Prof. Dr. Mohamed Hegab

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30 Marks

6 Questions

Each question 5 Marks

What are the mechanisms of disease transmission by arthropods?

Mention its types with examples

Mention five parasiticdiseases could be trnsmitted by Musca domestica.

Outline the control measures for Musca.

Why Plasmodium falciparum cause malignant malaria?

Mention itscomplications.

Classify clinical types of cutaneous and mucocutaneousleishmaniasis

and name the causative parasite.

Enumerate helminthes that are transmitted by autoinfection.

Mention the infective stage, the diagnostic stage, and the definitive host for each of them.

What is the parasitic cause and mode of human infection of the following :

a. Primary amebic meningeoencephalitis.

b. Miners anaemia (Egyptian chlorosis).

c. Chagoma.

d. Calabar swelling.

e. Tropical pulmonary esinophilia.

45 Marks

A) Clinical Cases: 10 Marks

B) MCQ Single Answer: 15 Marks

C) True or False: 10 Marks

D) Matching: 10 Marks

10 Marks

2 cases

Each case 5 Marks

A 70 years old diabetic female under cytotoxic drugs treatment started to complain of diarrhea with fuel smell. She visited her doctor who ordered stool analysis, it revealed the presence of pear shaped flagellated trophozitessized 15 x 8 . Also, there was an increased fat content of the stool but neither mucous nor blood was existing.

A) What is your provisional diagnosis for that patient?

B) What is the expected complication that might occur for such patient?

C) What is the drug of choice for treating this patient?

D) Mention other four opportunistic parasites.

A 43- years old farmer visited his physician for routine physical examination. His Physician noted an enlarged liver with a palpable mass in the right hypochondrium. He asked for stool examination and it was negative for all parasites. His blood showed slight eosinophilia. Abdominal sonography revealed a cyst about 6 cm in diameter in his right lobe of the liver. Aspiration of the fluid of the cyst revealed some scolices.

A) What is your provisional diagnosis?

B) Mention the infective stage and mode(s) of infection?

C) Can this patient pass the disease to other member of his family and why?

D) What are the most important other sites in the body that can be affected by such a cyst?

Answer in Answer Sheet (Red)

Mark Circle Well.

First of All: Write down your name, number and form of exam (A,B,C,D or E).

Choose One single answer for each of the following questions

Each question 1 Mark Only

Ancylostoma deudenaleAmebic liver abcess

Giardiasis

Amebic carrier

Ancylostoma deudenaleAmebic liver abcess

Giardiasis

Amebic carrier

Schistosoma mansoniinfection.

Fasciola hepatica infection.Fasciola gigentica infection.Schistosoma haematobiuminfection.

Schistosoma mansoniinfection.

Fasciola hepatica infection.Fasciola gigentica infection.Schistosoma haematobiuminfection.

Loa loa.Wuchereria bancrofti.Onchocerca volvulus.

Wuchereria malayi.

Loa loa.Wuchereria bancrofti.Onchocerca volvulus.

Wuchereria malayi.

Detection of egg in patient's stool.

Detection of worm in patient's stool.

Detection of both the egg and the whole worm in patient's stool.

Detection of metacercaria in patient's stool.

Detection of egg in patient's stool.

Detection of worm in patient's stool.

Detection of both the egg and the whole worm in patient's stool.

Detection of metacercaria in patient's stool.

Ancylostoma.Ascaris.Entameba histolytica.

W. bancrofti.

Ancylostoma.Ascaris.Entameba histolytica.

W. bancrofti.

Naegleria fowleriToxoplasma gondiiToxocara cati

Taenia solium

Naegleria fowleriToxoplasma gondiiToxocara cati

Taenia solium

Ceratophyllus fasciatus

Ctenocephalides canisCtenocephalides felis

Tunga penetrans

Ceratophyllus fasciatus

Ctenocephalides canisCtenocephalides felis

Tunga penetrans

Transmitting Babesia

Causing scabies

Transmitting yellow fever

Transmitting Rift Valley Fever

Transmitting Babesia

Causing scabies

Transmitting yellow fever

Transmitting Rift Valley Fever

Bladder wall hyperplasia.

Pulmonary embolism.

Hepatosplenomegaly.

Cardiac abnormalities.

