FREDRICK`S PARASITOLOGY MCQs FIRST BATCH.
MEDICAL PARASITOLOGY
QUESTIONS
MULTIPLE CHOICE QUESTIONS:
CHOOSE THE BEST ANSWER.
(0.5) 1. The habitat is the large intestine.
A] Entamoeba gingivalis C]
Giardia lamblia
*B]
Entamoeba histolytica D]
Naegleria fowleri
(0.5) 2. The stool is the specimen for the diagnosis of the
infection cause by
A] Acanthamoeba polyphaga C] Naegleria fowleri
*B]
Balantidium coli D]
A & B
(0.5) 3. The infective stage of Entamoeba histolytica to man has
A] pseudopodia *C] bull’s eye karyosome
B] ingested red blood cells D] A & B
(0.5) 4. The pathogenic stage of Entamoeba histolytica to man has
A] pseudopodia C]
cigar-shaped chromatoidal body
B] ingested RBC *D] A & B
(1) 5. The stool of the patient infected with what parasite is
described as steatorrheic or gruelly?
A] Balantidium coli C]
Entamoeba histolytica B] Chilomastix mesnili *D] Giardia lamblia
(0.5) 6. The most commonly involved area in Amoebiasis is the
A]
brain C]
liver
*B] cecum D]
recto-sigmoid region
(0.5) 7. Typically flask-shaped lesion of Amoebiasis is usually
seen in
*A] Amoebic colitis C]
Amoebic liver abscess
B] Amoebiasis cutis D]
Pulmonary amoebiasis
(0.5) 8. Frank dysentery in Amoebiasis is frequently present with
the involvement of the
A] brain C]
liver
B] cecum *D] recto-sigmoid region
(0.5) 9. Anchovy sauce-like materials is associated with
A] Amoebic colitis *C] Amoebic liver abscess
B] Amoebiasis cutis D]
Pulmonary amoebiasis
(0.5) 10. There is no increase in the number of nuclei of
*A] Balantidium coli C]
Entamoeba histolytica B] Entamoeba coli D]
Giardia lamblia
(0.5) 11. Associated with uveitis or ulceration of the cornea.
*A] Acanthamoeba culbertsoni C]
Entamoeba histolytica
B] Balantidium coli D]
Naegleria fowleri
(0.33) 12. Tissue invasion is relatively slow and tends to stimulate
granuloma formation.
*A] Acanthamoeba castellanii C]
Entamoeba histolytica
B]
Balantidium coli D]
Naegleria fowleri
(0.5) 13. Produces a big lesion with a wide opening and a rounded
base in the large intestine.
*A] Balantidium coli C]
Giardia lamblia
B] Entamoeba histolytica D]
A & B
(0.5) 14. There are indurations of the irregular margins of the
spreading ulcer.
A] Amoebic granuloma C]
Amoeboma
*B] Amoebiasis cutis D]
Amoebic colitis
(1) 15. Associated with Entamoeba
gingivalis.
A] Trichomonas hominis C]
Trichomonas vaginalis
*B] Trichomonas tenax D]
B & C
2
MULTIPLE CHOICE QUESTIONS:
CHOOSE THE BEST ANSWER.
(1) 16. The specimen for the diagnosis of Trichomonas vaginalis infection in female.
A] Prostatic secretions C]
Vaginal discharges B] Urine *D] B & C
(0.5) 17. The usual infective stage of Malaria to man is the
A] gametocytes *C] sporozoites
B] schizonts D]
merozoites
(1) 18. Mosquito vector of Malaria in the Philippines is
A] Aedes aegypti C]
Culex quinquefasciatus
*B] Anopheles flavirostris D]
Mansonia annulata
(0.5) 19. There is secondary exo-erythrocytic phase in
*A] Benign tertian malaria C]
Quartan malaria
B] Malignant tertian malaria D]
Sub-tertian malaria
(1) 20. Produces the more severe type of Malaria.
*A] Plasmodium falciparum C]
Plasmodium ovale
B] Plasmodium malariae D]
Plasmodium vivax
(0.5) 21. Usually produces recrudescence.
A] Plasmodium falciparum C]
Plasmodium vivax
B] Plasmodium malariae *D] A & B
(0.5) 22. The duration of the Erythrocytic-Schizogonic Cycle is 72
hours.
A] Benign tertian malaria *C] Quartan malaria B] Malignant tertian malaria D] A
& B
(1) 23. Sub-tertian Malaria is cause by.
*A] Plasmodium falciparum C]
Plasmodium ovale
B] Plasmodium malariae D]
Plasmodium vivax
(1) 24. The most common Malaria in the Philippines is
*A] Plasmodium falciparum C]
Plasmodium ovale
B] Plasmodium malariae D]
Plasmodium vivax
(1) 25. Produces Ziemann’s dot.
