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49 Cards in this Set
- Front
- Back
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1. Rocky Mountain Spotted Fever (RMSF) is caused by the bacterium
Rickettsia ricketsii which is transmitted to humans by the tick Dermacentor variabilis. There is transovarial transmission in the tick, which can maintain infections for years. Subsequently, the ticks can infect rodents and other mammals, which can also maintain the bacteria. Which of the following statements is false? A. ticks are the vectors of RMSF B. RMSF is a zoonosis C. rodents and other mammals are reservoirs D. without mammals the disease could not be maintained in nature E. ticks can pass the bacterium from mother to offspring |
D. without mammals the disease could not be maintained in nature
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2. Which of the following is the best example of a mechanical vector?
A. tick B. flea C. mosquito D. house fly |
D. house fly
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3. Chaga’s disease is transmitted by,
A. ticks B. mosquitoes C. conenose (kissing) bugs D. lice |
C. conenose (kissing) bugs
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4. Lyme disease is transmitted by
A. ticks B. mosquitoes C. conenose (kissing) bugs D. lice |
A. ticks
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5. Which of the following situations describes an abiotic reservoir of an
agent? A. agent is naturally maintained animals B. agent is naturally maintained protist C. agent is naturally maintained in soil |
C. agent is naturally maintained in soil
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6. Infections that occur in hospitals are,
A. vector borne B. nosocomial C. zoonoses D. endemic |
B. nosocomial
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7. A village of 100 people was examined for parasite infections. At the
beginning of the year 2004, 20 out of 100 villagers had parasites. When all villagers were examined at the beginning of the year 2005, 40 out of 100 had parasites. Assuming no deaths or births, which of the following cannot be accurately determined with the information provided? A. the prevalence at the start of 2004 B. the prevalence at the start of 2005 C. the incidence for 2004 D. the incidence for 2005 |
D. the incidence for 2005
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8. Which of the following is not a type of bacterium that frequently causes
nosocomial infections A. Staphylococcus aureus B. Pseudomonas aeruginosa C. Candida albicans D. none of the above |
D. none of the above
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9. If you have the same strain of E. coli in your intestine for many years, it
is a____ A. pathogen B. resident C. transient D. vector |
B. resident
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10. Which of the following viral diseases is not correctly matched with the
etiological agent A. yellow fever - flavivirus B. SARS-coronavirus C. chicken pox - pox virus D. genital warts –human papillomavirus |
C. chicken pox - pox virus
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11. What type of virus causes influenza?
A. Flavivirus B. Bunyavirus C. Orthomyxovirus D. Herpesvirus |
C. Orthomyxovirus
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12. Which of the following is not true of prions?
A. they are infectious proteins B. they can have a slow incubation period C. they have the same/similar amino acid sequence compared to some normal mammalian proteins D. they are easily destroyed by routine heat sterilization E. they convert normal proteins from helices to beta pleated sheets |
D. they are easily destroyed by routine heat sterilization
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13. Which of the following is not true regarding the species of
Schistosoma that cause bilharzia (schistosomiasis)? A. The eggs are ingested by the human B. The female worm lives within the body groove of the male worm C. The life cycle includes a snail D. The adult worms live in the hepatic portal veins of the human host. |
A. The eggs are ingested by the human
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14. Encephalitis is an inflammation of the,
A. brain B. kidneys C. heart D. lungs |
A. brain
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15. Trypanosoma brucei rhodesiense, the agent of is,
A. Chaga’s disease B. sleeping sickness C. leishmaniasis D. bilarzia |
B. sleeping sickness
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16. Reassortments of genetic material between different avian influenza
virus strains is an example of A. Antigenic shift B. Antigenic drift C. Mutation D. Conjugation |
A. Antigenic shift
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17. Hepatitis A is transmitted through___.
A. mosquitoes bite B. fecal-oral route C. aerosols D. infected wounds |
B. fecal-oral route
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18. Which disease results in enlargement of the oral cavity?
A. German measles B. the measles C. the mumps D. chicken pox |
C. the mumps
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19. The SARS virus is most similar to____
A. common cold virus B. hantavirus C. parainfluenza D. influenza virus |
A. common cold virus
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20. Which of the following is considered a dermatophyte?
A. Trichophyton B. Pneumoytsis C. Streptococcus D. Staphylococcus E. all of the above |
A. Trichophyton
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21. Which of the following is not a fungus?
A. Coccidioides immitis B. Histoplasma capsulatum C. Taenia saginata D. Filobasidiella neoformans E. more than one of the above |
C. Taenia saginata
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22. Bacteria other than Shigella that produces shiga toxin,
A. Mycobacterium ulcerans B. Vibrio parahemolyticus C. Campylobacter jejuni D. Escherichia coli |
D. Escherichia coli
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23. Gram positive cocci that are alpha hemolytic and can cause
conjunctivitis or meningitis A. Staphylococcus aureus B. Streptococcus pyogenes C. Streptococcus pneumoniae D. Enterococcus faecalis |
C. Streptococcus pneumoniae
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24. Enterotoxin-producing species that causes pseudomembranous colitis
and antibiotic associated diarrhea, A. Clostridium difficile B. Clostridium tetani C. Pseudomonas aeruginosa D. Actinomyces isrealii |
A. Clostridium difficile
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25. Gram negative bacterium that causes a respiratory illness in birds or
humans. A. Mycobacterium avium B. Chlamydia psittici C. Streptococcus pyogenes D. Actinomyces isrealii |
B. Chlamydia psittici
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26. Food intoxication resulting from eating reheated rice most likely caused
by_____. A. Clostidium tetani B. Actinomyces isrealii C. Bacillus cereus D. Bacillus anthracis |
C. Bacillus cereus
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27. The toxin produced by Clostridium botulinum causes___.
