Test your basic knowledge |

Microbiology 2

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. Corynebacterium diptheria toxin
Ancylostoma duodenale - Necator americanus
Enveloped - SS - - linear - 8 segments - Helical
Itraconazole or potassium iodide
ADP ribosylating A- B toxin inactivates EF-2

2. HIV - Pneumonia CD4<200
Strongyloides stercoralis
Pneumocystis jiroveci
Rubeola
Colonic epithelial cell necrosis and stimulation of fibrin deposition

3. Calicivirus
Picornavirus
No envelope - SS + linear - Icosahedral
P. vivax/ovale
Bartonella henselae (bacillary angiomatosis)

4. Alpha toxin
Clostridium difficile - gas gangrene - double zone of hemolysis on blood agar
P. vivax/ovale
Trypansoma cruzi. Chagas dz - S. America
Enveloped - SS - - linear - nonsegmented - Helical

5. Novobiocin
Entamoeba histolytica
Cryptosporidium spp.
Yellow fever
S. epidermidis sensitive. S. saprophyticus resistant.

6. Mumps
Calicivirus
Trichinella spiralis
Paramyxovirus
Reovirus

7. Hantavirus
S. epidermidis sensitive. S. saprophyticus resistant.
Echinococcus granulosus
DS linear 10-12 segments
Bunyavirus - hemorrhagic fever - pneumonia

8. Tx of Schistosoma
Praziquantel
Echinococcus granulosus
Clostridium difficile - gas gangrene - double zone of hemolysis on blood agar
Enveloped - SS - - circular - 3 segments - helical

9. 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.
Trichinella spiralis
Schistosoma
Clonorchis sinensis
Reovirus

10. Hookworms
Mucor or Rhizopus spp.
Picornavirus
Necator americanus
Paramyxovirus

11. Influenza virus
Praziquantel
Orthomyxovirus
Lysogeny
Rubella

12. Inflammation of muscle (larvae encyst in muscle)
Trichinella spiralis
Mucor or Rhizopus spp.
Heart block - bilateral Bell's palsy
Retrovirus

13. Tx for Leishmania donovani
No envelope
Toxocara canis
Enveloped - SS - - circular - 3 segments - helical
Sodium stibogluconate

14. Tx for Trichomonas vaginalis
Bartonella henselae (bacillary angiomatosis)
Enveloped - SS - - linear - 8 segments - Helical
S. epidermidis sensitive. S. saprophyticus resistant.
Metronidazole

15. HIV - Encephalopathy
P. vivax/ovale
JC virus (PML) results in demyelination
Retrovirus
Colonic epithelial cell necrosis and stimulation of fibrin deposition

16. Filoviruses
Nifurtimox
Group A streptococcus. Helps prevent phagocytosis.
Cryptosporidium
Enveloped - SS - - linear - Helical

17. Warthin - Finkeldy giant cell
S. epidermidis sensitive. S. saprophyticus resistant.
Pathognomonic for measles or live attenuated vaccine
Metronidazole
Retrovirus

18. Causes inflammation of the biliary tract -> pigmented gallstones
Clonorchis sinensis
HHV-8
Togavirus
Schistosoma

19. In drinking water; skin inflammation and ulceration.
Group A beta - hemolytic strep (S. pyogenes) sensitive. Group B (S. agalactiae) resistant.
Dracunculus medinensis
Topical miconazole - selenium sulfide
HPV

20. Subacute sclerosing panencephalitis
Rubella
Yellow fever
Rubeola
Togavirus

21. Botulinum exotoxin: Plasmid - lysogeny - bacterial chromosome?
Nystatin
Loa Loa
Lysogeny
Aminoglycoside plus extended spectrum penicillin (piperacillin - ticarcillin)

22. Deltaviruses
Entamoeba histolytica
Clonorchis sinensis
Coxackie A - syphilis - Rocky Mountain spotted fever
Enveloped - SS - - circular - helical

23. Fungal infection with rhinocerebral - frontal lobe abscesses
Mucor or Rhizopus spp.
DS linear 10-12 segments
Diethylcarbamazine
Amphotericin B

24. Tx for Loa Loa
Pasteurella multocida
S. pneumoniae sensitive - S. viridans resistant
Diethylcarbamazine
Trypansoma cruzi. Chagas dz - S. America