A]
Plasmodium falciparum C]
Plasmodium ovale
*B] Plasmodium malariae D]
Plasmodium vivax
(0.5) 26. Stage/s of Malaria usually found in man.
A] Gametes C]
Trophozoites
B] Schizonts *D] B & C
(0.5) 27. Malaria with the highest degree of parasitemia in man.
*A] Plasmodium falciparum C]
Plasmodium vivax
B] Plasmodium malariae D]
A & B
(1) 28. The gametocytes of the organism are described as
banana or crescent-shaped.
*A] Plasmodium falciparum C]
Plasmodium ovale
B] Plasmodium malariae D]
Plasmodium vivax
(0.5) 29. Some strains are resistance to Chloroquine or
Amodiaquine.
*A] Plasmodium falciparum C]
Plasmodium vivax
B] Plasmodium malariae D]
A & B
(0.5) 30. Opportunistic Protozoa in the stomach and intestine.
*A] Cryptosporidium parvum C]
Toxoplasma gondii
B] Pneumocystis carinii D]
A & C
(0.5) 31. Produces congenital infection in man.
A] Cryptosporidium parvum *C] Toxoplasma gondii
B] Pneumocystis carinii D]
A & C
3
MULTIPLE CHOICE QUESTIONS:
CHOOSE THE BEST ANSWER.
(0.5) 32. Produces massive diarrhea in patient with low resistance.
*A] Cryptosporidium parvum C]
Toxoplasma gondii
B] Pneumocystis carinii D]
A & C
(1) 33. Associated with hypogammaglobulinemia and respiratory
distress.
A] Cryptosporidium parvum C]
Toxoplasma gondii
*B] Pneumocystis carinii D]
A & C
(0.33) 34. The encysted larva of the organism is the infective stage to
man.
A] Capillaria philippinensis C]
Trichuris trichiura
*B] Trichinella spiralis D]
B & C
(0.5) 35. Produces rectal prolapse in heavy infection especially
among children.
A] Capillaria philippinensis *C] Trichuris trichiura
B] Trichinella spiralis D]
B & C
(0.33) 36. Produces malabsorption and cachexia in man.
*A] Capillaria philippinensis C]
Trichuris trichiura
B] Trichinella spiralis D]
A & C
(0.33) 37. The habitat is the small intestine.
A] Capillaria philippinensis C]
Trichuris trichiura
B] Trichinella spiralis *D] A & B
(0.33) 38. The female parasites may be larviparous.
A] Capillaria philippinensis C]
Trichuris trichiura
B] Trichinella spiralis *D] A & B
(0.5) 39. The infective stage to man is the embryonated egg.
A] Capillaria philippinensis *C] Trichuris trichiura
B] Trichinella spiralis D]
A & C
(0.5) 40. The parasite/s that is/are associated with fish.
*A] Capillaria philippinensis C]
Trichuris trichiura
B] Trichinella spiralis D]
A & C
(0.5) 41. There is a dead-end cycle in man.
A] Capillaria philippinensis C]
Trichuris trichiura
*B] Trichinella spiralis D]
A & C
(0.5) 42. The stool is the specimen for the diagnosis of the
infection cause by
A] Capillaria philippinensis C]
Trichuris trichiura
B] Trichinella spiralis *D] A & C
(1) 43. Bachman intradermal test & Xenodiagnosis are use
for the diagnosis of infection cause by
A] Capillaria philippinensis C]
Trichuris trichiura
*B] Trichinella spiralis D]
A & B
(0.5) 44. The habitat is the small intestine.
A] Ascaris lumbricoides C]
Trichuris trichiura
B] Necator americanus *D] A & B
(0.5) 45. Geophagia or Pica may be seen in heavy infection with
A] Ascaris lumbricoides *C] Necator americanus
B] Enterobius
vermicularis D]
Strongyloides stercoralis
(0.33) 46. The most common cause of Creeping Eruption or Cutaneous
Larva Migran.
*A] Ancylostoma braziliense C]
Strongyloides stercoralis
B] Enterobius vermicularis D]
Toxocara canis
(0.25) 47. Most frequent finding in the infection cause by the parasite
is a persistent hypereosinophilia.
A] Ancylostoma braziliense C]
Strongyloides stercoralis
B] Enterobius vermicularis *D] Toxocara canis
4
MULTIPLE CHOICE QUESTIONS:
CHOOSE THE BEST ANSWER.
(0.33) 48. The most common cause of Visceral Larva Migran.
A] Ancylostoma braziliense C]
Strongyloides stercoralis
B] Enterobius vermicularis *D] Toxocara canis
(0.33) 49. Produces autoinfection to man.
A] Ancylostoma duodenale C]
Necator americanus
B] Ascaris lumbricoides *D] Strongyloides
stercoralis
(0.5) 50. What parasite/s has a blood-lung phase in the life cycle?
