has been scrambled)
  4. Which of the following would be found in the synaptic cleft?
    A) axons
    B) cell bodies
    C) neurotransmitters
    D) ganglia
    E) neurons
    C) neurotransmitters
    (this multiple choice question has been scrambled)
  5. The nervous system is describes as "axenic" which means
    A) it is an oxygen-free environment
    B) it is full of axons
    C) there are no axons in it
    D) it is normally free of microbes
    E) it contains extensive lymphoid tissue
    D) it is normally free of microbes
    (this multiple choice question has been scrambled)
  6. Encephalitis is an infection of the 
    A) the brain
    B) the meninges
    C) the eye
    D) the cauda equina
    E) neurons of the peripheral nervous system
    A) the brain
    (this multiple choice question has been scrambled)
  7. Endocytosis of Streptococcus pneumoniae by various body cells is triggered by 
    A) phosphorylcholine
    B) fimbriae
    C) a polysaccharide capsule
    D) pneumolysin
    E) secretory IgA protease
    A) phosphorylcholine
    (this multiple choice question has been scrambled)
  8. Neisseria meningitidis is characterized as
    A) having a polysaccharide capsule and fimbriae
    B) being rapidly motile
    C) a Gram-negative diplococcus with a polysaccharide capsule and fimbriae
    D) a Gram-negative diplococcus
    E) a Gram-positive coccobacillus
    C) a Gram-negative diplococcus with a polysaccharide capsule and fimbriae
    (this multiple choice question has been scrambled)
  9. Which of the following causative agents of meningitis requires heme and NAD+ for its growth?
    A) Listeria monocytogenes
    B) Neisseria meningitidis
    C) Streptococcus agalactiae
    D) Streptococcus pneumoniae
    E) Haemophilus influenzae
    E) Haemophilus influenzae
    (this multiple choice question has been scrambled)
  10. Which of the following is the leading cause of meningitis in newborns?
    A) Streptococcus agalactiae
    B) Haemophilus influenzae
    C) Listeria monocytogenes
    D) Neisseria meningitidis
    E) Streptococcus pneumoniae
    A) Streptococcus agalactiae
    (this multiple choice question has been scrambled)
  11. Which of the following causative agents of bacterial meningitis is transmitted by contaminated food?
    A) Listeria monocytogenes
    B) Neisseria meningitidis
    C) Streptococcus pneumoniae
    D) Haemophilus influenzae
    E) Streptococcus agalactiae
    A) Listeria monocytogenes
    (this multiple choice question has been scrambled)
  12. Which of the following is the least common cause of bacterial meningitis?
    A) Haemophilus influenzae
    B) Neisseria meningitidis
    C) Streptococcus agalactiae
    D) Listeria monocytogenes
    E) Streptococcus pneumoniae
    D) Listeria monocytogenes
    (this multiple choice question has been scrambled)
  13. The type of bacterial meningitis that becomes epidemic among adults is caused by
    A) Streptococcus pneumoniae
    B) Neisseria meningitidis
    C) Haemophilus influenzae
    D) Listeria monocytogenes
    E) Streptococcus agalactiae
    B) Neisseria meningitidis
    (this multiple choice question has been scrambled)
  14. Which of the following is true of foodborne botulism?
    A) it is not a life-threatening infection even when left untreated
    B) an effective vaccine is available
    C) large amounts of bacteria must be consumed to produce disease
    D) Normal food preparation methods can prevent it
    E) it is an intoxication disorder
    E) it is an intoxication disorder
    (this multiple choice question has been scrambled)
  15. Which of the following produces the most deadly toxins known?
    A) Listeria monocytogenes
    B) Mycobacterium leprae
    C) Clostridium tetani
    D) Chlamydia trachomatis
    E) Clostridium botulinum
    E) Clostridium botulinum
    (this multiple choice question has been scrambled)
  16. How does tetanospasmin act?
    A) it is a pyrogenic toxin
    B) it blocks the release of inhibitory neurotransmitters in the CNS
    C) it blocks the secretion of acetylcholine into the synaptic cleft
    D) it induces nervous system proteins to fold into abnormal shapes
    E) it triggers the endocytosis of skeletal muscle cells
    B) it blocks the release of inhibitory neurotransmitters in the CNS
    (this multiple choice question has been scrambled)
  17. A baby arrives at an emergency room suffering from violent muscle spasms and difficulty breathing. The baby's body is so rigid a proper exam is difficult, but the staff note the baby is only a few weeks old and the umbilicus has not healed properly. the signs are consistent with which of the following diseases?
