..
.Section I. AVMA article "Biological
terrorism against animals and humans: a brief review and primer for action:"
1. Ricin
toxin from Ricinus communis is considered a catagory A agent. True or False..
2. Francisella
tularensis, a catagory A agent could potentially pose a risk to national security.
True or False..
3. Multidrug-resistant
tuberculosis, a catagory B agent could be engineered for mass dissemination
in the future because of availability, ease of production and dissemination,
and potential for high morbidity and mortality and major health impact. True
or False..
4. The Department
of Justice and the CDC's Public Health Assessment Instrument for Public Health
Preparedness recommends that local public health planners develop a roster
of individuals with technical expertise able to respond to a biological, chemical,
or radiological terrorist event; plan to initiate contact with veterinarians
and other public health professionals within two hours. True or False..
5. Veterinarians
have an important role in bioterrorism response preparation, surveillance
for potential bioterrorism events, treatment of the ill, and in the control
of disease. True or False..
6. If economic
and political vulnerabilities are factored in as contributing issues, then
agricultural bioterrorism (the intentional targeting of a nation's livestock
and crop resources) becomes more likely, perhaps even more so than attacks
against humans. True or False..
7. A recent
study by US public health officials concluded that the veterinary education
model "which looks at populations rather than individual patients, might serve
as a model for the medical community. True or False..
8. To prevent
confusion and costly delays in recognition and reporting, veterinarians should
seek continuing education opportunities on natural and intentionally introduced
foreign animal diseases, that include a review of the clinical signs of these
diseases, as well as variations in their relative species susceptibility.
True or False..
9. There
is no need for veterinary practitioners to work closely with their human medical
counterparts at the local level. True or False..
Section
II. Zoonotic Disease
10. Brucella
abortus is most likely zoonotic agent in the lab animal facility. True or
False..
11. Salmonella
is not considered a common bacterial cause of food-poisoning worldwide. True
or False..
12. Salmonella
typhi is the cause of Typhoid Fever. True or False..
13. Infected
sheep, goats and poultry are usually asymptomatic carriers of Salmonella.
True or False..
14. Salmonella
infection in humans is not notifiable in the United States. True or False..
15. The
principal reservoir of Shigellosis infection for man is the cannine host.
True or False..
16. In human
Shigellosis infection, treatment of hypertension is lifesaving in severe cases.
True or False..
17. During
an outbreak of Yersinia Pseudotuberculosis, also known as the "Black Death,"
25,000,000 people perished, a fourth of the population of the world. True
or False..
18. Yersonia
Pestis is ubiquitous in nature and can be isolated from dust, soil, water,
milk. True or False..
19. Disseminated
intravascular coagulation is a complication of Yersinia Enterocolitica. True
or False..
20. According
to the CDC strategic plan for the response to biological and chemical terrorism,
Yersinia Pestis is classified as a catagory 3 agent. True or False..
21. Tuberculosis
is a major cause of morbidity and mortality throughout the world with upwards
of one billion people infected with the tubercle bacillus. True or False..
22. Dusty
bedding of infected animals, coughing of infected animals, and aerosolization
of the organism during sanitation procedures may also be source of exposure
to Mycobacterium bacilli. True or False..
23. Miliary
TB is rarely seen in the very young or old people. True or False..
24. Mycobacterium
leprae is easy to distinguish from other unculturable mycobacteria naturally
infecting animals. True or False..
25. Man
is the principal reservoir of Mycobacterium leprae. True or False..
26. Contact
isolation is required for lepromatous leprosy. True or False..
27. Raw
crustaceans are implicated in up to 90% of food-related cases of Vibrio parahaemolyticus.
True or False..
28. Listeria
monocytogenes is a gram negative coccobacillus. True or False..
29. Person-to-person
transmission of Listeria monocytogenes is possiblefrom inhalation of the organism.
True or False..
30. Rodents
are the only major animal species that can shed leptospires throughout their
life-span without clinical manifestations. True or False..
31. Weil's
syndrome-usually caused by Leptospira canicola. True or False..
32. Epidemic
louse-borne infection is not considered zoonotic. True or False..
33. Humans.Louse-borne
relapsing fever is not notifiable to the World Health organization. True or
False..
34. Borrelia
burgdorferi was first implicated in 1982 as agent in a 1975 epidemic
of juvenile inflammatory arthropathy in Old Lyme Connecticut. True or False..