Bladder wall hyperplasia.

Pulmonary embolism.

Hepatosplenomegaly.

Cardiac abnormalities.

Ingestion of metacercaria in undercooked crap or cray fish.

Ingestion of encysted metacercaria on aquatic plants.

Penetration of the cercaria to the human skin.

Ingestion of undercooked cattle meat.

Ingestion of metacercaria in undercooked crap or cray fish.

Ingestion of encysted metacercaria on aquatic plants.

Penetration of the cercaria to the human skin.

Ingestion of undercooked cattle meat.

Man.

Dog.

Cat.

Sheep.

Man.

Dog.

Cat.

Sheep.

Small intestine.

Bile duct.

Lung tissue.

Large intestine.

Small intestine.

Bile duct.

Lung tissue.

Large intestine.

Frog.

Snake.

Man.

Cyclops.

Frog.

Snake.

Man.

Cyclops.

Small intestine.

Bile duct.

Retiuloendothelial cells.

Large intestine.

Small intestine.

Bile duct.

Retiuloendothelial cells.

Large intestine.

A)Bile duct.

B) Skin.

C)Liver tissue.

D)Lung tissue.

A)Bile duct.

B) Skin.

C)Liver tissue.

D)Lung tissue.

10 Marks

10 Questions

Each question 1 mark only

If true mark circle A. If false mark circle B

16- Scotch adhesive tape is used for diagnosis of infection with Enterobiusvermicularis.

16- Scotch adhesive tape is used for diagnosis of infection with Enterobiusvermicularis.

(True = A)

17- Leishmaniasis is transmitted through the bite of Tse tse fly.

17- Leishmaniasis is transmitted through the bite of Tse tse fly.

(True = A)

18- Diagnosis of Heterophyesheterophyes infection depends on detection of eggs in sputum.

18- Diagnosis of Heterophyesheterophyes infection depends on detection of eggs in sputum.

(False = B)

19- The main extra-intestinal site for Entamoeba histolytica is the liver.

19- The main extra-intestinal site for Entamoeba histolytica is the liver.

(True = A)

20- Malaria is transmitted through the bite of male Anopheles mosquito.

20- Malaria is transmitted through the bite of male Anopheles mosquito.

(False = B)

21- Musca domestica can mechanically transmit Entamoeba hitolytica.

21- Musca domestica can mechanically transmit Entamoeba hitolytica.

(True = A)

22- False fascioliasis is due to ingestion of encysted metacercaria on water plants.

22- False fascioliasis is due to ingestion of encysted metacercaria on water plants.

(False = B)

23- Schistosoma mansoniis one of the opportunistic parasites.

23- Schistosoma mansoniis one of the opportunistic parasites.

(False = B)

24- Sand fly is responsible for scabies.

24- Sand fly is responsible for scabies.

(False = B)

25- Toxoplasma gondii is one of intestinal coccidian protozon parasites in human.

25- Toxoplasma gondii is one of intestinal coccidian protozon parasites in human.

(False = B)

Matching has separate area in the answer sheet (Lower part)

Matching has separate numbering in the answer sheet

10 Marks

Each point 1 Mark only

Match each disease (syndrome) with its causative parasite

1Liver rot A Schistosoma mansoni

2 Katayama fever B Sarcoptes scabiei

3Hydatid disease C Leishmania donovani

4Coenourosis D Ancylostoma caninum

5Tropical splenomegaly syndrome

E Wuchereria bancrofti

6Black fever F Fasciola gigantica

7Elephantiasis G Plasmodium malaria

8

Primary amoebic meningeoencephalitis

H

Echinococcusgranulosus

9 Cutaneous larva migrans I Multiceps multiceps

10Scabies J Naegleria fowleri

1Liver rot F

Fasciola gigantica

2 Katayama fever ASchistosoma mansoni

3Hydatid disease H

Echinococcus granulosus

4Coenourosis I

Multiceps multiceps

5Tropical splenomegaly syndrome

G Plasmodium malaria

6Black fever C Leishmania donovani

7Elephantiasis E Wuchereria bancrofti

8

Primary amoebic meningeoencephalitis

J

Naegleria fowleri

9 Cutaneous larva migrans D Ancylostoma caninum

10Scabies B Sarcoptes scabiei