25. Ingestion of larvae encysted in undercooked pork. Cysticercosis and neurocysticercosis - mass lesions in brain.
Paramyxoviruses
Taenid solium
Babesia
Rubeola

26. Generalized lymphadenopathy particularly postauricular and occipital
Dracunculus medinensis
Deltavirus
Rubella
Itraconazole or potassium iodide

27. Parasite: Liver cysts
Rubeola
Echinococcus granulosus
HPV
Cryptococcus neoformans

28. Orthomyxoviruses
Onchocerca volvulus
Stains cryptococcus neoformans red
bendazoles
Enveloped - SS - - linear - 8 segments - Helical

29. Crimean - Congo hemorrhagic fever
Enveloped - SS+ - linear - icosahedral
Picornavirus
Rubeola
Bunyavirus

30. HIV - Superficial neoplastic proliferation of vasculature; biopsy reveals lymphocytic inflammation
Ancylostoma - Necator
HHV-8
Toxoplasma gondii
Necator americanus

31. HAV
Pseudomonas - inactivates EF-2
Schistosoma mansoni
Pasteurella multocida
Picornavirus

32. Rotavirus
C. Difficile
Reovirus
Itraconazole or potassium iodide
Rubeola

33. Tx for Wuchereria bancrofti
Cryptococcus neoformans
Ceftriaxone
Diethylcarbamazine
EBV

34. Protozoa: Bloating - flatulence - foul - smelling - fatty diarrhea
Giardia lamblia
Picornavirus
Lysogeny
Rubella

35. Exotoxin A
Pseudomonas - inactivates EF-2
Ascaris lumbricoides
Colonic epithelial cell necrosis and stimulation of fibrin deposition
Toxoplasma gondii

36. Food contaminated with eggs; intestinal infection; causes anal pruritis
Rubeola
Schistosoma
P. vivax/ovale
Enterobius vermicularis

37. HIV - Chronic watery diarrhea; acid - fast cysts seen in stool
Lysogeny
Erythromycin
Cryptosporidium spp.
Babesia

38. 'swiss cheese' appearance in brain
Metronidazole
Taenid solium
Paramyxovirus
EBV

39. Tx for Onchocerca volvulus
JC virus (PML) results in demyelination
Calicivirus
Schistosoma
Ivermectin

40. Enterotoxin A
Group A streptococcus. Helps prevent phagocytosis.
No envelope - SS + linear - Icosahedral
Trichinella spiralis
Watery diarrhea

41. Coxackievirus
Enveloped - SS - - linear - Helical
Babesia
Yellow fever
Aseptic meningitis - herpangina - mycarditis

42. Treatment for Tinea versicolor
CMV
Topical miconazole - selenium sulfide
Group A beta - hemolytic strep (S. pyogenes) sensitive. Group B (S. agalactiae) resistant.
Ceftriaxone

43. Bunyaviruses
ADP ribosylating A- B toxin inactivates EF-2
Enveloped - SS - - circular - 3 segments - helical
Cleaves host cell rRNA (inactivates 60S ribosome); enhances cytokine release - causing HUS.
Arenavirus - spread by mice

44. Eastern equine encephalitis
HHV-6 (Roseola)
Icosohedral (double)
Bacterial chromosome
Togavirus

45. HTLV
Retrovirus
Most common cause of aseptic meningitis
Lysogeny
Trichinella spiralis

46. Female mosquito; causes blockage of lymphatic vessels (elephantitis). Takes 9 months to 1 year after bite to get elephantiasis sx.
No envelope
Paramyxovirus
Arenavirus - spread by mice
Wuchereria bancrofti

47. Erythrogenic exotoxin of strep pyogenes: Plasmid - lysogeny - bacterial chromosome?
Lysogeny
Arenavirus - spread by mice
Rubella
Trypanosoma (T. gambiense - T. rhodiesiense); African sleeping sickness

48. Opportunistic fungal infection in ketoacidotic diabetic or leukemic patients
Flavivirus
Mucor or Rhizopus spp.
Necator americanus
Onchocerca volvulus

49. HIV - TB like dz CD4<50
Icosohedral (double)
HHV-8
Mycobacterium avium - intracellulare
Loa Loa

50. Cycles occuring every other day; dormant form in liver -> tx w/primaquine
P. vivax/ovale
Pathognomonic for measles or live attenuated vaccine
Schistosoma haematobium
Mycoplasma pneumonia