BLUE PRINT
PARASITOLOGY SECTION
Topics included:
Must know from:
1. Protozoans
2. Nematodes
3. Cestodes
4. Trematodes
Recall 1
2
Comprehension 1
0
Application 3
Analysis 6
Medical Parasitology Section
MULTIPLE CHOICE. Choose the letter of the best answer.
1. Which of these findings on “Enterotest” would a person with Giardia lamblia
infection have?
A. positive for Giardia trophozoites
B. positive for Giardia cysts
C. positive for mucosal ulcerations
D. negative result
- application
2. You have a 36 year old female patient (in a monogamous relationship) infected
with Trichomonas vaginalis. You would advise her to:
A. take Metronidazole and bring her partner for simultaneous treatment.
B. take Metronidazole and abstain from sex while being treated.
C. take Metronidazole.
D. take metronidazole and bring her partner for counseling.
-application
3. The trophozoite of this organism has a “falling-leaf” motility:
A. Trichomonas vaginalis
B. Trichomonas hominis
C. Chilomastix mesnilii
D. Giardia lamblia
-recall
4. A 24-year old male patient from Northern Philippines consulted you because of
fever and chills. Peripheral blood smear revealed microcytic, hypochromic
anemia with some blood parasites labeled as asexual forms with unusually big
infected red cells. This patient most likely has ___________ malaria.
A. Falciparum
B. Vivax
C. Malariae
D. Ovale
-analysis
5. The best time to get a blood sample for diagnosis in a suspected case of
malaria is:
A. before the height of fever.
B. at the peak of fever.
C. after fever.
D. any time of the day.
-comprehension
6. Recurrence of paroxysms in untreated cases of falciparum infection is
expected to occur after _____ year(s).
A. one
B. two to three
C. five to ten
D. thirty
-comprehension
7. . In the management of uncomplicated falciparum malaria one should give
A. chloroquine only
B. primaquine only
C. quinine only
D. chloroquine and primaquine
-recall
8. The degree of parasitemia is expected to be highest in infection with
Plasmodium:
A. vivax
B. malariae
C. falciparum
D. ovale
-comprehension
9. Toxocara infection causes:
A. cutaneous larva migrans.
B. visceral larva migrans.
C. elephantiasis.
D. migratory edema.
-recall
10. Cellulose tape method in the diagnosis of Oxyuriasis is best done during the
night because:
A. the child is sleeping and it will be easier to collect.
B. the gravid female goes to the perianal area to lay eggs.
C. the gravid females will die in the morning.
D. the perianal area has not been washed yet.
-comprehension
11. Loeffler’s syndrome is associated with:
A. Ascariasis
B. Toxocariasis
C. Enterobiasis
D. Anisakiasis
-recall
12. Humans can be infected by this nematode through the ingestion of infected
raw codfish:
A. Toxocara
B. Ascaris
C. Anisakis
D. Enterobius
-recall
13. A 12 year old male is brought to the ER because of changes in sensorium
two days after a swimming outing. A Few hours ago, the patient complained of
severe headache which was followed by fever, headache and vomiting. The
amoeba most probably causing this presentation is:
A. Acanthamoeba
B. Naegleria
C. Balantidium
D. Entamoeba
-analysis
14. Manual extraction of the worm is done gradually when the head of the adult
worm comes out of the skin blister. This is done in infection with:
A. Angiostrongylus cantonensis
B. Angiostrongylus costaricensis
C. Dracunculus medinensis
D. Gnathostoma spinigerum
-comprehension
15. Management includes the removal of a few ml of cerebrospinal fluid to relieve
the patient of severe headache
A. Angiostrongylus cantonensis
B. Angiostrongylus costaricensis
C. Dracunculus medinensis
D. Gnathostoma spinigerum
This item tests for “comprehension” skill in relation to objective
pertaining to management.
