ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
GRADED A++
21. In sheep, obstruction of small bile ducts by birefringent crystals occurs with
intoxication by:
A. Hairy vetch (Vicia villosa)
B. Klein grass (Paicum co/oratun)
C. Bracken fern (Pteridiun aquilinum)
D. Poison hemlock (Conium maculatum)
E. St. John's wort (Hypericum perforatum)
21. D
Straw, et al. Diseases of Swine, p. 240, 1999
10. Ovine white liver disease is caused by a dietary deficiencies in vitamin B12
and:
A. Cobalt
B. Cesium
C. Copper
D. Cadmium
E. Chromium
, 10. A: Thomson's Special Veterinary Pathology, 3rd ed., pp. 93
24. Fibrinous cholecystitis in calves is pathopneumonic for infection with:
A. Adenovirus
B. Salmonella sp.
C. Escherichia coli
D. Bovine herpesvirus type 1
E. Clostridium perfringens type C
24. B: Thomson's Special Veterinary Pathology, 3rd ed., p.45
12. The causative agent of bacillary hemoglobinuria in cattle is:
A. Fasciola hepatica
B. Clostridium novyi (type B)
C. Clostridium hemolyticum
D. Leptospira grippotyphosa
E. Clostridium piliformis
12. C: Thomson's, p. 104
13. Fibrinous cholecystitis in calves is most consistent with infection by:
A. Rotavirus
B. Escherichia coli
C. Clostridium piliformis
D. Cryptosporidium parvum
E. Salmonella enteritidis, serotype Dublin
13. E: Thomson's, p. 117