Samplex 2016 Flashcards
Which of the following parasites causes amebic liver abscess?
a. Entamoeba coli
b. Endolimax nana
c. Iodameba butschlii
d. Entamoeba histolytica
e. NOTA
D
How can E. 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
A
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 parasites has a snail intermediate host?
a. Taenia solium
b. Echinostoma ilocanum
c. Capillaria philippinensis
d. Trichuris trichura
e. NOTA
E
Sundathelpusa philippina is the crustacean intermediate host of?
a. Paragonimus westermanii
b. Echinostoma ilocanum
c. Capillaria philippinensis
d. Fasciola hepatica
e. NOTA
A
Which of the following parasites is notorious in causing cholangiocarcinoma?
a. Opisthorchis viverini
b. Clonorchis sinensis
c. Fasciola hepatica
d. Fasciola gigantica
e. NOTA
A
Which of the following parasites is a good differential in a patient with PTB living in Zamboanga?
a. Paragonimus westermanii
b. Echinostoma ilocanum
c. Capillaria philippinensis
d. Fasciola hepatica
e. NOTA
A
Which of the following causes neurocysticercosis?
a. Taenia solium
b. Taenia saginata
c. Capillaria philippinensis
d. Trichuris trichura
e. NOTA
A
Which of the following does not require a heart-lung stage?
a. Ascaris lumbricoides
b. Hookworm
c. Trichuris trichura
d. Stronglyoides stercoralis
e. NOTA
C
Which of the following causes iron deficiency anemia?
a. Ascaris lumbricoides
b. Hookworm
c. Trichuris trichura
d. Stronglyoides stercoralis
e. NOTA
B
Which of the following commonly causes rectal prolapse?
a. Ascaris lumbricoides
b. Hookworm
c. Trichuris trichura
d. Stronglyoides stercoralis
e. NOTA
C
Which of the following has a free-living stage?
a. Ascaris lumbricoides
b. Hookworm
c. Trichuris trichura
d. Stronglyoides stercoralis
e. NOTA
D
Which of the following could re-infect a host due to autoinoculation?
a. Ascaris lumbricoides
b. Hookworm
c. Trichuris trichura
d. Stronglyoides stercoralis
e. NOTA
D
Which of the following is an emerging infection among AIDS patients?
a. Ascaris lumbricoides
b. Hookworm
c. Trichuris trichura
d. Stronglyoides stercoralis
e. NOTA
D
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
In schistosomiasis, The pathological changes in the liver is due to what stage of the parasite?
a. Egg
b. Cyst
c. Larva
d. Adult
A
Which of the following has cutting plates?
a. Ancylostoma duodenale
b. Necator americanum
c. Ancylostoma caninum
d. NOTA
B
Which of the following is most prone to hookworm infection?
a. Children who frequently wade in streams
b. Children who frequently play barefoot in the garden
c. Farmers who frequently till the land barefoot
d. Fishermen who eat raw fish
C
Oncomelania snail will thrive in the following except
a. Lagoon
b. Cove
c. Stream
d. Ricefield
e. NOTA
D
This arthropod digs sinuous burrows in the upper layer of the epidermis
a. Sarcoptes
b. Pediculus
c. Phthirus
d. Cimex
A
Organism that transfers the parasite from a source
a. carrier
b. ectoparasite
c. reservoir
d. vector
D
Most common roundworm
a. Ascaris
b. Ancyclostoma
c. Necator
d. Trichuris
A
Where is the final habitat of adult Trichuris?
a. Cecum
b. Stomach
c. Rectum
d. Perianal skin
C
Diagnostic phase of hookworms
a. Adult worm
b. Filariform larva
c. Rhabditiform larva
d. Ova
D
Effective STH management
a. Control of Strongyloides spread through awareness programs on properly washing utensils and avoiding sharing of towels
b. Most of Ascaris infections are asymptomatic thus, there is no need for treatment
c. Mass treatment of helminth infections by the DOH
d. Educating people on the dangers of open defecation
C
Which of the following is not an ectoparasite:
a. body louse adult
b. crab louse nits
c. head louse nymph
d. itch mites
B
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
Which of the following is a fish born trematode?
a. Capillaria philippinensis
b. Echinostoma ilocanum
c. Fasciola hepatica
d. Fasciola gigantica
B
The oocyst of this protozoan is infective once shed in feces
a. Cyclospora
b. Isospora
c. Cryptosporidium
d. Giardia
C
