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Microbiology 2

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Fever and hemolytic anemia; predominantly in NE USA
Babesia
C. Difficile
Enveloped - SS - - circular - 3 segments - helical
Enveloped - SS - - circular - helical

2. Yellow fever
Diethylcarbamazine
Arenavirus
Togavirus
Flavivirus

3. Arenaviruses
Enterobius vermicularis
Enveloped - SS - - circular - 2 segments - helical
Quinine - clindamycin
Ascaris lumbricoides

4. Causes inflammation of the biliary tract -> pigmented gallstones
Clonorchis sinensis
Doxycycline - ceftriaxone
Mucor or Rhizopus spp.
Togavirus

5. Hookworms
Schistosoma
Reovirus
Necator americanus
Reovirus

6. Protozoa: Rapidly fatal meningoencephalitis
Naegleria fowleri
Colonic epithelial cell necrosis and stimulation of fibrin deposition
Enveloped - SS - - linear - 8 segments - Helical
Diethylcarbamazine

7. Picornaviruses
Invasive aspergillosis
Paramyxovirus
Nonenveloped - SS + - Icosahedral
Rubella

8. Bunyaviruses
Enveloped - SS + - Icosahedral
Paramyxovirus
Enveloped - SS - - circular - 3 segments - helical
Enveloped - SS+ - linear - icosahedral

9. Tx for neurocystercercosis
Lysogeny
bendazoles
Mycoplasma pneumonia
Onchocerca volvulus

10. Reovirus
Pathognomonic for measles or live attenuated vaccine
Diphyllobothrium latum
DS linear 10-12 segments
Clonorchis sinensis

11. Shuffner dots
CMV
Colonic epithelial cell necrosis and stimulation of fibrin deposition
Clostridium difficile - gas gangrene - double zone of hemolysis on blood agar
P. vivax/ovale

12. Coxackievirus
Coxackie A - syphilis - Rocky Mountain spotted fever
Picornavirus
Trichinella spiralis
Mycobacterium avium - intracellulare

13. HDV
Praziquantel
Deltavirus
Aminoglycoside plus extended spectrum penicillin (piperacillin - ticarcillin)
Enterobius vermicularis

14. Exotoxin A
Bunyavirus
Icosohedral (double)
Nystatin
Pseudomonas - inactivates EF-2

15. Tx for Loa Loa
bendazoles
Ceftriaxone
Trichinella spiralis
Diethylcarbamazine

16. Optochin
Paramyxovirus
S. pneumoniae sensitive - S. viridans resistant
Paragonimus westermani
Pathognomonic for measles or live attenuated vaccine

17. Mucicarmine
Pathognomonic for measles or live attenuated vaccine
Stains cryptococcus neoformans red
Filovirus
Amphotericin B

18. Councilman bodies (acidophilic inclusions) in liver
Yellow fever
Loa Loa
Cryptosporidium spp.
Enveloped - SS - - linear - nonsegmented - Helical

19. HIV - Abscesses - ring - enhancing lesions on imaging
Rubella
Mucor or Rhizopus spp.
Toxoplasma gondii
Paramyxovirus

20. Eggs visible in feces; intestinal infection
Ascaris lumbricoides
Onchocerca volvulus
Plasmid
Reovirus

21. Maltese cross in RBC
Babesia
Lysogeny
Palivizumab
Enveloped - SS + - Icosahedral

22. Parasite: Microcytic anemia
Cryptosporidium spp.
Loa Loa
Ancylostoma - Necator
Enveloped - SS - - linear - 8 segments - Helical

23. Treatment for Tinea versicolor
Coxiella burnetti
Topical miconazole - selenium sulfide
Trypanosoma (T. gambiense - T. rhodiesiense); African sleeping sickness
Leishmania donovani

24. Parasite: Liver cysts
ADP ribosylating A- B toxin inactivates EF-2
Flavivirus
Echinococcus granulosus
C. Difficile

25. Lassa fever encephalitis
Loa Loa
Enterobius vermicularis
Nifurtimox
Arenavirus - spread by mice

26. Echovirus
Toxoplasma gondii
Nonenveloped - SS + - Icosahedral
Most common cause of aseptic meningitis
Paramyxovirus

27. Parasite: Hematuria - bladder CA
Schistosoma haematobium
Flavivirus
Topical miconazole - selenium sulfide
Quinine - clindamycin

