Large animal plants

alikeil1
Quiz by , created over 5 years ago

tox final

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alikeil1
Created by alikeil1 over 5 years ago
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Question 1

Question
It is fall in VA, and a cattle farmer calls you concerned because one of his cows is having a seizure, and two others began acting strangely yesterday. He has not made any recent changes to their feed, but they are free to roam his 20 acres of pasture. You go over to investigate, and find the two of the affected cows to have a nystagmus and all of them are exhibiting a hypermetric gate (goose-stepping). You take a look around the property and notice a tree with yellow flowers, palmately compound leaves and large, brown seeds that one of the cows is showing interest in. Based on this, and the clinical signs, you conclude that this must be:
Answer
  • Buckeye toxicosis
  • oak toxicity
  • red maple toxicosis
  • black walnut toxicosis

Question 2

Question
How might you treat the cows you saw at this farm?
Answer
  • activated charcoal and saline cathartic
  • acepromazine
  • IV fluids
  • propylene glycol
  • PO electolytes

Question 3

Question
Which of the following species are generally resistant to oak toxicity?
Answer
  • goats
  • sheep
  • deer
  • cattle
  • horses

Question 4

Question
Which toxic trees are correctly matched with their toxic compound?
Answer
  • oak-aesculin
  • oak-gallic acid
  • red maple-asceritannin
  • red maple-aesculin

Question 5

Question
Which of these toxic trees can lead to laminitis?
Answer
  • black walnut
  • red maple
  • oak
  • buckeye

Question 6

Question
It is spring in Oregon and you are called out to examine some cattle that have fallen sick over the course of about a week. Some have black tarry stool, a few have ventral edema and nasal discharge and all of them seem lethargic. The farmer reports that one of the cows seemed very thirsty yesterday, and died in a stream on the property while drinking. The cow had seemed to be having difficulty breathing prior to this. You perform a necropsy on the cow and note perirenal edema and a hydrothorax. What do you think this cow may have eaten?
Answer
  • red maple
  • oak
  • black walnut
  • buckeye

Question 7

Question
Slaked lime supplemented as 10% of a concentrate feed would have been a good preventitive measure for the cow that you found perirenal edema in on post mortem.
Answer
  • True
  • False

Question 8

Question
A horse falls ill after eating shaving from its bedding. What tree may be to blame?
Answer
  • oak
  • black walnut
  • buckeye
  • red maple

Question 9

Question
The leaves and bark of black walnut trees are toxic to horses on pasture.
Answer
  • True
  • False

Question 10

Question
Treatment of clinical signs with an alpha blocker (prazosin), and/or a calcium channel blocker (nifedipine) and bute, flunixin or torbutrol would be appropriate for toxicosis from which tree?
Answer
  • red maple
  • oak
  • black walnut
  • buckeye

Question 11

Question
What parts of the red maple tree can cause toxicity if ingested?
Answer
  • bark
  • wilted leaves
  • fresh leaves
  • flowers
  • seeds

Question 12

Question
What toxic tree might you associate these clin path abnormalities with? Low PCV, hemoglobinuria, heinz bodies anemia, 10-40% methemoglobin, increased AST and SDH and azotemia
Answer
  • oak
  • red maple
  • buckeye
  • black walnut

Question 13

Question
What would you use to treat the methemoglobin?
Answer
  • ascorbic acid
  • succimer
  • iron dextran
  • calcium EDTA