    A) acute bacterial meningitis
    B) rabies
    C) tetanus
    D) listeriosis
    E) infant botulism
    C) tetanus
    (this multiple choice question has been scrambled)
  18. Tetanus vaccine contains
    A) antibodies against Clostridium tetani endosporers
    B) fragments of Clostridium tetani cell walls
    C) inactivated Clostridium tetani endospores
    D) antibodies agains Clostridium tetani
    E) inactivated tetanospasmin
    E) inactivated tetanospasmin
    (this multiple choice question has been scrambled)
  19. Hansens's disease is caused by
    A) prions
    B) coxsackie A virus
    C) Streptococcus agalactiae
    D) Neisseria meningitidis
    E) Mycobacterium leprae
    E) Mycobacterium leprae
    (this multiple choice question has been scrambled)
  20. Which of the following diseases is the result of a bacterial infection of peripheral nerves?
    A) rabies
    B) botulism
    C) Hansen's disease
    D) tetanus
    E) acute bacterial meningitis
    C) Hansen's disease
    (this multiple choice question has been scrambled)
  21. Listeria monocytogenes pathogenesis is directly related to its ability to
    A) produce a powerful toxin
    B) form endospores
    C) produce a polysaccharide capsule
    D) resist most antimicrobial agents
    E) live and reproduce inside its host's cells
    E) live and reproduce inside its host's cells
    (this multiple choice question has been scrambled)
  22. Which of the following causes of viral meningitis is transmitted by the fecal-oral route?
    A) equine encephalitis virus
    B) echovirus
    C) rabies
    D) West Nile virus
    E) California encephalitis virus
    B) echovirus
    (this multiple choice question has been scrambled)
  23. Viral meningitis is also called "aseptic meningitis"
    A) because it is vaccine-preventable
    B) to indicate no bacteria are involved
    C) since it is treatable with antiviral medications
    D) because it is frequently a nosocomial infection
    E) to distinguish it from encephalitis
    B) to indicate no bacteria are involved
    (this multiple choice question has been scrambled)
  24. The least common type of polio is
    A) paralytic polio
    B) postpolio syndrome
    C) minor polio
    D) an asymptomatic infection
    E) nonparalytic polio
    A) paralytic polio
    (this multiple choice question has been scrambled)
  25. Slow deterioration of muscle function occurring over many years occurs in
    A) minor polio
    B) postpolio syndrome
    C) leprosy
    D) West Nile encephalitis
    E) African sleeping sickness
    B) postpolio syndrome
    (this multiple choice question has been scrambled)
  26. Poliovirus is most often transmitted via
    A) contaminated water
    B) endospores
    C) mosquitoes
    D) household pets
    E) droplets
    A) contaminated water
    (this multiple choice question has been scrambled)
  27. Which of the following statements concerning rabies is FALSE?
    A) transmission is usually via a bite from a rabid animal
    B) treatment includes vaccination
    C) bats are the source of most cases of rabies in humans
    D) it is caused by an ssRNA virus
    E) all mammals can serve as a reservoir for the disease
    E) all mammals can serve as a reservoir for the disease
    (this multiple choice question has been scrambled)
  28. Which of the following nervous system diseases is treated with both passive and active immunization?
    A) rabies
    B) West Nile encephalitis
    C) arboviral encephalitis
    D) primary amebic meningoencephalopathy
    E) botulism
    A) rabies
    (this multiple choice question has been scrambled)
  29. Rodents are the natural hosts for the virus which cuases
    A) Venezuelan equine encephalitis
    B) St. Louis encephalitis
    C) Eastern equine encephalitis
    D) West Nile encephalitis
    E) Western equine encephalitis
    A) Venezuelan equine encephalitis
    (this multiple choice question has been scrambled)
  30. The disease known as cryptococcal meningitis
    A) is transmitted in respiratory aerosols
    B) is caused by a Gram-negative coccus
    C) begins as a lung infection
    D) results from exposure to bird droppings
    E) results from exposure to bird droppings and begins as a lung infection
    E) results from exposure to bird droppings and begins as a lung infection
    (this multiple choice question has been scrambled)
  31. Tsetse flies transmit
    A) trachoma
    B) Venezuelan equine encephalitis
    C) variant Creutzfeldt-Jakob disease
    D) African sleeping sickness
    E) St. ouis encephalitis
    D) African sleeping sickness
    (this multiple choice question has been scrambled)
  32. All of the following diseases can be fatal if untreated EXCEPT
    A) primary amebic meningoencephalopathy
    B) tetanus
    C) trachoma
    D) cryptococcal meningitis
    E) rabies
    C) trachoma
    (this multiple choice question has been scrambled)
  33. Variant Creutzfeldt-Jakob disease can be prevented by avoiding
    A) consumption of contaminated meat
    B) contaminated waterways
    C) consumption of undercooked meat
    D) contact with mosquitoes
    E) contact with bird droppings
    A) consumption of contaminated meat
    (this multiple choice question has been scrambled)
