Recency Pathology A

Question 1

Carcinoma can originate in the:
a.Brain
b.Heart
c.Stomach
d.Bone marrow

Answer 1

Stomach

Question 2

Feline viral rhinotracheitis is caused by:
a. An adenovirus
b. A herpesvirus
c. rhinovirus
d. picornavirus

Answer 2

Herpesvirus

Question 3

Both intranuclear and intracytoplasmic inclusion bodies are found in what infection?
a.African horsesickness
b.Hog cholera
c.Canine distemper
d.Infectious canine hepatitis

Answer 3

Canine distemper

Question 4

Which cellular change is not revesible?
a.Fatty change
b.Glycogenolysis
c.Atrophy
d.Karyorrhexis

Answer 4

Karyorrhexis

Question 5

Increased vascular permeability due to bradykinin occurs mainly in:
a.Arteries and veins
b.Capillaries
c.Lymphatics
d.Venules

Answer 5

Venules

Question 6

Which disease is not characterized by vesicles?
a.Pemphigus vulgaris
b.Infectious myxomatosis of rabbits
c.Cowpox
d.Sarcoid in horses

Answer 6

Sarcoid in horses

Question 7

If a necropsy must be delayed 24 or more hours, it is best to:
a.Freeze the body
b.Maintain the body at near-normal body temperature
c.Refrigerate the body
d.Not do a necropsy

Answer 7

Refrigerate the body

Question 8

A fatal pulmonary embolus can result from:
a.Fracture of a long bone
b.A benigh neoplasm
c.Thrombocytopenia
d.Dicumarol poisoning

Answer 8

Fracture of a long bone

Question 9

Which cell type most characterizes granulomatous inflammation?
a.Fibroblast
b.Neutrophils
c.Mast cells
d.Epithelioid cells

Answer 9

Epithelioid cells

Question 10

Atrophy is characterized by:
a.Increased size of an organ or cells
b.Karyomegaly
c.Decreased size of an organ or cells
d.Karyolysis

Answer 10

asDecreased size of an organ or cells

Question 11

Red (hemorrhagic) infarcts characteristically occur in the:
a.Heart
b.Kidney
c.Lung
d.Skin

Answer 11

Lung

Question 12

Fat necrosis is characterized by formation of:
a.Calcium soaps
b.Oxalate crystals
c.Amyloid
d.Hyalin

Answer 12

Calcium soaps

Question 13

Fatty change in the liver (fatty liver) is characterized by accumulation of:
a.Cholesterol esters
b.Neutral fat
c.Lipoproteins
d.Glycolipids

Answer 13

Neutral fat

Question 14

In a tissue section of the stomach from a dog that died, you find extensive calcification of the middle one-third of the mucosa. The most likely cause of this finding is?
a.Hypovitaminosis D
b.Acute necrotizing pancreatitis
c.Chronic renal failure with uremia
d.Starvation

Answer 14

Chronic renal failure with uremia

Question 15

In an aborted bovine fetus, you observe disseminated foci of encephalitis, with small (2-3 nm) basophilic bodies in the cytoplasm of endothelial cells adjacent to the lesions. The most likely findings is:
a.Brucellosis
b.Leptospirosis
c.Sarcosporidiosis
d.Trichomoniasis

Answer 15

Sarcosporidiosis

Question 16

Globoid-cell leukodystrophy (Krabbe’s disease) results from a deficiency of:
a.Hexosaminidase enzymes
b.Beta-galactocerebrosidase
c.Alpha-glucosidase
d.Aplha-mannosidase

Answer 16

Beta-galactocerebrosidase

Question 17

Trichinella spiralis is the only metazoan parasite that:
a.Has an intracellular form
b.Can cause myositis
c.Has intestinal and tissue stages
d.Can affect multiple species

Answer 17

Has an intracellular form

Question 18

The anemia of copper deficiency results from:
a.Hemolysis
b.Reduced conversion of cyanocobalamin to its active form
c.Interference with the availability of iron for synthesis of hemoglobin
d.Shortened erythrocyte life span

Answer 18

Interference with the availability of iron for synthesis of hemoglobin

Question 19

Amyloidosis is most likely to be found in animals with:
a.Infectious canine hepatitis
b.Canine leptospirosis
c.Pasteurella multocida pneumonia
d.Tuberculosis

