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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. Enterotoxin A
Cryptococcus neoformans
C. Difficile
No envelope - SS + linear - Icosahedral
Diethylcarbamazine

2. Reovirus
Ancylostoma - Necator
Trichinella spiralis
Flavivirus
Icosohedral (double)

3. Tx for Trichomonas vaginalis
JC virus (PML) results in demyelination
Rubeola
Metronidazole
Paramyxovirus

4. HIV - Encephalopathy
Mycoplasma pneumonia
JC virus (PML) results in demyelination
Togavirus
Pseudomonas - inactivates EF-2

5. Tx for Wuchereria bancrofti
P. vivax/ovale
Coxackie A - syphilis - Rocky Mountain spotted fever
Bunyavirus - hemorrhagic fever - pneumonia
Diethylcarbamazine

6. Tx for Lyme dz
Doxycycline - ceftriaxone
Togavirus
S. pneumoniae sensitive - S. viridans resistant
Most common cause of aseptic meningitis

7. Sabouraud's agar
Arenavirus
Cryptococcus neoformans
Pathognomonic for measles or live attenuated vaccine
Icosohedral (double)

8. Bunyaviruses
Nystatin
Colonic epithelial cell necrosis and stimulation of fibrin deposition
Itraconazole or potassium iodide
Enveloped - SS - - circular - 3 segments - helical

9. Parasite: Liver cysts
Echinococcus granulosus
Enveloped - SS - - linear - nonsegmented - Helical
Schistosoma mansoni
Loa Loa

10. Calicivirus
Clonorchis sinensis
Trypanosoma (T. gambiense - T. rhodiesiense); African sleeping sickness
No envelope - SS + linear - Icosahedral
Enveloped - SS - - linear - nonsegmented - Helical

11. Rubella
Wuchereria bancrofti
Togavirus
Sodium stibogluconate
Giardia lamblia

12. Ebola/Marburg hemorrhagic fever
Diethylcarbamazine
Filovirus
Arenavirus
Trypansoma cruzi. Chagas dz - S. America

13. Organisms causing rash on palms and soles
S. pneumoniae sensitive - S. viridans resistant
Coxackie A - syphilis - Rocky Mountain spotted fever
Enveloped - SS - - circular - 2 segments - helical
CMV

14. Rhabdoviruses
Paramyxovirus
Toxoplasma gondii
Amphotericin B
Enveloped - SS - - linear - Helical

15. Treatment for Sporothrix schenckii
Coxiella burnetti
CMV
Itraconazole or potassium iodide
Flavivirus

16. Parainfluenza - croup
Cleaves IgA. S. pneumoniae - H. influenzae type B - Neisseria (SHiN) in order to colonize respiratory mucosa.
Paramyxovirus
Sodium stibogluconate
Praziquantel

17. Kala - azar: spiking fevers - hepatosplenomegaly - pancytopenia
Pasteurella multocida
S. aureus. Binds Fc region of Ig. Prevents opsonization and phagocytosis.
Leishmania donovani
Paramyxovirus

18. Influenza virus
Colonic epithelial cell necrosis and stimulation of fibrin deposition
Orthomyxovirus
Trichinella spiralis
Rifampin

19. West nile virus
Flavivirus
Clostridium difficile - gas gangrene - double zone of hemolysis on blood agar
Mycobacterium avium - intracellulare
Echinococcus granulosus

20. Norwalk virus - viral gastroenteritis
Calicivirus
Schistosoma haematobium
Enterobius vermicularis
Praziquantel

21. Protozoa: Rapidly fatal meningoencephalitis
Naegleria fowleri
Paramyxovirus
Necator americanus
Trichinella spiralis

22. Parasite: Hematuria - bladder CA
P. vivax/ovale
Sodium stibogluconate
Schistosoma haematobium
Rubeola

23. Warthin - Finkeldy giant cell
Pathognomonic for measles or live attenuated vaccine
Flavivirus
Clonorchis sinensis
Congenital Toxoplasma gondii