16. The eggs are ovoid and have a single polar thickening or a mucoid plug.
A. Angiostrongylus cantonensis
B. Angiostrongylus costaricensis
C. Dracunculus medinensis
D. Gnathostoma spinigerum
-recall
17. This parasite moves by means of pseudopodia:
A. Entamoeba histolytica
B. Giardia lamblia
C. Balantidium coli
D. Leishmania donovani
-recall.
18. Chilomastix mesnili inhabits its host’s:
A. duodenum, jejunum & upper ileum
B. vaginal and urethral tissues
C. cecum and colon
D. cavities of carious teeth
-recall
19. Complications of infection with this parasite are severe hemorrhage,
peritonitis and abscess of the liver:
A. Endolimax nana]
B. Entamoeba histolytica
C. Iodamoeba buetschli
D. Chilomastix mesnili
-comprehension
20. A 25 year old female developed vague abdominal discomfort and persistent
diarrhea a few hours after eating roasted pig in a town fiesta. After consultation
and stool examination, he was prescribed Praziquantel. The infection is most
likely due to:
A. Taenia solium
B. Taenia saginata
C. Echinococcus granulosus
D. Dipylidium caninum
-analysis
21. Which of the following is true regarding concentration technique in the
diagnosis of amoebiasis?
A. The test is more sensitive in the identification of trophozoites.
B. Zinc sulfate is preferred over acid ether conecntration.
C. This is a preferred method especially in the detection of carrier state.
D. This is more sensitive than Indirect Hemagluttination Assay in the
diagnosis of intestinal amoebiasis.
-application
22. Carcinoma of the bile passages or of the pancreas with metastasis into
epigastric lymph nodes is most commonly associated with:
A. Fasciola hepatica
B. Clonorchis sinensis
C. Opisthorchis felineus
D. None of the above
-comprehension
23. A patient from a sheep and cattle raising country developed enlarged and
tender liver, jaundice, digestive disturbances and diarrhea. He has history of
eating watercress salad a few days prior to onset of symptoms. He is most likely
infected with:
A. Fasciola hepatica
B. Opisthorchis felineus
C. Opisthorchis viverinii
D. Clonorchis sinensis
-analysis
24. Halzoun is associated with which of the following trematode infections?
A. Fascioliasis
B. Fasciolopsiasis
C. Echinostomiasis
D. Heterophyiasis
-recall
25. Developmental stage of Fasciola hepatica infective to the 1 st intermediate
host
A. egg
B. miracidium
C. cercaria
D. metacercaria
=recall
26. Developmental stage of Fasciola hepatica released by the 1 st intermediate
host into the water
A. egg
B. miracidium
C. cercaria
D. metacercaria
-recall
27. Among the female Schistosomes, the one which is most prolific in terms of its
egg-laying capacity is Schistosoma:
A. japonicum
B. hematobium
C. mansoni
D. indicum
=comprehension
28. The adult form of this Schistosome mainly inhabits the superior mesenteric
plexuses:
A. japonicum
B. hematobium
C. mansoni
D. indicum
-comprehension
29. A 57 y/o male underwent cystectomy because of a 2.0x2.0cm. solid mass
which on histopathologic examination revealed a malignant neoplasm. This
condition is most associated with Schistosoma:
A. japonicum
B. hematobium
C. mansoni
D. indicum
-analysis.
30. A 20 year old male patient sought consulted due to fever with
hepatosplenomegaly and urticarial rashes. He has history of swimming in a pond
three weeks ago followed by development of transient pruritus and skin rashes.
He recalled that three weeks ago there was appearance of transient pruritus and
skin rashes after thru ricefields. The following are true of this case EXCEPT:
A. Infection was acquired through skin penetration of the parasite .
B. Eggs can be the diagnostic tool for identification of the parasite .
C. The probable parasite needs at least two intermediate hosts to
survive.
D. Cercariae is the infective stage to humans.
-analysis
31. The males have a gynecophoral canal :
A. Schistosoma mansoni C. Heterophyes heterophyes
B. Echinostoma ilocanum D. Opisthorchis viverinii
-recall
-end of sample-