35. Birds
are an important reservoir and means of dispersal.of Borrelia burgdorferi,
contributing to spread to 46 states with the annual number of Lyme disease
cases increasing 18 fold from 497 to 8803. True or False..
36. As the
main reservoirs for human Campylobacter infection, Ferrets shed organisms
for long period of time (> 16 weeks). True or False..
37. Campylobacter
has been isolated from houseflies. True or False..
38. Contact
with dogs and cats have been indicated as sources of Colibacillosis infection
for children. True or False..
39. Hjarre's
disease (coligranuloma), which is a condition in suckling pigs, characterized
by granulomatous lesions in the liver, cecum, spleen, bone marrow, and lungs.
True or False..
40. 30-35%
of healthy humans have staphylococci in the nasopharynx and on the skin, therefore,
sneezing, coughing, expectorating can contaminate food. True or False..
41. The
blood contains very large numbers of Bacillus anthracis. True or False..
42. A main
features Anthrax infection is disseminated intravascular coagulation. True
or False..
43. In Staphylococcal
food poisening, Enterotoxin F is the most prevalent in outbreaks. True
or False..
44. If environmental
conditions are favorable, Staphylococcal aureus multiplies in the food and
produces enterotoxins that are not destroyed even if the food is subjected
to boiling while being cooked. True or False..
45. The
Staphylococcal bacterium is intertransmissible between man and animals and
that the latter may reinfect man. True or False..
46. Dermatophilus
congolensis in animals is also referred to as pustular desquamative dermatitis.
True or False..
47. Clinical
infection of Pseudomonas pseudomallei in endemic areas based on serology
is common. True or False..
48. Pseudomonas
mallei can be differentiated from Pseudomonas pseudomallei serologically.
True or False..
49.
The fatality rate of P.mallei in humans is 95% if left untreated. True or
False..
50. Francisella
tularensis, a small pleomorphic, gram-positive, coccobacillus that can survive
several weeks in the external environment. True or False..
51. To prevent
transmission of Francisella tularensis, avoid bites of flies, mosquitos, and
ticks and avoid drinking, bathing, swimming in untreated water in endemic
areas. True or False..
52. Spirillum
minus (Haverhill Fever) was named after a 1926 outbreak in Haverhill, Mass.
attributed to contaminated milk. True or False..
53. Oral
cavity and upper respiratory tract secretions of all animals and birds may
be colonized by Pasteurella multocida. True or False..
54. Clostridium
perfringens food poisoning is due to spore contamination of foods which survive
heating to vegetate in unrefrigerated conditions. True or False..
55. Chlamydia
psittaci can cause inapparent infection or fulminant infection in the same
host. True or False..
56. The
reservoir for fungal conidia is environmental, probably the soil.
True or False..
57. Diphyllobothrium
latum is common in coastal South America, especially Peru. True or False..
58. The
definitive hosts of Diphyllobothrium pacificum include humans, dogs and cats.
True or False..
59. In humans,
dogs and cats. Diphyllobothriasis is usually asymptomatic. True or False..
60. Larval
diphyllobothriasis is a common disease in humans with localizations of sparganum
in subcutaneous connective tissue and superficial muscles. True or False..
61. In man,
Bertielliasis is caused by ingesting food containing the mites infected with
cysticercoid larvae. True or False..
62. In Dipylidiasis,
Dogs, and cats are the intermediate hosts which harbor the cysticercoid larvae.
True or False..
63. Echinococcus
granulosis - causes "alveolar" disease. True or False..
64. Hymenolepis
diminuta in rodents and humans is a result of accidentally swallowing
the infected arthropods (fleas, beetles, and cockroaches that serve as intermediate
hosts), usually in cereals or stored products. True or False..
65. Humans
can be both definitive and intermediate hosts of Hymenolepis nana, causing
the same disease pattern as Hymenolepis diminuta. True or False..
66. Microsporum
canis can be carried by up to 89% of nonsymptomatic cats. True or False..
67. Pulmonary
sporotrichosis can be confused with TB. True or False..
68. Cryptococcosis
and histoplasmosis are fungal infections categorized as to the location on
the body, caused by the organisms Cryptococcus neoformans and Histoplasma
capsulatum. True or False..
69. Anisakiasis
infection can only be treated by antihelminthic drugs. True or False..
70. Subclinical
Trichinellosis is common in commercial pork operations. True or False..
71. In rodents,
Angiostrongylosis cantonensis produces lesions that are located primarily
in the cecum, as well as focal or diffuse edema of the subserosa, a reduction
in mesenteric fat, and swelling of the regional lymph nodes. True or False..