Answer 19

Tuberculosis

Question 20

Any of the following may be associated with hepatic necrosis in mice except:
a.Ectomelia virus
b.Mouse hepatitis virus
c.Murine cytomegalovirus
d.Murine rotavirus

Answer 20

Murine rotavirus

Question 21

A severe ill cat in Cainta, Rizal has a history of depression, fever, anorexia, mild leukocytosis and enlarged mandibular and cervical lymph nodes. You euthanize the cat. At necropsy and subsequent histopathologic examination, you identify abscesses in the affected lymph nodes. The most likely cause of these findings is:
a.Feline viral rhinotracheitis
b.Togavirus infection
c.Bubonic plague
d.Feline leukomia virus infection

Answer 21

Bubonic plague

Question 22

The lesions of canine distemper closely resemble those of:
a.Bluetongue
b.Feline panleukopenia
c.Aleutian disease
d.Rinderpest

Answer 22

Rinderpest

Question 23

Atherosclerosis (deposition of cholesterol) is not nearly as common in dogs as in people, but it may be encountered in dogs with:
a.Hypothyroidism
b.Hyperthyroidism
c.Hyperadrenocorticism
d.Hypoadrenocorticism

Answer 23

Hypothyroidism

Question 24

Ethylene glycol poisoning in cats and Halogeton gloveratus poisoning in sheep are both characterized by:
a.Urate nephrosis
b.Oxalate nephrosis
c.Centrilobular hepatic necrosis
d.Peripheral lobular hepatic necrosis

Answer 24

Oxalate nephrosis

Question 25

Multifocal hepatic necrosis in a horse is most likely to be associated with:
a.Azoturia
b.Tetanus
c.Tyzzer’s disease
d.Locoweed poisoning

Answer 25

Tyzzer’s disease

Question 26

Which lesion is most characteristic of bacillary hemoglobinuria in cattle?
a.Hepatic necrosis
b.Pulmonary embolism
c.Myocardial necrosis
d.Vesicular dermatitis

Answer 26

Hepatic necrosis

Question 27

In addition to dogs, canine distemper virus is also important cause of disease is:
a.Racoons and seals
b.Cats and rabbits
c.Ferrets and porpoise
d.Skunks and cayotes

Answer 27

Racoons and seals

Question 28

The breeds predisposed to ventricular septal defects are the:
a.Boxer and Cocker spaniel
b.Chihuahua and Pekingese
c.Great dane and Bull mastiff
d.English bulldog and Keeshond

Answer 28

English bulldog and Keeshond

Question 29

In acute inflammtion, adhesion of white blood cells to endothelial cells before their emigration depends upon:
a.Complement
b.Nonspecific receptor sites on the surface of interstitial cells
c.Specific adhesion molecules on the surface of thrombocytes and interstitial cells
d.Specific adhesion molecules on the surface of endothelial cells and leukocytes

Answer 29

Specific adhesion molecules on the surface of endothelial cells and leukocytes

Question 30

Dystrophic calcification:
a.Is seen in areas of tissue necrosis
b.Results from hypercalcemia
c.Is a frequent feature of lead poisoning
d.Results from hypocalcemia

Answer 30

Is seen in areas of tissue necrosis

Question 31

Multinucleated giant cells are common component of cellular inflammatory response in all of the following diseases except:
a.Tuberculosis in cattle
b.Interstitial pneumonia associated with distemper in dogs
c.Coccidioidomycosis in cattle
d.Strangles in horses

Answer 31

Strangles in horses

Question 32

All the following factors are present in granules of neutrophils and are important in the inflammatory process of destruction of bacterial pathogens except:
a.Myeloperoxidase
b.Complement
c.Lysozyme
d.Cationic proteins

Answer 32

Complement

Question 33

In response to histamine, fluid leaks from the vascular tree are:
a.Exclusively from aterioles
b.Exclusively from venules
c.Exclusively from capillaries
d.From both arterioles and venules

Answer 33

Exclusively from venules

Question 34

Serum aspartate aminotransferase, lactic dehydrogenase and creatine kinase activities are most likely to be increased with:
a.Hepatic necrosis
b.Renal necrosis
c.Myocardial necrosis
d.Pulmonary infarction

Answer 34

Myocardial necrosis