  34. In trachoma, which of the following becomes scarred and filled with blood vessels, resulting in blindness?
    A) the sclera
    B) the cornea
    C) the retina
    D) the conjunctiva
    E) the fibrous tunic
    B) the cornea
    (this multiple choice question has been scrambled)
  35. Which of the following is classified as a spongiform encephalopathy?
    A) African sleeping sickness
    B) Hansen's disease
    C) arboviral encephalitis
    D) botulism
    E) variant Creutzfeldt-Jakob disease
    E) variant Creutzfeldt-Jakob disease
    (this multiple choice question has been scrambled)
  36. The leading cause of meningitis in adults is 
    A) Streptococcus pneumonia
    B) coxsackie A virus
    C) West Nile virus
    D) Haemophilus influenzae
    E) Streptococcus agalactiae
    A) Streptococcus pneumonia
    (this multiple choice question has been scrambled)
  37. The condition known as "pinkeye" may be the result of infection with
    A) Chlamydia trachomatis
    B) Clostridium botulinum
    C) Trypanosoma brucei
    D) Haemophilus influenzae
    E) Acanthamoeba
    D) Haemophilus influenzae
    (this multiple choice question has been scrambled)
  38. A child is brought to the hospital with a high fever, nausea, and vomiting, and complaining of headache. The cerebrospinal fluid collected by spinal tap is cloudy and contains spherical cells which stain Gram-positive. These signs and symptoms are consistent with
    A) bacterial meningitis probably due to Streptococcus
    B) aseptic meningitis from infection with Neisseria meningitidis
    C) tetanus resulting from infection with Clostridium botulinum
    D) cryptococcal meningitis due to infection with Cryptococcus neoformans
    E) primary amebic encephalitis caused by Naegleria
    A) bacterial meningitis probably due to Streptococcus
    (this multiple choice question has been scrambled)
  39. A young man is experiencing fever and severe headaches, and is having difficulty staying awake. He reports having spent time in Africa on a missionary trip several months ago. Recently he spent time in a park where he went swimming in the lake and was bitten by a bat he attempted to catch. His cerebrospinal fluid is nearly clear, and contains long, slender, mobile cells. This description indicates infection with 
    A) Neisseria meningitidis
    B) Trypanosoma brucei
    C) Acanthamoeba
    D) rabies virus
    E) an enterovirus
    B) Trypanosoma brucei
    (this multiple choice question has been scrambled)
  40. One summer, bird watchers and zookeepers in a major city notice that more birds than usual are dying. At the same time reports of human encephalitis cases increase sharply. The cerebrospinal fluid of human patients is clear. Similar enveloped RNA virus particles are detected in samples from both birds and humans. Which of the following might be responsible for this outbreak?
    A) Neisseria meningitidis
    B) Cryptococcus neoformans
    C) coxsackie A virus
    D) an arbovirus
    E) rabies virus
    D) an arbovirus
    (this multiple choice question has been scrambled)
  41. Trypanosoma brucei infections are characterized by cyclic waves of parasitemia that occu roughly every 7 to 10 days.
    a) True
    b) False
    a) True
  42. Cryptococcal meningitis can affect both healthy and immunocompromised individuals.
    a) True
    b) False
    a) True
  43. Trypanosoma brucei infections are characterized by cyclic waves of parasitemia that occur roughly every 7 to 10 days.
    a) True
    b) False
    a) True
  44. An example of a spongiform encephalopathy is mad cow disease.
    a) True
    b) False
    a) True
  45. Fungi rarely infect the central nervous system.a) True
    b) False
    a) True
  46. Human diploid cell vaccine is used to prevent polio.
    a) True
    b) False
    b) False
  47. Horses and humans are considered "dead-end" hosts for arboviruses.
    a) True
    b) False
    a) True
  48. Naturally-occuring poliomyelitis has occurred as recently as 2007 in the Americas.
    a) True
    b) False
    b) False
  49. Viral meningitis is usually more serious than bacterial meningitis.
    a) True
    b) False
    b) False
  50. Tetanospasmin is released from Clostridium tetani cells as long as they are alive.
    a) True
    b) False
    b) False

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