72. In man,
the clinical manifestations of abdominal angiostrongyliasis caused by Angiostrongylosis
cantonensis are moderate but prolonged fever, abdominal pain on the right
side. and, frequently, anorexia, diarrhea, and vomiting. True or False..
73. Angiostrongyliasis
usually persists for weeks to months, the parasite dies, and the patient then
recovers spontaneously, usually without sequelae. True or False..
74. Ancylostoma
infection is a common worm infection of humans and domestic dogs and cats
in various tropical and subtropical countries where disposal of human feces
is inadequate. True or False..
75. In the
transmission cycle of capillariasis, humans are infected by eating raw fish
containing infective larvae, the parasite lives in the intestines of humans
, autoinfection occurs and human feces contain large numbers of ova which
contaminate watercourses and infect freshwater fish. True or False..
76. The
commonest causative agent of filariasis is Wuchereria bancrofti, which zoonotic.
True or False..
77. The
reservoir mechanism for Toxocara cati is latent infections in female
cats which are reactivated during pregnancy. Transmission from mother to Kittens
is via the placenta and milk. True or False..
78. Deaths
associated with Oesophagostomiasis in non human primates may result
from perforation of the intestine and peritonitis. True or False..
79. Man
acquires Trichostrongylosis infection mainly by consuming raw vegetables contaminated
with the infective larvae. True or False..
80. The
causative agent of Ascariasis in humans is usually Ascaris suum which
is considered occasionally a zoonotic infection. True or False..
81. Babesia
can easily be misdiagnosed as Plasmodium in malaria-endemic areas. True or
False..
82. An estimated
500 million humans have been infected with Toxoplasma gondii, with 1/3 of
US human population having serologic evidence of past infection. True or
False..
83. Four
species of Plasmodium are known to infect humans: P. falciparum, P. vivax
, P. ovale and P. malariae. True or False..
84. In Gambian
trypanosomiasis, animals, especially domestic cattle and pigs, play an important
role as reservoirs. True or False..
85. Humans
are the main reservoir and source of infection of Trypanosoma cruzi. True
or False..
86. An estimated
12 million people are infected with Trypanosoma cruzi, mostly in rural areas,
resulting in about 60,000 deaths yearly. True or False..
87. It is
estimated that there are about 50 million case of invasive amebiasis and
40,000-100,000 deaths annually worldwide. True or False..
88. After
Cryptosporidium oocysts are passed in stool, sporulation occurs in 2 to 3
days. True or False..
89. Giardia
lamblia infection occurs worldwide and is nearly universal in children in
developing countries. True or False..
90. Wild
animals, dogs and humans serve as reservoirs of Leishmania. True or False..
91. Without
treatment, the case fatality rate of visceral Leishmaniosis is 90%. True or
False..
92. Microsporidia
are obligatory extracellular parasites (macrophages, histiocytes, endothelial
cells, kidney tubular cells, etc.) with a characteristic spore stage and a
unique mode of infecting host cells. True or False..
93. Coxiella
burnetii is shed in urine, feces, milk, and especially birth products of domestic
ungulates that generally do not show clinical disease (usually sheep and
goats). True or False..
94. Coxiella
burnetii is resistant to drying and can persist for months while providing
extensive environmental contamination. True or False..
95. 11 to
59% of dogs in U.S. are serologically positive for Rickettsia rickettsii.
True or False..
96. Ehrlichiosis
is similar to Rocky mountain spotted fever, but no rash. True or False..
97. Ehrlichiosis
is the most severe and most frequently reported rickettsial illness in the
United States. True or False..
98. Aerosol
is a major means of transmission of Rickettsia akari. True or False..
99. Mites
(“chiggers”) transmit Orientia tsutsugamushi, the agent of Murine typhus,
to humans. True or False..
100. Humans
are the reservoir for Schistosoma japonicum. True or False..
101. Schistosomiasis
infects more than 200 million persons worldwide. True or False..
102. Orthopoxvirus
Disease in humans is indistinguishable from smallpox. True or False..
103. Vaccination
with vaccinia virus is not protective against Monkey Pox in both man and nonhuman
primates. True or False..
104. There
are more than 35 Herpesviruses of non human primates, most of which are zoonotic.
True or False..
105. 80-100%
of imported adult rhesus may have antibody for Herpesvirus. True or False..
106. Clinical
disease is rarely observed with generalized Herpes simplex in human infants.
True or False..
