Introduction to Protozoa parasites Flashcards
2015-2018
Which of the following parasites causes amebic liver abscess?
a. Entamoeba coli
b. Endolimax nana
c. Iodameba butschlii
d. Entamoeba histolytica
e. NOTA
D
Follow up question, How can this parasite (Entamoeba histolytica) reach the liver?
a. Direct extension due to the proximity of large intestine (hepatic flexure) to the liver
b. Heart lung migration of the parasite
c. Parasite reaches portal circulation and invade the liver
d. NOTA
C
Which of the following parasites has a chromatoidal cigar-shaped body?
a. Entamoeba coli
b. Endolimax nana
c. Iodameba butschlii
d. Entamoeba histolytica
e. NOTA
D
Which of the following has the largest ova?
a. Entamoeba coli
b. Endolimax nana
c. Iodameba butschlii
d. Entamoeba histolytica
D
Which of the following parasites has a glycogen vacuole?
a. Entamoeba coli
b. Endolimax nana
c. Iodameba butschlii
d. Entamoeba histolytica
e. NOTA
C
Which of the following parasites causes malabsorption and steatorrhea?
a. Giardia lamblia
b. Balantidium coli
c. Blastocystic hominis
d. Entamoeba histolytica
e. NOTA
A
Which of the following parasites causes malabsorption?
a. Taenia solium
b. Taenia saginata
c. Capillaria philippinensis
d. Trichuris trichura
e. NOTA
C
Which of the following diagnostic technique is the best in differentiating E. histolytica and E. dispar?
a. PCR
b. ELISA
c. COPT
d. Kato Katz
A
Which of the following is an antibody-based diagnostic technique for Schistosoma infection?
a. PCR
b. ELISA
c. COPT
d. Kato Katz
C
The following features can be used to differentiate Entameba coli from Entameba histolytica cysts
a. Presence of chromatoidal bar ends
b. Size of cyst
c. Shape of nuclei
d. All of the above
A
Fulminant infections with this parasite reduces the median survival time of HIV patients:
a. Giardia lamblia
b. Entamoeba histolytica
c. Cryptosporidium
d. Balantidium coli
C
The most common cause of brain lesions among HIV patients
a. Giardia lamblia
b. Entamoeba histolytica
c. Cryptosporidium
d. Balantidium coli
C
The oocyst of this protozoan is infective once shed in feces
a. Cyclospora
b. Isospora
c. Cryptosporidium
d. Giardia
C
Which of the following is a fish born trematode?
a. Capillaria philippinensis
b. Echinostoma ilocanum
c. Fasciola hepatica
d. Fasciola gigantica
B
The following are vectors of Chaga’s disease EXCEPT:
A. Trypanosoma cruzi
B. Rhodnius prolixus
C. Triatoma infestans
D. Ponstrongylus megistus
A