A. spastic paralysis B. flaccid paralysis C. hemolysis D. necrosis |
B. flaccid paralysis
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28. Rickettsia akari causes _____.
A. Scrub typhus B. Cat scratch fever C. Rocky Mountain spotted fever D. Rickettsial pox |
D. Rickettsial pox
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29. Which of the following diseases is transmitted by ticks?
A. HME B. HGE C. RMSF E. all of the above |
E. all of the above
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30. Sub groups of Salmonella enterica that are distinguished by variation
of antigens are called______. A. Serovars B. Species C. Genera D. Families |
A. Serovars
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31. What would be the most likely route of transmission in a case of E. coli
0157: H7? A. mosquito bite B. sharing a hypodermic needle C. ingesting cattle feces D. surgery |
C. ingesting cattle feces
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32. Which of the following could be transmitted by vectors and aerosol?
A. Salmonella enteritidis B. Pseudomonas aeruginosa C. Yersinia pestis D. Vibrio cholerae |
C. Yersinia pestis
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33. Which organism is not Gram negative?
A. Escherichia coli B. Mycobacterium tuberculosis C. Legionella pneumophila D. Helicobacter pylori |
B. Mycobacterium tuberculosis
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34. Which of the following organisms would be the most likely cause of
food-borne illness resulting from eating raw eggs? A. Helicobacter pylori B. Vibrio vulnificus C. Salmonella enterica D. Borrelia burgdorferi |
C. Salmonella enterica
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35. Bacterial reproduction occurs most frequently by_____
A. binary fission B. budding C. sex D. quaternary fusion |
A. binary fission
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36. Mycobacterium leprae causes___.
A. Hansen’s disease B. tuberculosis C. Buruli ulcer D. pneumonia E. none of the above |
A. Hansen’s disease
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37. Which of the following is a spirochete?
A. Borrelia B. Spirillum C. Helicobacter D. Vibrio E. all of the above |
A. Borrelia
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38. Diptheria, pertussis and tetanus are all bacterial diseases.
A. True B. False |
A. True
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39. Anaerobic, filamentous, branching rods that are often normal flora but
can cause opportunistic infections, A. Mycobacterium ulcerans B. Actinomyces isrealii C. Corynebacterium diptheriae D. Listeria monocytogenes |
B. Actinomyces isrealii
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40. Gram-positive rod that can grow in the refrigerator and cause fetal
abnormalities in pregnant women, A.Mycobacterium ulcerans B. Actinomyces isrealii C. Corynebacterium diptheriae D. Listeria monocytogenes |
D. Listeria monocytogenes
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41. Infection with this organism results in erythema chronicum migrans,
A. Bordetella pertussis B. Neisseria gonorrhoeae C. Vibrio vulnificus D. Borrelia burgdorferi |
D. Borrelia burgdorferi
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42. Can cause wound infection or food borne infection from eating raw
oysters, A. Bordetella pertussis B. Neisseria gonorrhoeae C. Vibrio vulnificus D. Borrelia burgdorferi |
C. Vibrio vulnificus
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43. Gram negative rod that causes opportunistic infections of burns,
A. Ehrlichia chaffeensis B. Rochalimaea quintana C. Bordetella pertussis D. Mycobacterium avium E. Pseudomonas aeruginosa |
E. Pseudomonas aeruginosa
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44. Causes gonorrhea,
A. Rochalimaea quintana B. Bordetella pertussis C. Neisseria gonorrhoeae D. Vibrio vulnificus |
C. Neisseria gonorrhoeae
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45. Agent of trench fever,
A. Ehrlichia chaffeensis B. Rochalimaea quintana C. Bordetella pertussis D. Neisseria gonorrhoeae |
B. Rochalimaea quintana
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46. Hepatitis A, B and C viruses,
A. are in the same virus family B. are all well known to cause cancer C. can all cause liver inflammation D. are all sexually transmitted |
C. can all cause liver inflammation
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49. Influenza viruses can,
A. be zoonotic B. become pandemic C. be distinguished by H and N anitigens D. mutate by antigenic drift and shift E. all of the above |
E. all of the above
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48. Shingles and chicken pox are caused by,
A. A pox virus B. the same virus C. an RNA virus D. bacteria E. more than one of the above |
B. the same virus
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50. Which of the following is not an arbovirus?
A. EEE B. yellow fever virus C. HSV-1 D. Dengue fever virus |
C. HSV-1
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