Parasitology Flashcards
Scolex: Quadrate, NO ROSTELLUM OR HOOKLETS; 4 suckers
T. saginatta
Quadrate, has rostellum/hooklets, 4 suckers
T. solium
Number of lateral branches of T.saginatta
15-30
Number of lateral branches of T.solium
7-15
Dichotomous or tree-like proglottid
T.saginatta
Dendritic or finger-like proglottid
T.solium
Eye infection resulting from contaminated eye care solutions (homemade saline)
Acanthamoeba spp.
Most sensitive method for the recovery of Acanthamoeba spp.
Non-nutrient agar culture seeded with E.coli
Schuffner’s dots
P.vivax
Schuffner’s dots
P.vivax
James dots
P.ovale
Maurer’s dots
P.falciparum
Ziemann’s dots
P.malariae
Amoeboid trophozoite
P.vivax
Fimbriated edges of trophozoite
P.ovale
Trophozoite have multiple rings
P.falciparum
Band trophozoites
P.malariae
Highest number of merozoites
P.falciparum (24)
P.vivax(16)
P.ovale, P.malariae (8)
all stages are seen in PBS
P.vivax; P.ovale
What stage is P.falciparum seen in PBS
Young and few gametocytes
P.malariae stages which are seen in PBS
Few rings;
Mostly TROPHS and SCHIZONTS
Causes Benign Tertian Malaria
P.ovale & P.vivax
What diseases does P.falciparum causes
Malignant Tertian Malaria;
BLACK WATER FEVER
Causes QUARTAN malaria
P.malariae
How is Cryptosporidiosis diagnosed?
Observation of small, oval, or spherical oocysts in the stool
Methods used to enhance the oocysts observation in the stool for dx of Cryptosporidiosis
Formalin-ethyl acetate sedimentation method; Sheather’s sugar flocculation method
What color does Modified acid-fast method stains the oocysts
Bright pink to red
