7. Faculty of Medicine- Alexandria University
Third year (IUMP) - 1st Semester
End Semester Exam
GIT System
Date: 15/7/ 2013 Time allowed: 125 minutes
Total marks: 55 marks All questions to be answered
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1. Enumerate origin and branches of the superior mesenteric artery? (3 marks)
2. Discuss parotid gland regarding its relations and lymphatic drainage. (3 marks)
3. Describe the ischiorectal fossa as regard its boundaries and contents. (3 marks)
4. Give the embryological origin of anal canal and two of its congenital
anomalies. (3 marks)
5. List the complications of:
a. Colonic diverticulosis. (3 marks)
b. H. pylori type of chronic gastritis. (3 marks)
6. Enumerate the etiological factors of the hepatocellular carcinoma. (3 marks)
7. Discuss the regulation of pancreatic secretion. (5 marks)
8. Discuss four factors affecting intestinal absorption. (4 marks)
9. Give short account about poliovirus vaccinations. (3marks)
10.Outline the laboratory diagnosis of H.pylori infection. (2.5 marks)
11.Illustrate different mechanisms that are common between glucose and
amino acids absorption. (1.5 marks)
12.Differentiate between Bisacodyl, lactulose and Glycerin suppository,
regarding: (3 marks)
a. Their mechanism of action.
b. Onset of inducing bowel motion.
13.Recommend one drug for each of the following conditions: (1.5 mark)
a. Treatment of erosive esophagitis.
b. Induction of remission in severe ulcerative colitis
8. c. Symptomatic control of diarrhea in adults
14.Mention the most probable diagnosis, infective stages and the mode of infection
for the following conditions: ( 3 marks)
a- A 45 year-old man from the Far East complaining of voluminous diarrhoea with watery
stools, abdominal distension and oedema.
b- A 26 year-old man was asked for routine stool analysis before working in a restaurant. The
lab reported the presence of a rounded protozoa cyst with four nuclei.
15.Differentiate between: (2 marks)
a. Oocyst of Isospora belli and Cryptospridia
b. Cyst of one pathogenic and one commensal amoeba
16.Give reason: (2 marks)
a. Mental retardation in Ancylostomiasis.
b. Malabsorption occurs with Giardia lamblia infection.
17.Where can you find the following parasitic stages: ( 2marks)
a. Cysticercoid larvae of Hymenolepis nana
b. Adult worms of Schistosoma mansoni
18.Examine the figure of the digestive tube and answer the following questions: (2
marks)
a. Identify the junction in the figure.
b. What is the type of epithelial coverings at sites 1& 2?
c. At site 2, the submucosa fuses with the corium
below the level of ………………………
d. The internal sphincter at site 2 is made up by
…………….
19.Tabulate three light microscopic differences between the serous & mucous acini
of the salivary glands.
(1.5 marks)
20.Describe histologically the surfaces of a hepatocyte. (1 mark)
1
2
