BOC PARASITOLOGY LATEST
EXAM QUESTIONS AND
ANSWERS 2026 - 2027
A stool specimen for ova and parasite examination contained numerous
rhabditiform larvae. Which factor(s) aid in the identification of larvae?
a. larva tail nuclei and presence of sheath
b. length of the buccal cavity and appearance of the genital primordium
c. presence of hydatid cysts
d. prominent kinetoplasts in trypomastigote - ANSWERS-B
Which of the following routine tests for Entamoeba histolytica has the
highest sensitivity and specificity?
a. colonic ulcer biopsy
b. stool microscopy
c. stool EIA
d. urine PCR - ANSWERS-C (enzyme immunoassay)
What is the principal means of distinguishing Entamoeba histolytica
from Entamoeba hartmanni by light microscopy?
a. size of trophozoite
b. appearance of karyosome
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1
, BOC PARASITOLOGY LATEST
EXAM QUESTIONS AND
ANSWERS 2026 - 2027
c. appearance of nuclear chromatin
d. number of nuclei in cyst form - ANSWERS-A
Which characteristic will identify Iodamoeba butschlii?
a. nuclei in mature cyst
b. small (5-10 um) size
c. prominent vacuole in the cyst form
d. presence of up to 8 nuclei in the cyst form - ANSWERS-C
The only medically significant ciliate organism is:
a. Acanthamoeba
b. Balantidium coli
c. Cryptosporidium parvum
d. Chilomastix mesnili - ANSWERS-B
Where do Plasmodium sporozoites proliferate?
a. bone marrow
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2
, BOC PARASITOLOGY LATEST
EXAM QUESTIONS AND
ANSWERS 2026 - 2027
b. liver
c. red blood cells
d. nucleated erythrocyte precursors - ANSWERS-B
Individuals who lack the Duffy antigen on the surface of their red blood
cells are protected against which species of Plasmodium?
a. P. vivax
b. P. falciparum
c. P. malariae
d. P. ovale - ANSWERS-A
Which nematode produces eggs with characteristic hyaline polar plugs at
each end?
a. Ascaris lumbricoides
b. Necator americanus
c. Strongyloides stercoralis
d. Trichuris trichiura - ANSWERS-D
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PAGE
3
EXAM QUESTIONS AND
ANSWERS 2026 - 2027
A stool specimen for ova and parasite examination contained numerous
rhabditiform larvae. Which factor(s) aid in the identification of larvae?
a. larva tail nuclei and presence of sheath
b. length of the buccal cavity and appearance of the genital primordium
c. presence of hydatid cysts
d. prominent kinetoplasts in trypomastigote - ANSWERS-B
Which of the following routine tests for Entamoeba histolytica has the
highest sensitivity and specificity?
a. colonic ulcer biopsy
b. stool microscopy
c. stool EIA
d. urine PCR - ANSWERS-C (enzyme immunoassay)
What is the principal means of distinguishing Entamoeba histolytica
from Entamoeba hartmanni by light microscopy?
a. size of trophozoite
b. appearance of karyosome
END OF
PAGE
1
, BOC PARASITOLOGY LATEST
EXAM QUESTIONS AND
ANSWERS 2026 - 2027
c. appearance of nuclear chromatin
d. number of nuclei in cyst form - ANSWERS-A
Which characteristic will identify Iodamoeba butschlii?
a. nuclei in mature cyst
b. small (5-10 um) size
c. prominent vacuole in the cyst form
d. presence of up to 8 nuclei in the cyst form - ANSWERS-C
The only medically significant ciliate organism is:
a. Acanthamoeba
b. Balantidium coli
c. Cryptosporidium parvum
d. Chilomastix mesnili - ANSWERS-B
Where do Plasmodium sporozoites proliferate?
a. bone marrow
END OF
PAGE
2
, BOC PARASITOLOGY LATEST
EXAM QUESTIONS AND
ANSWERS 2026 - 2027
b. liver
c. red blood cells
d. nucleated erythrocyte precursors - ANSWERS-B
Individuals who lack the Duffy antigen on the surface of their red blood
cells are protected against which species of Plasmodium?
a. P. vivax
b. P. falciparum
c. P. malariae
d. P. ovale - ANSWERS-A
Which nematode produces eggs with characteristic hyaline polar plugs at
each end?
a. Ascaris lumbricoides
b. Necator americanus
c. Strongyloides stercoralis
d. Trichuris trichiura - ANSWERS-D
END OF
PAGE
3
