Zagazig University, Faculty of Veterinary Medicine, Dept of Pathology.
(General pathology B) Subject code:
Veterinary Pathological Exam June 23, 2010 – Class III Time allowed = 2 hours.
Please answer the following questions:
Section A
(12.5 marks)
I-Choose the correct answer (tabulate your answer): (4 marks) 1-Necropsy findings of white spotted, slightly swollen kidneys would be MOST consistent with a-Interstitial nephritis b- Pyelonephritis c-Nephrosis d-Embolic nephritis 2-A biopsy demonstrates the presence of columnar epithelium with numerous goblet cells. Which of the following mucosal alterations is most likely represented by these findings? a-Dysplasia b-Hyperplasia c-Carcinoma d-Metaplasia 3- Severe inflammation of the skin resulting in thick laminated crust formation, pyoderma, paint brush hair and secondary infections in a mare, is characteristic of a-Dermatophilosis b-Mange c-Dermatophytosis d-Impetigo 4-The primary pathological lesion produced by Brucella abortus among pregnant cow is a-Orchitis b-Urethral rupture c-Epididymitis d-Necrotic placentitis 5-One of the following types of pneumonia is in accordance to the anatomical classification a-Gangrenous b- Lobar c- Catarrhal d-Embolic 6-A telangiectasis is a a-Hematoma b-Cavernous hemangioma c-Dilated Sinusoids d-Secondary tumor 7-A drought horse suffering from spasmodic cough and double expiratory effort besides heave-line in the abdominal muscles is MOST likely to have: a-Atelectasis b-Bronchopneumonia c-Splenized lung d-Chronic alveolar emphysema 8-Epithelial crescents are characteristic for a-Interstitial nephritis b-Proliferative glomerulonephritis c-Hydronephrosis d-All 9-A genetic female, born co-twin with a male has severe hypoplasia of the genital tract and become sterile, is. a-Freemartins b-Hermaphrodite c-Uterine torsion d-Cystic hyperplasia 10-the increase in the thickening of the epidermis due to an increase in the thickening of the stratum corneum is a-Acanthosis b-Spongiosis c-Hyperkeratosis d-Ballooning degeneration 11-Proto-oncogenes, in themselves, are not oncogenic and require activation by a-Mutation b-Translocations c-Amplification d-All 12-Inhaled medication into the lung could induce a-Interstitial pneumonia b-Gangrenous pneumonia c-Fetalization d-Adenomatosis 13-The fibroma could be distinguished from leiomyoma by the stain of a-Prussian blue b-Oil red O c-Van Gieson d-Fontana silver 14-Thelitis means inflammation of a-Teat b-mammary gland c-Thalamus d-Trachea 15-Interstitial nephritis in dog is usually due to a-Staph b-Immune complex c-Leptospirosis d-Coryne renale 16-The most consistent changes in lymph nodes sheared ewe with pseudotuberculosis is a-Lymphoid hyperplasia b-Caseous necrosis c-Hemorrhages d-Amyloidosis 17-Most chemical carcinogens produce cancer through: a-Initiation and Promotion b-ras-family c-Chronic irritation d-All
II-State the name usually given to each of the following diseases in domestic animals: (3.5 marks) a-Formation of stony precipitate in anywhere of the urinary passages. b-A malignant tumor of cartilage. c-Narrowing of the bronchial lumen. d-Herniation of the uterus
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e-Erosion and ulceration produced by self trauma. f-Accumulation of pus in renal pelvis and extend to the surrounding tissue. g-A benign tumor of blood vessel endothelium. h-Hemorrhage from the nose. i-Abnormal accumulation of fluid in tunica vaginalis in scrotum. j-Thickening and hardening of the skin with exaggeration of its normal markings. k-Lumpy bumpy appearance in the glomerular capillaries. l-Decrease the size of the organ before the puberty. m-The flattened alveolar epithelium became cuboidal after long standing pneumonia. n-Excessive granulation tissue formation in the stump of the spermatic cord following castration. o-The bone marrow become jelly-like structure.
III-Please, match the correct answer with (I) from (II): (3 marks) I A-Immune-complex nephritis is usually B-Nymphomania is a sequela of C-Epithelial pearls would be MOST consistent with D-In the myelocytic leukemia, the lymph nodes E-The campylobacter infects the ewe through F-Chylothorax means G-The secondary tumor of carcinoma is primary found in H-Embolic nephritis is suppurative and focally replaced I-The dermal collagen undergo J-The cytological characters of anaplasia include K-Chronic bronchitis is characterized by L-Actinomyces pyogenes causes M-Unilateral obstruction of the ureter induces
II 1-The cortical blood vessels 2-Hydronephrosis 3-Regional lymph nodes 4-Less than 8 multinucleated giant cells 5-Destruction of smooth muscle and elastic fibers 6-Squamous cell carcinoma 7-Necrotizing suppurative galactophoritis 8-Glomerular nephritis 9-Accumulation of lymph in this cavity 10-Ovarian follicular cyst 11-Not involved 12-Hyalinization and mineralization 13-Ingestion of contaminated food
IV-Mark (true or false) and correct the false statements: (2 marks) 1-Hyperkeratosis is thickening of the epidermis due to an increase in the thickening of the stratum corium ( ) 2-Nephrosis means inflammatory condition in the nephron …..…………………………………….….… ( ) 3-Anomalies mean disturbance in development that involved several organs and cause great distortion of the individual………………………………………...………………………………… ………………..... ( ) 4-Partial bronchial obstruction could induce atelectasis; while the complete obstructed one induces emphysema………………………………………………………………….…………… ........................ ( ) 5-All malignant tumors are encapsulated except the basal-cell carcinoma………………….……..……… ( ) 6-Schirrus cord is chronic inflammation of spermatic cord…….……………- ...………………………… ( ) 7-Dermatophilosis is a superficial pyoderma caused by the actinomycete, Dermatophilus congolensis.…...( )
Section B
(12.5 marks)
I-Interpretate the following: (7.5 marks) 1-The lesions of “Uremia” in dogs. 2-The spread of neoplasms. 3-The lesions and stages of “Fibrinous pneumonia” 4-Microscopic pictures of chronic catarrhal endometritis. 5-The lesions of dermatophytosis in young animals.
II-Discuss 2 main differences between the following: (5 marks) 1-Atrophy and hypoplasia. 3-Interstitial and pyelo-nephritis 5-Acute and chronic alveolar emphysema
2-Superficial and deep pyoderma. 4-Closed and open pyometra
With Best Wishes 2