How many chromatin dots are in P. falciparum?
2
What organism is this? What does it cause? What is its motility described as?
Giardia lamblia
Cause gastroenteritis and traveler's diarrhea (presents as explosive foul-smelling diarrhea)
falling leaf motility (Four lateral flagella with polar ends containing two flagella)
What disease does Plasmodium cause?
Malaria
Which phase is infective? Which phase replicates?
Cyst phase is infective
amoeba phase/troph phase replicates
What causes African sleeping sickness?
Trypanosoma
What organism is this? How do you differentiate it?
Iodamoeba butschlii
Large glycogen vacuole
What is this organism? What is its defining characteristic? What does it cause?
Babesia microti, Maltese cross
Malaise fever chills sweating and myalgia
What is the worst Plasmodium to get?
P. falciparum
Which type of Plasmodiums shows up in the gametophyte?
P. falciparum and vivax
Which plasmodium species infect retics only?
P. ovale and vivax
P. falciparum
What does Entamoeba histolytica cause? How do you tell it apart from E. dispar?
E. dispar does not ingest RBCs and is non-pathogenic
What organism is this? What does it cause? Who does it affect?
Acanthamoeba
granulomatous amebic encephalitis (GAE), amebic keratitis
Contact lens wearers
What organism is this? What is its vector? What are the four forms? Where is each prevalent?
Leishmania
Sandfly
L. tropica complex causes oriental sore North Central Africa
L. Mexicana complex south and central America (New World cutaneous leishmaniasis)
L. brazillensis found in Mexico and central and south America gross disfigurement of the soft tissues with extensive tissue destruction
L. donovani Endemic to South America, Africa, Southern Europe, and Asia
What organism is this? What does it cause? What are the forms of it?
B. hominis
recurrent diarrhea, abdominal cramping, anorexia, flatulence
four forms: amoeboid, granular, vacuolar, and cyst
What species of Plasmodium only infect mature RBCs? What type of inclusions does it form?
P. malariae, Ziemenn's dots
What organism is this? What is the vector? What are the three types of this disease? What do they each cause?
Trypanosoma
Tsetse fly/kissing bug
T. brucei gambiense west African sleeping sickness
T. brucei rhodesiense East African sleeping sickness
T. cruzi Chagas disease, American trypanosomiasis(hard on children) (swelling of face and eyelids Romana's sign)
What organism is this? What granules does it contain?
P. vivax, Schnufferner's stippling
What organism is this? What does it cause? What group does it fall in? What is special about the troph form?
Balantidium coli
pathogenic balantidiasis (diarrhea, nausea, vomiting, and abdominal tenderness)
Ciliate
many food vacuoles
What organism is this? What does it cause? What is its membrane described as?
Trichomonas vaginalis (sexually transmitted)
causes trichomoniasis
undulating membrane
What organism is this? What does it cause? How do you get it?
Naegleria floweri
Bifrontal headache, fever, and stiff neck, fatal within one week Primary amebic meningoencephalitis (PAM)
swimming in brackish water
What can happen to the RBCs when they are infected with P. falciparum?
can become sticky and slow blood flow leading to hypoxia
Name this organism.
Entamoeba histolytica
Ingested RBCs
What organism is this? What does it cause?
Recurring cyclic fever (malaria)
How do you treat malaria?
chloroquine primarily