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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. Bunyaviruses
Flavivirus
Enveloped - SS - - circular - 3 segments - helical
Lysogeny
EBV

2. Tx for neurocystercercosis
No envelope
JC virus (PML) results in demyelination
bendazoles
Babesia

3. Bacitracin
Group A beta - hemolytic strep (S. pyogenes) sensitive. Group B (S. agalactiae) resistant.
Arenavirus
Icosohedral (double)
C. Difficile

4. Food contaminated with eggs; intestinal infection; causes anal pruritis
Most common cause of aseptic meningitis
Doxycycline - ceftriaxone
C. Difficile
Enterobius vermicularis

5. Undercooked fish
Ascaris lumbricoides
Clonorchis sinensis
Coxiella burnetti
Reovirus

6. C. tetani exotoxin: Plasmid - lysogeny - bacterial chromosome?
Enterobius vermicularis
Giardia lamblia
Plasmid
Schistosoma mansoni

7. Used in RSV to neutralize F protein
Palivizumab
Trypansoma cruzi. Chagas dz - S. America
Trichinella spiralis
Togavirus

8. Parasite: Liver cysts
Echinococcus granulosus
Picornavirus
Ancylostoma - Necator
Coxiella burnetti

9. HIV - Superficial vascular proliferation; biopsy reveals neutrophilic inflammation
Amphotericin B
Paramyxovirus
Bartonella henselae (bacillary angiomatosis)
Giardia lamblia

10. Echovirus
Necator americanus
No envelope - SS + linear - Icosahedral
Paramyxovirus
Most common cause of aseptic meningitis

11. Rubeola
Rubeola
Paramyxovirus
Praziquantel
Enveloped - SS+ - linear - icosahedral

12. Togavirus
Lysogeny
Cleaves IgA. S. pneumoniae - H. influenzae type B - Neisseria (SHiN) in order to colonize respiratory mucosa.
HHV-6 (Roseola)
Enveloped - SS+ - linear - icosahedral

13. Triad of chorioretinitis - hydrocephalus - intracranial calcifications
Congenital Toxoplasma gondii
Enveloped - SS + - Icosahedral
C. Difficile
Rubella

14. Deltaviruses
Enveloped - SS - - circular - helical
Pneumocystis jiroveci
Babesia
No envelope - SS + linear - Icosahedral

15. California encephalitis
Bunyavirus
Diethylcarbamazine
Rubeola
Schistosoma mansoni

16. Colorado tick fever
Enveloped - SS - - linear - Helical
Pasteurella multocida
Reovirus
Paramyxoviruses

17. Fever then rash
HHV-6 (Roseola)
Bunyavirus
Paramyxovirus
Flavivirus

18. Inflammation of muscle (larvae encyst in muscle)
Nystatin
P. vivax/ovale
Trichinella spiralis
Cryptosporidium

19. Cytotoxin B
Taenid solium
Palivizumab
C. Difficile
Yellow fever

20. Paramyxoviruses
Dracunculus medinensis
Enveloped - SS - - linear - nonsegmented - Helical
Giardia lamblia
Most common cause of aseptic meningitis

21. Reovirus
Togavirus
Enveloped - SS - - circular - 3 segments - helical
Diethylcarbamazine
DS linear 10-12 segments

22. Pinworm
No envelope - SS + linear - Icosahedral
Enterobius vermicularis
Cryptococcus neoformans
Ascaris lumbricoides

23. HCV
EBV
bendazoles
Flavivirus
Fluconazole or ketoconazole

24. Western equine encephalitis
Aseptic meningitis - herpangina - mycarditis
Enveloped - SS - - linear - Helical
Onchocerca volvulus
Togavirus

25. Food contaminated with eggs; causes granulomas (in in retina -> blindness) and visceral larva migrans
Bacterial chromosome
JC virus (PML) results in demyelination
Toxocara canis
ADP ribosylating A- B toxin inactivates EF-2

