Quiz: Parasitology

Cysticercus cellulosae is

A a- Larval stage of T. saginata. B b- Larval stage of T.solium. C c- Cystic larval stage D d- May affect the eye.

Cysticercus cellulosae is

A a- hydatid T. saginata. B b- Larval stage of T.solium C c- solid larval stage. D d- May affect the kidney

The following protozoa can affect the brain, except

A a. E histolytica. B b. Giardia lamblia C C-Acanthamoeba D d. Naeglaria fowleri

The of Naegleria fowleri reach its habitat through

A a The blood B b The olfactory nerve. C c The lymphatic system. D d- non of the above

Naegleria fowleri infection is diagnosed by

A a. Blood film B b. Stool examination C c. CSF examination. D d. None of the above.

Naegleria fowleri is

A a Permanent parasite of man. B b. Free living amoeba accidentally pathogenic. C c. Non pathogenic D d Found in running water stream.

Acanthamoeba species cause

A a. Chronic granulomatus meningoencephalitis. B b. Keratitis C c. Granuloma of internal organs. D d. All of the above.

The habitat of Acanthamoeba in humans may be in

A a -Brain and eyes B b- Skin C c- Lung. D d- genitor-urinary tract

Cerebral malaria don't include

A a) Severe headache B b) Drowsiness C c) Confusion D d) Neuralgia.

Primary Amoebic Meningoencephalitis (PAM) is caused by

A a) Naegleria fowleri B b) Acanthamoeba species C c) Toxoplasma gondii D d) Entamoeba histolytica

Granulomatous Amoebic Encephalitis (GAE) is caused by

A a) Naegleria fowleri B b) Acanthamoeba species C c) Toxoplasma gondii D d) Entamoeba histolytica

The following protozoan can't affect the brain

A a) Naeglerina fowleri B b) Acanthamoeba species C c) Toxoplasma gondii D d) Plasmodium falciparum

Morula cells of Mott are diagnostic to

A a- Primary amoebic menengio-encephalitis (PAM). B b- Trypanosoma cruzi infection C c- Trypanosoma brucei infection. D d- Plasmodium falciparum encephalitis

Infection with Trypanosoma brucei occure throught bitting by

A A-Stable fly B B-House fly C C-Tsetse fly D D-Sand fly

Trypanosomal chancre results from infection by

A A-T .b . rhodesiense B B-Leishmania braziliensis C C-Naegleria fowleri D D-Trichomonas vaginalis

Morula cell of Mott are modified plasma cells they present in C. S. F of patients infected by

A A-Malaria B B-Chronic sleeping sickness C C-Vesceral leishmaniasis D D-Toxoplasmosi

African trypanosomiasis is transmitted by

A a Tse tse fly B b-Black fly C c-sand fly D d stable fly

Late stages of sleeping sickness are best treated by

A a) Pentamidine. B b) Metronidazole. C c) Primaquine D d) Tryparsamide

Early stages of sleeping sickness is best treated by

A a- Pentamidine. B b- Metronidazole. C c- Primaquine. D d- Chloroquine

A thin blood film should be done for diagnosing infection of

A a) Leishmania tropica. B b) Trypanosoma b. rhodesiense. C c) Naegleria fowleri. D d) Extra-intestinal Entameba histolytica

Oocyst of Toxoplasma is found in

A a.Human tissue B b.Brain of chronic patients C c.Faeces of infected cats. D d.All of the above.

Toxoplasma gondii is transmitted to human by

A a.Ingestion of vegetable contaminated by oocyst from stool of cats B b.Ingestion of cyst in undercooked meat. C c.Congenital transmission from mother with acute toxoplasmosis D d.All of the above.

Regarding toxoplasmosis in humans

A a.Become active in immune_compromised patients. B b.Infction coud be transmitted from mother to fetus. C c.Associated with cats. D d.All of the above.

Recent Toxoplasma infection is indicated by

A a.Increasing IgG titre. B b.Positive IgM and IgA C c.All of the above. D d- non of the above

Parasites not found in lymph node

A a.polymorphic trypanosomes B b.leshmania donovani. C c.lshmania tropica. D d- all of the above

Toxoplasmosis shoud be excluded in which of the following condition

A a.Before pregnancy. B b.Immunosupresive condition C c.Before anti cancerous therapy. D d.all of the above.

The most important manifestation of toxoplasmosis in immunocompromised subjects is

A a) Encephalitis B b) Liver abscess C c) Lung abscess D d) Bone marrow depression

the diagnostic stage of the following parasite(s) may be detected in human stool exept

A a. E.histolytica. B b.cryptosporidium. C c.toxoplasma gondii D d.Giardia lamblia

Definitive host of toxoplasma gondii is

A a.cat B b.man C c.pig D d.none of the above

Intermediate host of toxoplasma gpndii is

A a.cat B b.man C c- fish D d- dog

Oocyst of toxoplasma is found in

A a.brain B b.faeces of cat C c.liver D d.lung

Oocyst of toxoplasma is found in

A a.human faeces B b.chronic infection C c.feaces of cat D d.none of the above

Pseudocyst of toxoplasma is found in

A a.feaces of cat B b.stool of man C c.acute infection D d.saliva of cat

Congenetal toxoplasmosis is characterized by the following exept

A a.gastrointestinal manifestation B b.abortion C c.C.N.S manifestation D d.eye manifestation

Sabin Feldman dye test become positive when the organism

A a.blue stained B b.unstained C c.orange stained D d.none of the above

the presence of IgM in toxoplasmosis indicates

A a.acute infection B b.chronic infection C c.congenital infection D d.none of the above

Poliomyelitis virus can be transmitted two human beings through

A A.Blood transfusion B B.Through placenta C C.Contaminated food, drink, or hands D D.Airborne transmission

Sabin live attenuated virus vaccine of poliomyelitis is given through

A A. Two drops in the oropharynx B B. Intramuscular injection C C. Intravenous injection D D. Oral tablets

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