Toxo, Q2 III

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  1. What other plants are associated with lip and jaw movements?
    • Golden rod
    • Yellow star thistle
  2. What species is most often affected by horsebrush?
    mostly sheep
  3. What is common term associated with horsebrush?
    c/s? 8
    • "bighead"
    • Hepatogenous photsensitization
    • Edema
    • Drooping ears
    • Urticaria
    • Wool loss
    • Blind
    • Recumbent
    • Abortions
  4. What part of cocklebur plant is more dangerous?
    What is the toxic principle?
    • Seedlings
    • Carboxy-atractyloside (inhibits oxidative phosphorylation)
  5. What are the sides associated with cockleburs? 7
    • Anorexia
    • Reluctance to move
    • HGE
    • Black feces
    • Spasms
    • Blindness
    • Paralysis
  6. What is suggested Tx for cockleburs?
    • Oily laxatives (early)
    • Milk or fats
    • Anticholinesterates like neostigmine
  7. what is toxic principle of hound's tongue?
    pyrrolizidine alkaloid
  8. is hound's tongue acute or delayed onset?
    Lag time to effect/delayed

    • Hepatic encephalopathy/Photosensitization
    • Stomatitis
    • Hemoglobinuria
  9. what is toxic principle of tarweed and comfrey?
    pyrrolizidine alkaloids
  10. what family does tarweed, comfrey, and hound's tongue belong to?
  11. what climate supports rapid growth of brassica spp.?
    cooler weather
  12. what is toxic principle for brassica?
    • Glycosides
    • Thiocyanates
    • S-methyl cysteine sulfoxide
    • Tryptophan
  13. what respiratory problem is associated with brassica?
    "Fog Fever" after being on lush pasture for 7-10 days
  14. which species is mostly affected by brassica
    C/S? 4
    • Ruminants
    • Fog Fever
    • Hemoglobinuria
    • Hemolytic anemia
    • Bloat
  15. what is cause of polioencephalomalacia with brassica?
    sulfur toxicosis
  16. what is treatment for Brassica?
    • no antidote
    • +/- slow methylene blue for hemolysis
  17. what is the common term for tansy mustard? C/S? 4
    • "Paralyzed Tongue"
    • Blindness (early sign)
    • Tongue paralysis
    • Head bobbing
    • Tremors
  18. what is treatment for tansy mustard?
  19. what is toxic principle for marijuana?
  20. what signs are associated with marijuana?
    • CNS depression/Locomotor signs
    • Vomiting
  21. What species is affected by greasewood?

    What is the toxic principle?

    • Oxalate signs
    • Depression
    • Hypocalcemia
    • Death w/in 12-20 hrs
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Toxo, Q2 III

Toxo, Q2 III
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