Specimens/ Methods
What is the method of choice for pinworm identification
The motile active feeding form of Amoeba is
Trophozoite
Characteristics of the rhabditiform (noninfective)
larvae of Strongyloides stercoralis include a:
Long or Short buccal capsule and large or small genital
primordium
Short/Large
The most common helminth infection in the United States is ?
Enterobius vermicularis
Chagas disease is caused by ?
Trypanosoma Cruzi
Charcot–Leyden crystals in stool may be associated
with an immune response and are thought to be
formed from the breakdown products of:
Eosinophils
Identify the parasite seen in picture 1
Entamoeba coli
Examination of 24-hour unpreserved urine
specimen is sometimes helpful in the
recovery of what blood Fluke ?
S. haematobium
Name the Helminth egg shown in image #5
Trichuris Trichiuria
Which 2 species of Plasmodium can be characterized by the presence of Schuffner's dots
P. ovale and P. vivax
A 12-year-old girl is brought to the emergency
department with meningitis and a history of
swimming in a warm-water spring. Motile
amoebae that measure 10 μ in size are seen in
the CSF and are most likely:
Naegleria fowleri
identify the intestinal protozoan seen in image #3
Balantidium coli
Th e adult tapeworm of Echinococcus granulosus is
found in the intestine of __________ , the definitive host
Dog
Identify this parasitic egg found in stool specimen measuring 170x63 um see pic #4
Shistosoma mansoni - this is "Lateral spine"
This species of Plasmodium is characterized by a "Band troph"
P. malariae
The method of choice for identification of Trichinella spiralis
Tissue biopsy
Which stage of amaeba is found in formed stool
Cyst
Beef and pork Tapeworm cysts are identical and therefore in order to tell them apart we must look at the proglottids and scolex for identification . Look at picture #2 and identify this tapeworm
Tenia solium "pork" tapeworm
Name the parasite in picture #6
Pinworm aka Enterobius vermicularis
This Plasmodium sp will cause severe anemia in patients if left untreated
P. falciparum
What type of stain is used to speciate plasmodium?
Thin Giemsa stain
diagnosis of intestinal coccidia like cryptosporidium is
Oocyst in stool
Which of the following parasites migrates to the lungs as part of life cycle:
a. Fasciola species
b. Taenia solium
c. Entamoeba histolytica
d. Paragonimus westermanni
D
The infective form of Strongyloides stercoralis is
filariform larvae
The Plasmodium sp with a characteristic banana shaped gametocyte
P. falciparum