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Learn about different parasitic infections, symptoms, diagnostic methods, and management strategies. Identify endemic threats and examination styles. Helpful for medical students preparing for exams.
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The best:1(=175),8,3,10,5,4( =89)The worse:9 (=16),2,7,6(=35) 1. Erratic parasite is: a) A parasite living in an unusual host. b) A mass seen in the sample that could be mistaken for a parasite. c) A parasite living in the unusual habitat. d) A non pathogenic species that has passed through the alimentary tract.
9- Citizens of the following places are threatened by endemic infection of Onchocerca volvulus: a) Tropical Africa. b) Yemen. c) South Africa. d) South America.
It creeps outside the anus by itself: a) Mature segment of Taenia saginata. b) Gravid segment of Taenia saginata. c) Gravid segment of Taenia solium. d) Gravid segment of Enterobius vermicularis.
7- Infection of the following parasites may be associated with dysentery: a) Plasmodium falciparum. b) Leishmania donovani. c) Balantidium coli. d) Cryptosporidium parvum.
In Giardiasis: a) Infection is caused by quadrinucleated cyst. b) Main symptom is dysentry. c) thick blood film is needed to confirm diagnosis. d) Affects mainly children.
10. A thin blood film should be done for diagnosing infection of: a) Leishmania tropica. b) Trypanosoma b. rhodesiense. c) Naegleria fowleri. d) Extra-intestinal Entameba histolytica.
Style of exam. • Design: * Q for knowledge. * Q for intellectual skills.
Answer the following questions illustrated with diagrams as possible: 1- What are the symptoms (2), possible complications (2), methods of diagnosis and management (6) of Enterobiasis[10]. 2- Enumerate the complications of prolonged Urinary schistosomiasis. [5] Describe the evasion mechanisms of schistosoma in the body. [5] 3- Enumerate 5 protozoa that may cause skin lesions (2.5). Write the lesions they cause (5), diagnostic stage (2.5) and diagnostic measures used for each (10). [20] 4- Enumerate 5 diseases caused by mites(2.5) and their causative organisms (2.5) [5] 5- Write the symptoms, diagnostic stage, diagnostic methods, infective stage and mode of infection caused by each of the following: [13] a- Taenia saginata.(2.5) B- Hymenolepis nana.(3.5) C- plasmodium falciparum (7).
7- Write the medical importance of the following: [7] a- Genus Culex (2.5) b- Ctenocephalidea canis (2) c- Kato thick smear technique (2.5) 8- An Egyptian mother came to the outpatient clinic in Sohag with her child (2 years of age) who showed lethargy, weight loss, intermittent diarrhea, with no dysentery, faecal specimen was found to be offensive, frothy by the naked eye. What is the closest parasitic infection that may cause such a picture? (2), methods of diagnosis? (6) and advice to be given to the mother?(2) [10]. Note: Be sure of your answer, as adding wrong answers to the correct ones will make you lose degrees accordingly. Good luck
1- Write the vector(1), infective stage (1), diagnostic stage (1) and diagnosis (2) of the African sleeping sickness.[5] 2- What are the parasites that could be detected by the Macroscopic examination of the fecal specimen. [5] 3- Enumerate 5 helminthes that may cause anaemia to their host (2.5). Write the type of anaemia they cause (2.5), diagnostic stage (2.5) and diagnostic measures used for each (7.5). [15] 4- Define myiasis (2), and write its classifications with examples (10). [12] 5- Enumerate 3 protozoa that may cause diarrhea to their host (3). Write the method of infection (3), diagnostic stage (s) (3) and diagnostic measures used for each (6). [15]
6-Write the infective stage, mode of infection, symptoms, of and diagnostic methods of Plasmodium vivax. [5]. 7- Write the medical importance of the following: [8] a- Genus Cyclops (4). b- Genus Aedes (4). 8- An Egyptian mother came to the school health clinic in Sohag with her child who was complaining of resistant Pruritus ani, restlessness, nocturnal enuresis, The mother also mentioned whitish tiny worms in her child's feces. What is the closest parasitic infection that may cause such a picture? (2), methods of diagnosis? (4) and advice to be given to the mother?(4) [10].
لا تنسى أن الله خالق كل شيء و هو على كل شيء قدير. • و لاتنسى أنك مسئول عن علمك, وعن عملك, وعن دينك.
فاذا أحسنا فبنعمة من الله نحمده عليها, • و ان أسأنا فبظلم من أنفسنا نستغفر الله الغفور منه. و سامحونا جزاكم الله خيرا.