A] Ascaris lumbricoides C]
Strongyloides stercoralis B] Enterobius vermicularis *D] A &C
(0.5) 51. The adults and migrating larvae are the pathogenic stages
of
A] Ascaris lumbricoides C]
Strongyloides stercoralis B] Enterobius vermicularis *D] A &C
(0.33) 52. What parasite/s may produce Loeffler’s syndrome to man?
*A] Ascaris lumbricoides C]
Gnathostoma spinigerum
B] Enterobius vermicularis D]
Trichuris trichiura
(0.33) 53. Stage/s of the parasite that may produce Loeffler’s syndrome
to man.
A] Adult *C] Larva
B] Egg D]
A & C
(0.33) 54. The usual manner of transmission by the parasite is by skin
penetration.
A] Ascaris lumbricoides C]
Strongyloides stercoralis
B] Necator americanus *D] B & C
(1) 55. What parasite produces Iron deficiency anemia to man?
A] Ascaris lumbricoides C]
Strongyloides stercoralis
*B] Necator americanus D]
Trichuris trichiura
(0.33) 56. Produces Ground itch to man.
A] Ascaris lumbricoides *C] Necator americanus
B] Enterobius vermicularis D]
Trichuris trichiura
(1) 57. Associated with Nocturnal Pruritus Ani.
A] Ascaris lumbricoides C]
Necator americanus
*B] Enterobius vermicularis D]
Trichuris trichiura
(0.5) 58.
The manner of transmission of the parasite is by ingestion of the embryonated
egg.
A] Ascaris lumbricoides C]
Trichuris trichiura
B] Strongyloides stercoralis *D] A & C
(1) 59. Graham Scotch tape technique is used for the diagnosis
of the infection cause by
A] Ascaris lumbricoides C]
Necator americanus
*B] Enterobius vermicularis D]
Trichuris trichiura
(1) 60. What parasite has an egg that is plano-convex and is
readily infective after discharged?
A] Ancylostoma duodenale *C] Enterobius vermicularis
B] Ascaris lumbricoides D]
Trichuris trichiura
(0.33) 61. The parasite has cephalic alae.
A] Ancylostoma caninum C]
Necator americanus
*B] Enterobius vermicularis D]
Toxocara canis
(0.5) 62. Produces group infection.
*A] Enterobius vermicularis C]
Toxocara cati
B] Toxocara canis D]
B & C
(0.5) 63. What parasite sucks and ingests blood?
*A] Ancylostoma duodenale C]
Enterobius vermicularis
B] Ascaris lumbricoides D]
Trichuris trichiura
5
MULTIPLE CHOICE QUESTIONS:
CHOOSE THE BEST ANSWER.
(0.25) 64. What parasite shows Tramway sign in the X-ray?
*A] Ascaris lumbricoides C]
Necator americanus
B] Enterobius vermicularis D]
Trichuris trichiura
(0.25) 65. What parasite whose migrating larvae break the pulmonary
capillaries of man?
A] Ancylostoma braziliense C]
Enterobius vermicularis
*B] Ascaris lumbricoides D]
Trichuris trichiura
(0.5) 66. Associated with mosquito.
A] Brugia malayi C]
Wuchereria bancrofti
B] Loa loa *D] A & C
(0.5) 67. Knott’s method is use to demonstrate the microfilariae
of
A] Brugia malayi C]
Wuchereria bancrofti
B] Onchocerca volvulus *D] A & C
(0.5) 68. The usual infective stage of Trematodes to man is the
A] cercariae *C] metacercariae
B] egg D]
miracidium
(1) 69. The infective stage of the parasite is found in crabs
or crayfishes.
A] Clonorchis sinensis C]
Fasciola hepatica
B] Echinostoma ilocanum *D] Paragonimus westermani
(0.25) 70. What parasite is associated with neoplasm of the biliary
duct or cancer of the liver?
*A] Clonorchis sinensis C]
Opisthorchis felineus
B] Fasciola hepatica D]
Paragonimus westermani
(1) 71. What parasite produces infection that simulates
tuberculosis?
A]
Clonorchis sinensis C]
Opisthorchis felineus
B] Fasciola
hepatica *D] Paragonimus westermani
(0.33) 72. The infective stage of what parasite is encysted in aquatic
vegetations?
A] Clonorchis sinensis C]
Echinostoma ilocanum
*B] Fasciolopsis buski D]
Paragonimus westermani
(0.33) 73. Snails are both the first and second intermediate hosts of
*A] Echinostoma ilocanum C]
Fasciola hepatica
B] Fasciola hepatica D]
Paragonimus westermani
(0.5) 74. The eggs of Paragonimus
westermani may be demonstrated from the
A] sputum C]
urine
B] stool *D] A & B
(0.5) 75. What stage of the Trematodes swims in the water?