24. RSV
Paramyxovirus
JC virus (PML) results in demyelination
Pasteurella multocida
Invasive aspergillosis

25. HTLV
Paramyxoviruses
Retrovirus
Bunyavirus
P. falciparum

26. Tx for Echinococcus granulosus
Ascaris lumbricoides
Rubella
P. vivax/ovale
bendazoles

27. Used in RSV to neutralize F protein
Palivizumab
Mucor or Rhizopus spp.
Reovirus
Toxoplasma gondii

28. Filoviruses
Stains cryptococcus neoformans red
Paramyxovirus
Enveloped - SS - - linear - Helical
Enterobius vermicularis

29. Coxackievirus
Pasteurella multocida
Aseptic meningitis - herpangina - mycarditis
Aminoglycoside plus extended spectrum penicillin (piperacillin - ticarcillin)
Ascaris lumbricoides

30. Treatment for Tinea versicolor
Cryptococcus neoformans
Most common cause of aseptic meningitis
CMV
Topical miconazole - selenium sulfide

31. Colorado tick fever
bendazoles
HHV-6 (Roseola)
Reovirus
Calicivirus

32. Coxackievirus
Aminoglycoside plus extended spectrum penicillin (piperacillin - ticarcillin)
Dracunculus medinensis
Picornavirus
Ribavirin

33. Ingestion of larvae encysted in undercooked pork. Cysticercosis and neurocysticercosis - mass lesions in brain.
Enveloped - SS - - circular - helical
Taenid solium
Stains cryptococcus neoformans red
Rubeola

34. Fever then rash
Enveloped - SS+ - linear - icosahedral
P. falciparum
Congenital Toxoplasma gondii
HHV-6 (Roseola)

35. Togavirus
bendazoles
Togavirus
Enveloped - SS+ - linear - icosahedral
Cleaves IgA. S. pneumoniae - H. influenzae type B - Neisseria (SHiN) in order to colonize respiratory mucosa.

36. Shiga toxin: Plasmid - lysogeny - bacterial chromosome?
Flavivirus
HHV-8
Bacterial chromosome
Schistosoma

37. dsRNA segmented virus
Reovirus
Most common cause of aseptic meningitis
Schistosoma haematobium
Praziquantel

38. Echovirus
Most common cause of aseptic meningitis
Bunyavirus
Dracunculus medinensis
Togavirus

39. O Ag of Salmonella: Plasmid - lysogeny - bacterial chromosome?
Paramyxovirus
Onchocerca volvulus
Lysogeny
Flavivirus

40. Tx for Pseudomonas aeruginosa
Aminoglycoside plus extended spectrum penicillin (piperacillin - ticarcillin)
Ceftriaxone
Enveloped - SS - - linear - nonsegmented - Helical
P. vivax/ovale

41. Opportunistic fungal infection in ketoacidotic diabetic or leukemic patients
Arenavirus
Cryptococcus neoformans
Mucor or Rhizopus spp.
Cleaves host cell rRNA (inactivates 60S ribosome); enhances cytokine release - causing HUS.

42. Causes inflammation of the biliary tract -> pigmented gallstones
Babesia
Paramyxovirus
Clonorchis sinensis
Naegleria fowleri

43. Tx for RSV
Mucor or Rhizopus spp.
Aseptic meningitis - herpangina - mycarditis
Ribavirin
Enveloped - SS - - linear - nonsegmented - Helical

44. HIV - Chronic watery diarrhea; acid - fast cysts seen in stool
Paramyxovirus
Praziquantel
Invasive aspergillosis
Cryptosporidium spp.

45. Shuffner dots
HPV
P. vivax/ovale
Bunyavirus
Bacterial chromosome

46. Bacitracin
Most common cause of aseptic meningitis
Praziquantel
Group A beta - hemolytic strep (S. pyogenes) sensitive. Group B (S. agalactiae) resistant.
Flavivirus

47. Exotoxin A
Echinococcus granulosus
Mycobacterium avium - intracellulare
Pseudomonas - inactivates EF-2
Schistosoma

48. Inflammation of muscle (larvae encyst in muscle)
Trichinella spiralis
Enveloped - SS+ - linear - icosahedral
Rubeola
Calicivirus

49. Poliovirus
Picornavirus
Reovirus
Yellow fever
Flavivirus

50. Reovirus
Picornavirus
DS linear 10-12 segments
Trichomonas vaginalis
Trypansoma cruzi. Chagas dz - S. America