26. Tx for Leishmania donovani
Sodium stibogluconate
Yellow fever
Lysogeny
Toxoplasma gondii

27. Tx for Toxocara canis
Calicivirus
Diethylcarbamazine
Pasteurella multocida
Onchocerca volvulus

28. Enterotoxin A
Picornavirus
Watery diarrhea
Quinine - clindamycin
bendazoles

29. Yellow fever
Flavivirus
Echinococcus granulosus
Filovirus
Nifurtimox

30. IgA protease
Cleaves IgA. S. pneumoniae - H. influenzae type B - Neisseria (SHiN) in order to colonize respiratory mucosa.
HHV-6 (Roseola)
Trichinella spiralis
Amphotericin B

31. Giant roundworm
P. falciparum
Nystatin
C. Difficile
Ascaris lumbricoides

32. Eastern equine encephalitis
Bartonella henselae (bacillary angiomatosis)
Cryptosporidium spp.
Amphotericin B
Togavirus

33. Tx for Diphyllobothrium latum
HHV-8
Praziquantel
Picornavirus
Mycobacterium avium - intracellulare

34. Protozoa: Brain abscess in HIV
Diphyllobothrium latum
Amphotericin B
Toxoplasma gondii
Picornavirus

35. Opportunistic fungal infection in ketoacidotic diabetic or leukemic patients
Clostridium difficile - gas gangrene - double zone of hemolysis on blood agar
Mucor or Rhizopus spp.
Trypansoma cruzi. Chagas dz - S. America
Cleaves host cell rRNA (inactivates 60S ribosome); enhances cytokine release - causing HUS.

36. Orthomyxoviruses
Enveloped - SS - - linear - 8 segments - Helical
Reovirus
P. vivax/ovale
T. pertenue

37. Filoviruses
Enveloped - SS - - linear - Helical
Picornavirus
Congenital Toxoplasma gondii
Aseptic meningitis - herpangina - mycarditis

38. HIV - Meningitis; India ink stain reveals narrow - based budding
Mucor or Rhizopus spp.
Cryptococcus neoformans
Taenid solium
Diethylcarbamazine

39. Eaton's agar
Congenital Toxoplasma gondii
Mycoplasma pneumonia
Enveloped - SS + - Icosahedral
Diethylcarbamazine

40. RSV
Diphyllobothrium latum
Paramyxovirus
P. vivax/ovale
Colonic epithelial cell necrosis and stimulation of fibrin deposition

41. Cycles occuring every other day; dormant form in liver -> tx w/primaquine
Toxocara canis
P. vivax/ovale
Cryptococcus neoformans
Orthomyxovirus

42. Enterotoxin A
Rubeola
S. aureus. Binds Fc region of Ig. Prevents opsonization and phagocytosis.
C. Difficile
Giardia lamblia

43. 5- day rash
Rubella
No envelope - SS + linear - Icosahedral
Rubeola
Babesia

44. Protozoa: Bloating - flatulence - foul - smelling - fatty diarrhea
Flavivirus
Giardia lamblia
HHV-6 (Roseola)
Yellow fever

45. Tx for Pseudomonas aeruginosa
Ribavirin
Yellow fever
Aminoglycoside plus extended spectrum penicillin (piperacillin - ticarcillin)
Picornavirus

46. HIV - Interstitial pneumonia; biopsy reveals cells with intranuclear and cytoplasmic inclusion bodies
No envelope
Bunyavirus - hemorrhagic fever - pneumonia
Trypanosoma (T. gambiense - T. rhodiesiense); African sleeping sickness
CMV

47. Reovirus
No envelope
Mucor or Rhizopus spp.
DS linear 10-12 segments
Colonic epithelial cell necrosis and stimulation of fibrin deposition

48. Cercariae penetrate skin of humans; causes granulomas - fibrosis - and inflammation of the spleen and liver. Chronic infection can lead to squamous cell carcinoma of the bladder.
Togavirus
Icosohedral (double)
Schistosoma
Pseudomonas - inactivates EF-2

49. Tx for Wuchereria bancrofti
Diethylcarbamazine
Picornavirus
Toxocara canis
bendazoles

50. Tx for Legionella pneumophila
Enveloped - SS+ - linear - icosahedral
Lysogeny
Erythromycin
Aminoglycoside plus extended spectrum penicillin (piperacillin - ticarcillin)