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12 Cards in this Set
- Front
- Back
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Which vaccine can cause a local injection site reaction?
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Strangles-routine vaccination not recommended unless endemic problem.
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Liver failure is often related to
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hemolytic crisis, RBCs become frail due to toxic metabolites in blood. usually fatal-associated with terminal stages of liver failure.
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Central acting muscle relaxant:
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Guaifenesin
MOA unknown exactly, but centrally blocks nerve impulse transmission at brain and spinal cord. Early signs of toxicity is muscle rigidity. |
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Atracurium
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Non-depolarizing neuromuscluar blocking agent-competitively inhibits binding to cholinergic recepotrs at the motor end plate.
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Succinylcholine
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depolarizing neuromuscular blocking agent.
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Potential sequela to strep equi infection or vaccination:
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Purpura hemorrhagica: is a type III hypersensitivity resulting in immune complex deposition in blood vessels and vasculitis. common findings include anemia, hyperprotenemia, hyperfibrinogenemia, hyperglobulinemia and neutrophilia. Clin signs include urticaria, edema of extremities, petechiation of mm and stiff gait.
NOT associated with prolonged PT/PTT, or thrombocytopenia. |
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Claviceps purpura is the causitive agent of:
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Ergotism. is a parasitic fungus found on rye, oats, wheat, and Kentucky bluegrass. Its toxocity comes from alkaloids causing vascular constriction, thrombosis, gangrene, and vomiting, colic diarrhea and constipation.
Dx: via identifying ergot in the grain. |
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Warfarin intoxication in horses interferes with the synthesis of which clotting factors?
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II, VII, IX, X (the vitamin K dependent factors)
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Which plant causes myelomalacia of the lower spinal cord, resulting in pelvic limb incoordination, and urine dribbling?
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Sorghum. No tx, recovery rare.
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4 yr old horse losing wt over 4 wks, yawning frequently, appears disinterested in unaware of its surroundings. Properly vaccinated against WNV, WEE/EEE, tetanus, flu, strangles, and EHV-1. TPR is normal, horse stands close to wall. What do you suspect?
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Hepatic encepalopathy.
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Group of horses is slobbering and has oral lesions:
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Vesicular stomatitis. Affects pigs, cattle, and horses. High morbidity, low mortality. Appears every 7-10 years in the southwestern US. yearly outbreaks in southern Mexico and South America. Black flies and midges appear to vector. Affected premises should be quarantined.
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Mare in anestrus 2 mo into breeding season. Rectal reveals folicles in both ovaries.
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Persistent CL. Progesterone made by the CL prevents estrus. Horse may ovulate, but is not receptive to stallions. CL not usually palpable.
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