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Microbiology 3

First Aid: Microbiology 3

QuestionAnswer
Patient presents with a red rash with central clearing that looks like an expanding "bull's eye". Diagnosis? Lyme disease; borrelia burgdorferi
What is the treatment for lyme disease? Tetracycline
Patient presents with painless chancre, if left untreated what further symptoms can be expected? Condylomata lata and maculopapular rash (palms and soles)
What is the Argyll Robertson pupil and what is it pathognomonic for? When the pupil constricts for accomodation but is nonreactive to light; pathognomonic for tertiary syphillis
What is the best test for treponemas? FTA-ABS
AIDS patient presents with white patches in the mouth. Diagnosis? Oral thrush or candidiasis; candida albicans
This dimorphic fungi is a mold in soil and spherule in tissue. Coccidiomycosis
This organism is associated with bird or bat droppings. Histoplasmosis
This mold with septate hyphae that branch at a V shape is a cause of allergic bronchopulmonary disease? Aspergillosis; Aspergillus fumigatus
Heavily encapsulated yeast that stains w/ india ink? Cryptococcus neoformans
This yeast causes diffuse interstitial pneumonia, most commonly in the immunosuppressed (HIV). Pneumocystis carinii
This fungus is usually introduced by trauma, typically by a thorn (rose gardener's disease), causing local pustule or ulcer with nodules along draining lymphatics. Sporothrix schenckii
This protozoa causes bloody diarrhea (dysentery). Entamoeba histolytica; do not confuse with G. lamblia which causes watery diarrhea
Common cause of severe diarrhea in AIDS patients. Cryptosporidium
What is the treatment for E. histolytica? Metronidazole
What is the treatment for G. lamblia? Metronidazole
What is the treatment for Toxoplasma? Sulfadiazene + pyrimethamine
What is the treatment for Plasmodium? Chloroquine, sulfadoxine + pyrimethamine, mefloquine, quinine
What is the treatment for trichomonas vaginalis? Metronidazole
What is the treatment for trypanosoma cruzi? Nifurtimox
This organism can cause brain abscess in HIV patients? Toxoplasma
Patient presents with cyclic fever, headache, anemia, and splenomegaly. Diagnosis? Malaria; p. falciparum is severe
Vaginitis caused by protozoa. Diagnosis? Trichomonas vaginalis
These organisms found in undercooked pork have larvae that can cause mass lesions in the brain. cystircercosis; Taenia solium
These organisms which use snails as a host, penetrate the skin and cause granulomas, fibrosis, and inflammation of spleen and liver. Schistosoma
This organism found in undercooked fish can cause inflammation of the biliary tract? Clonorchis sinensis
Larvae of this organism penetrate skin of feet leading to intestinal infection and can cause anemia. Ancylostoma duodenale; hookworm (strongyloides stercoralis is similar but does not cause anemia)
This organism causes an intestinal infection and their eggs are visible in the feces. Ascaris lumbricoides; giant roundworm
This organims causes an intestinal infection and causes anal pruritis (the scotch tape test) Enterobius vermicularis; pinworm
What is the treatment of hookworm, pinworm, roundworm, and strongyloides? All are treated by Mebendazole/pyrantel pamoate except strongyloides, which is treated with Ivermectin/thiabendazole
This organism transmitted by ingested dog feces can cause cysts in liver? Echinococcus granulosus
This organism can lead to a B12 deficiency by absorbing the vitamin, but often requires many years before apparent. Diphyllobothrium latum
This schistosoma is related to hematuria and bladder cancer. Schistosoma haematobium
This schistosoma is related to portal hypertension Schistosoma mansoni
What is the treatment for schistosoma infection? Praziquantel
What is the treatment for taenia solium Praziquantel/niclosamide; albendazole for cysircercosis
what is the treatment for Echinococcus granulosus? Albendazole
Created by: rahjohnson