*A] Cercariae C]
Metacercariae B] Coracidium D]
Sporocyst
(0.5) 76. What is the infective stage of Schistosoma to man?
*A] Cercariae C] Metacercariae B] Embryonated egg D]
Miracidium
(1) 77. What is the usual manner of transmission of
Schistosoma to man?
A] Arthropod vector *C] Skin penetration of the cercariae
B] Ingestion of the embryonated egg D] B & C
(1) 78. Molluscan host of Schistosoma in the Philippines is
A] Australorbis
mystax C]
Coxiella burnetii
B] Biomphalaria
alexandrina *D] Oncomelania quadrasi
(1) 79. What Schistosoma is present in the Philippines?
A] Schistosoma
haematobium C]
Schistosoma mansoni
*B] Schistosoma japonicum D]
Schistosoma mekongi
6
MULTIPLE CHOICE QUESTIONS:
CHOOSE THE BEST ANSWER.
(0.33) 80. Laboratory procedure that makes use of the egg in the test
is
A] CFT *C] COPT
B] CHR D]
Casoni test
(0.33) 81. What Schistosoma produces more severe infection to man?
A] Schistosoma
haematobium C]
Schistosoma mansoni
*B] Schistosoma japonicum D]
Schistosoma mekongi
(0.33) 82. What Schistosoma is more resistant to treatment?
A] Schistosoma
haematobium C]
Schistosoma mansoni
*B] Schistosoma japonicum D]
Schistosoma mekongi
(0.33) 83. Pipe-stem fibrosis of the liver in Schistosomiasis is due to
what stage of the parasite?
A] Adult *C] Egg B] Cercaria D]
Metacercaria
(0.33) 84. Allergic manifestations in Schistosomiasis are due to what
stage of the parasite?
*A] Adult C]
Egg B] Cercaria D]
Metacercaria
(0.33) 85. Obstructive uropathy is associated with
*A] Schistosoma haematobium C]
Schistosoma mansoni
B] Schistosoma japonicum D]
Schistosoma mekongi
(0.33) 86. What Schistosoma frequently cause Gynecological
Schistosomiasis.
*A] Schistosoma haematobium C]
Schistosoma mansoni
B] Schistosoma japonicum D]
Schistosoma mekongi
(1) 87. The region of growth in Cestodes is the
A] Scolex C]
Proglottid
*B] Neck D]
Strobila
(0.25) 88. The infective stage of Diphyllobothrium
latum to man to produce adult infection is the
A] cysticercoid larva C]
procercoid larva
B] cysticercus larva *D] sparganum larva
(0.25) 89. The most common cause of Sparganosis in Asia is
A] Diphyllobothrium latum C]
Echinococcus granulosus B] Dipylidium caninum *D] Spirometra mansoni
(0.5) 90. Bothriocephalus anemia is associated with
A] iron deficiency anemia *C] pernicious anemia B] microcytic hypochromic
cells D]
A & B
(0.5) 91. Diphyllobothrium
latum is associated with
A] cat *C] fish
B] dog D]
pig
(0.5) 92. Produces Ocular cysticercosis to man.
A] Dipylidium caninum *C] Taenia solium
B] Taenia saginata D]
B & C
(0.33) 93. Produces autoinfection in man.
A] Dipylidium caninum C]
Taenia saginata
B] Hymenolepis diminuta *D] Taenia solium
(0.5) 94. Lateral uterine branches in gravid proglottid are counted
for diagnosis of infection cause by
A] Diphyllobothrium latum C]
Hymenolepis nana
B] Dipylidium caninum *D] Taenia saginata
(1) 95. Taenia saginata
is associated with
A] cat C]
dog
*B] cattle D]
pig
7
MULTIPLE CHOICE QUESTIONS:
CHOOSE THE BEST ANSWER.
(0.33) 96. Taeniasis solium is produced after ingestion of the
A] cysticercoid larvae *C] cysticercus cellulosae
B] cysticercus bovis D]
Taenia egg
(1) 97. What parasite is associated with measly pork?
A] Diphyllobothrium latum C]
Taenia saginata
B] Dipylidium caninum *D] Taenia solium
(0.25) 98. What Cestodes does NOT need an intermediate host?
A] Dipylidium caninum C]
Hymenolepis diminuta
B] Echinococcus granulosus *D] Hymenolepis nana
(0.25) 99. The most commonly involved organ in Hydatid Disease is the
*A] liver C]
kidney
B] lungs D]
brain
(0.33) 100. Ultrasound and MRI usually help in the diagnosis of the
infection cause by
A] Dipylidium caninum C]
Hymenolepis diminuta
*B] Echinococcus granulosus D]
Hymenolepis nana
THE END
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