28. LCMV - lymphocytic choriomeningitis virus
Arenavirus
Paramyxovirus
Flavivirus
Topical miconazole - selenium sulfide

29. Ingestion of larvae encysted in undercooked pork. Cysticercosis and neurocysticercosis - mass lesions in brain.
EBV
Lysogeny
Group A beta - hemolytic strep (S. pyogenes) sensitive. Group B (S. agalactiae) resistant.
Taenid solium

30. Reovirus
Ribavirin
No envelope
Heart block - bilateral Bell's palsy
Paramyxovirus

31. Eastern equine encephalitis
Flavivirus
Togavirus
Cleaves IgA. S. pneumoniae - H. influenzae type B - Neisseria (SHiN) in order to colonize respiratory mucosa.
Mucor or Rhizopus spp.

32. California encephalitis
T. pertenue
Praziquantel
Paramyxovirus
Bunyavirus

33. Rash preceded by cough - coryza - conjunctivitis
Ancylostoma - Necator
Trichinella spiralis
EBV
Rubeola

34. Prophylaxis in close contacts of pts w/Haemophilus influenzae meningitis
Togavirus
Rifampin
Toxocara canis
Praziquantel

35. Treatment for systemic candida infection
No envelope - SS + linear - Icosahedral
Amphotericin B
Babesia
Orthomyxovirus

36. Fever then rash
Trichinella spiralis
Cleaves IgA. S. pneumoniae - H. influenzae type B - Neisseria (SHiN) in order to colonize respiratory mucosa.
HHV-6 (Roseola)
Congenital rubella

37. HIV - Superficial vascular proliferation; biopsy reveals neutrophilic inflammation
Bartonella henselae (bacillary angiomatosis)
Palivizumab
No envelope - SS + linear - Icosahedral
Diethylcarbamazine

38. Orthomyxoviruses
HHV-6 (Roseola)
Pathognomonic for measles or live attenuated vaccine
Rubella
Enveloped - SS - - linear - 8 segments - Helical

39. Deltaviruses
Enveloped - SS - - circular - helical
S. epidermidis sensitive. S. saprophyticus resistant.
Sodium stibogluconate
Picornavirus

40. Tx for Trichomonas vaginalis
Doxycycline - ceftriaxone
Metronidazole
Sodium stibogluconate
Pasteurella multocida

41. Shiga toxin: Plasmid - lysogeny - bacterial chromosome?
Bacterial chromosome
Mucor or Rhizopus spp.
Enveloped - SS - - circular - 3 segments - helical
Ancylostoma - Necator

42. Ebola/Marburg hemorrhagic fever
Filovirus
Coxiella burnetti
Trichomonas vaginalis
Enveloped - SS - - linear - 8 segments - Helical

43. Protein A
bendazoles
Paramyxovirus
S. aureus. Binds Fc region of Ig. Prevents opsonization and phagocytosis.
Dracunculus medinensis

44. Shiga toxin
Naegleria fowleri
Lysogeny
Necator americanus
Cleaves host cell rRNA (inactivates 60S ribosome); enhances cytokine release - causing HUS.

45. Treatment for Sporothrix schenckii
Arenavirus
Diphyllobothrium latum
Flavivirus
Itraconazole or potassium iodide

46. Fungal infection with rhinocerebral - frontal lobe abscesses
HHV-6 (Roseola)
Enveloped - SS + - Icosahedral
Mucor or Rhizopus spp.
Paramyxovirus

47. Severe congenital infection
Paramyxovirus
Rubella
Aseptic meningitis - herpangina - mycarditis
No envelope

48. Kala - azar: spiking fevers - hepatosplenomegaly - pancytopenia
Cleaves IgA. S. pneumoniae - H. influenzae type B - Neisseria (SHiN) in order to colonize respiratory mucosa.
Togavirus
Enveloped - SS+ - linear - icosahedral
Leishmania donovani

49. Undercooked meat (pork)
bendazoles
Trichinella spiralis
P. vivax/ovale
Congenital Toxoplasma gondii

50. dsRNA segmented virus
Aseptic meningitis - herpangina - mycarditis
Yellow fever
Reovirus
Giardia lamblia