107. All
arboviral encephalitides are zoonotic. True or False..
108. Humans
and domestic animals serve as the primary vertebrate hosts in the complex
transmission cycle of arboviral encephalitides. True or False..
109. La
Crosse (LAC) encephalitis is an alphavirus and is a zoonotic pathogen cycled
between the daytime-biting treehole mosquito, Aedes triseriatus, and vertebrate
amplifier hosts (chipmunks, tree squirrels) in deciduous forest habitats.
True or False..
110. Approximately
one-third of all people with clinical encephalitis caused by eastern equine
encephalitis (EEE) will die from the disease and of those who recover, many
will suffer permanent brain damage with many of those requiring permanent
institutional care. True or False..
111. The
enzootic cycle of western equine encephalitis (WEE) involves passerine birds,
in which the infection is inapparent, and culicine mosquitoes, principally
Culex pipiens. True or False..
112. St.
Louis encephalitis (SLE) is the most common mosquito-transmitted human pathogen
in the U.S. True or False..
113. The
St. Louis encephalitis syndrome is more frequent in elderly persons; its frequency
increases from 56% in patients up to 20 years old to 87% in those over 60.
True or False..
114. Powassan
(POW) virus is a flavivirus and currently the only well documented tick-borne
transmitted arbovirus occurring in the United States and Canada. True or
False..
115. A St.
Louis encephalitis (SLE) epidemic occurred in the fall of 1995 in Venezuela
and Colombia with an estimated 90,000 human infections. True or False..
116. It
was estimated that over 200,000 horses died during a large 1971 Venezuelan
equine encephalitis (VEE) epizootic in Texas, which was controlled by a massive
equine vaccination program using an experimental live attenuated VEE vaccine.
True or False..
117. Human
vaccines are now available for eastern equine encephalitis (EEE), western
equine encephalitis (WEE), St. Louis encephalitis (SLE) and La Crosse (LAC)
encephalitis. True or False..
118. Pigs
are the main amplifying hosts of Japanese encephalitis (JE) virus in peridomestic
environments. True or False..
119. Humans
may serve as the primary host in the transmission cycle of Yellow Fever. True
or False..
120. The
reservoir hosts of the hantavirus in the southwestern United States also act
as hosts for the bacterium Yersinia pestis. True or False..
121. Laboratory
work that may result in propagation of hantaviruses should be conducted in
a special facility (biosafety level 1). True or False..
122. Junin
Virus, Machupo Virus and Lassa Fever are classified in the Bunyaviridae family,
Hantaan virus genus. True or False..
123. Person
to person transmission of Lymphocytic Choriomemingitis (LCM) is common. True
or False..
124. Marburg
virus is100% fatal in experimentally infected African Green Monkeys, Rhesus,
squirrel monkeys, guinea pigs, and hamsters. True or False..
125. Ebola
is similar to Marburg both morphologically and antigenically. True or False..
126. Rabies,
an acute, fatal encephalomyelitis caused by neurotropic viruses in the family
Rhabdoviridae is found on all continents except Antarctica. True or False..
127. The
clinical course of Rabies infection can be divided into 3 phases: the prodromal,
the excitative, and the paralytic. True or False..
128. Transmission
of hepatitis A virus (HAV) cannot occur through exposure to contaminated water,
ice, or shellfish harvested from sewage-contaminated water; or from fruits,
vegetables, or other foods that are eaten uncooked and that were contaminated
during harvesting or subsequent handling. True or False..
129. New
world monkeys are the only known reservoir of Rubeola. True or False..
130. Humans,
wild and domestic birds, horses and pigs are reservoirs of influenza viruses,
which appear to be species specific. True or False..
131. Rotavirus
is the most common cause of severe diarrhea among children, resulting in the
hospitalization of approximately 55,000 children each year in the United States
and the death of over 600,000 children annually worldwide. True or False..
132. Human
immunodeficiency viruses (HIV) can be classified as a zoonotic disease. True
or False..
133. Unlike
many viruses, the properties of prions change dramatically when they are passaged
from one species to another. True or False..
134.
The susceptibility of a particular species to prions from another species
can be profoundly affected by different prion strains. True or False..
135. Chronic
wasting disease (CWD), Transmissible mink encephalopathy (TME), Bovine spongiform
encephalopathy (BSE), Feline spongiform encephalopathy (FSE), and Exotic
ungulate encephalopathy (EUE) are all thought to occur after the consumption
of prion-infected foods. True or False..
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