Flashcards in Parasites Deck (63)
What condition does trichomonas vaginalis cause?
trichomoniasis/ Vaginitis. foul-smelling, greenish discharge; itching and burning
What is the morphology of Babesla bigemina (Babesia microti)?
How is Leishmania donovani transmitted?
How is Ascaris lumbricoides transmitted?
eggs in soil may contaminate food or be inhaled
How is Giardia lamblia transmitted?
cysts in water
How is Taenla (T. saginata, T. sollum) transmitted?
ingestion of under cooked beef or pork
What are the clinical manifestation of Cryptosporidium parvum? (3)
crytosporidiosis-1-2 weeks incubation, followed by explosive watery diarrhea with abdominal pain for 5-11 days
What is the morphology of Ascaris lumbricoides?
roundworm, up to 25 cm
What is the morphology of Giardia lamblia?
What are the clinical manifestations of Plasmodium species? (6)
jaundice, splenomegaly, hepatomegaly, anemia. Paroxysm, malaise, sudden chills and high fever, polyuria, rapid pulse, headache and nausea followed by drop in fever and profuse sweating for two or three hours. Paroxysms repeat every 48 to 72 hours
What disease does Plasmodium cause?
What is the morphology of Toxoplasma gondii?
What is the major reservoir for Necator americanus and Ancylostoma dudenale?
How is Diphyliobothrium laturn transmitted?
ingestion of raw fish
What is the major reservoir for Leishmania?
many wild mammals
Describe the clinical manifestations of Schistosoma Infection. (5)
granulomas, fibrosis, inflammation of spllen, inflammation of liver, portal hypertension
What are the clinical manifestations of Wuchereria bancrofi? (3)
Lymphatic filarsis (elephantiasis)-8-12 month incubation, fever or asymptomatic, lymphadenitis, lymphangitis usually femoral, spreading down legs. Obstruction of lymphatics
Which lab findings are useful to help diagnose Leishmania?
cultured samples show Leishman-Donovan bodies.
What are the clinical manifestations of Diphyliobothrium letum? (2)
vitamin B12 deficiency and resulting megaloblastic anemia
What lab findings are useful to help diagnose Ascaris lumbricoides? (2)
finding worms or eggs in stool, or larvae and eosinophils in sputum
What are the clinical manifestations of Necator americanus and Ancylostoma duodenale? (3)
microcytic anemia, fatigue and nutritional deficiencies
What is the major reservoir for Diphyliobothrium letum?
What disease(s) does Cryptosporidium cause? (2)
severe diarrhea in AIDS. Mild disease (watery diarrhea) in non HIV
How is tToxoplasma gondii transmitted? (3)
oral ingestion of feces of domestic cats or contaminated raw meat or water. Transplacental transmission can also occur.
How is Babesia diagnosed? (3)
blood smear, no RBC pigment, appears as maltese cross
What is the morphology of trichomonas vaginalis?
How is entamoeba histolytica transmitted?
ingestion of food and water contaminated with cysts
How are Necator americanus and Ancylostoma duodenale transmitted?
burrows through skin of feet or legs
How is Wuchereria bancrofi transmitted?